diff --git a/apps/server/package.json b/apps/server/package.json
index bbba5b10..14d91a29 100644
--- a/apps/server/package.json
+++ b/apps/server/package.json
@@ -38,6 +38,7 @@
     "@erp/customers": "workspace:*",
     "@erp/customer-invoices": "workspace:*",
     "@erp/factuges": "workspace:*",
+    "@erp/suppliers": "workspace:*",
     "@repo/rdx-logger": "workspace:*",
     "@repo/rdx-utils": "workspace:*",
     "bcrypt": "^5.1.1",
diff --git a/apps/server/src/register-modules.ts b/apps/server/src/register-modules.ts
index d09c85e7..4edc28b5 100644
--- a/apps/server/src/register-modules.ts
+++ b/apps/server/src/register-modules.ts
@@ -1,6 +1,7 @@
 import customerInvoicesAPIModule from "@erp/customer-invoices/api";
 import customersAPIModule from "@erp/customers/api";
 import factuGESAPIModule from "@erp/factuges/api";
+import suppliersAPIModule from "@erp/suppliers/api";
 
 import { registerModule } from "./lib";
 
@@ -9,4 +10,5 @@ export const registerModules = () => {
   registerModule(customersAPIModule);
   registerModule(customerInvoicesAPIModule);
   registerModule(factuGESAPIModule);
+  registerModule(suppliersAPIModule);
 };
diff --git a/modules/supplier/package.json b/modules/supplier/package.json
new file mode 100644
index 00000000..ec254afb
--- /dev/null
+++ b/modules/supplier/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "@erp/suppliers",
+  "description": "Suppliers",
+  "version": "0.5.0",
+  "private": true,
+  "type": "module",
+  "sideEffects": false,
+  "scripts": {
+    "typecheck": "tsc -p tsconfig.json --noEmit",
+    "clean": "rimraf .turbo node_modules dist"
+  },
+  "exports": {
+    ".": "./src/common/index.ts",
+    "./common": "./src/common/index.ts",
+    "./api": "./src/api/index.ts"
+  },
+  "devDependencies": {
+    "@types/express": "^4.17.21",
+    "typescript": "^5.9.3"
+  },
+  "dependencies": {
+    "@erp/auth": "workspace:*",
+    "@erp/core": "workspace:*",
+    "@repo/i18next": "workspace:*",
+    "@repo/rdx-criteria": "workspace:*",
+    "@repo/rdx-ddd": "workspace:*",
+    "@repo/rdx-logger": "workspace:*",
+    "@repo/rdx-utils": "workspace:*",
+    "express": "^4.18.2",
+    "sequelize": "^6.37.5",
+    "zod": "^4.1.11"
+  }
+}
\ No newline at end of file
diff --git a/modules/supplier/src/api/application/di/index.ts b/modules/supplier/src/api/application/di/index.ts
new file mode 100644
index 00000000..946b8110
--- /dev/null
+++ b/modules/supplier/src/api/application/di/index.ts
@@ -0,0 +1,6 @@
+export * from "./supplier-creator.di";
+export * from "./supplier-finder.di";
+export * from "./supplier-input-mappers.di";
+export * from "./supplier-snapshot-builders.di";
+export * from "./supplier-updater.di";
+export * from "./supplier-use-cases.di";
diff --git a/modules/supplier/src/api/application/di/supplier-creator.di.ts b/modules/supplier/src/api/application/di/supplier-creator.di.ts
new file mode 100644
index 00000000..ff2a2a15
--- /dev/null
+++ b/modules/supplier/src/api/application/di/supplier-creator.di.ts
@@ -0,0 +1,12 @@
+import type { ISupplierRepository } from "../repositories";
+import { type ISupplierCreator, SupplierCreator } from "../services";
+
+export const buildSupplierCreator = (params: {
+  repository: ISupplierRepository;
+}): ISupplierCreator => {
+  const { repository } = params;
+
+  return new SupplierCreator({
+    repository,
+  });
+};
diff --git a/modules/supplier/src/api/application/di/supplier-finder.di.ts b/modules/supplier/src/api/application/di/supplier-finder.di.ts
new file mode 100644
index 00000000..152a858e
--- /dev/null
+++ b/modules/supplier/src/api/application/di/supplier-finder.di.ts
@@ -0,0 +1,8 @@
+import type { ISupplierRepository } from "../repositories";
+import { type ISupplierFinder, SupplierFinder } from "../services";
+
+export function buildSupplierFinder(params: { repository: ISupplierRepository }): ISupplierFinder {
+  const { repository } = params;
+
+  return new SupplierFinder(repository);
+}
diff --git a/modules/supplier/src/api/application/di/supplier-input-mappers.di.ts b/modules/supplier/src/api/application/di/supplier-input-mappers.di.ts
new file mode 100644
index 00000000..c6944591
--- /dev/null
+++ b/modules/supplier/src/api/application/di/supplier-input-mappers.di.ts
@@ -0,0 +1,26 @@
+import type { ICatalogs } from "@erp/core/api";
+
+import {
+  CreateSupplierInputMapper,
+  type ICreateSupplierInputMapper,
+  type IUpdateSupplierInputMapper,
+  UpdateSupplierInputMapper,
+} from "../mappers";
+
+export interface ISupplierInputMappers {
+  createInputMapper: ICreateSupplierInputMapper;
+  updateInputMapper: IUpdateSupplierInputMapper;
+}
+
+export const buildSupplierInputMappers = (catalogs: ICatalogs): ISupplierInputMappers => {
+  const { taxCatalog } = catalogs;
+
+  // Mappers el DTO a las props validadas (SupplierProps) y luego construir agregado
+  const createInputMapper = new CreateSupplierInputMapper({ taxCatalog });
+  const updateInputMapper = new UpdateSupplierInputMapper();
+
+  return {
+    createInputMapper,
+    updateInputMapper,
+  };
+};
diff --git a/modules/supplier/src/api/application/di/supplier-snapshot-builders.di.ts b/modules/supplier/src/api/application/di/supplier-snapshot-builders.di.ts
new file mode 100644
index 00000000..7a698bd9
--- /dev/null
+++ b/modules/supplier/src/api/application/di/supplier-snapshot-builders.di.ts
@@ -0,0 +1,11 @@
+import { SupplierFullSnapshotBuilder, SupplierSummarySnapshotBuilder } from "../snapshot-builders";
+
+export function buildSupplierSnapshotBuilders() {
+  const fullSnapshotBuilder = new SupplierFullSnapshotBuilder();
+  const summarySnapshotBuilder = new SupplierSummarySnapshotBuilder();
+
+  return {
+    full: fullSnapshotBuilder,
+    summary: summarySnapshotBuilder,
+  };
+}
diff --git a/modules/supplier/src/api/application/di/supplier-updater.di.ts b/modules/supplier/src/api/application/di/supplier-updater.di.ts
new file mode 100644
index 00000000..96b1abef
--- /dev/null
+++ b/modules/supplier/src/api/application/di/supplier-updater.di.ts
@@ -0,0 +1,12 @@
+import type { ISupplierRepository } from "../repositories";
+import { type ISupplierUpdater, SupplierUpdater } from "../services";
+
+export const buildSupplierUpdater = (params: {
+  repository: ISupplierRepository;
+}): ISupplierUpdater => {
+  const { repository } = params;
+
+  return new SupplierUpdater({
+    repository,
+  });
+};
diff --git a/modules/supplier/src/api/application/di/supplier-use-cases.di.ts b/modules/supplier/src/api/application/di/supplier-use-cases.di.ts
new file mode 100644
index 00000000..b1ab6061
--- /dev/null
+++ b/modules/supplier/src/api/application/di/supplier-use-cases.di.ts
@@ -0,0 +1,95 @@
+import type { ITransactionManager } from "@erp/core/api";
+
+import type { ICreateSupplierInputMapper, IUpdateSupplierInputMapper } from "../mappers";
+import type { ISupplierCreator, ISupplierFinder, ISupplierUpdater } from "../services";
+import type {
+  ISupplierFullSnapshotBuilder,
+  ISupplierSummarySnapshotBuilder,
+} from "../snapshot-builders";
+import {
+  CreateSupplierUseCase,
+  GetSupplierByIdUseCase,
+  ListSuppliersUseCase,
+  UpdateSupplierUseCase,
+} from "../use-cases";
+
+export function buildGetSupplierByIdUseCase(deps: {
+  finder: ISupplierFinder;
+  fullSnapshotBuilder: ISupplierFullSnapshotBuilder;
+  transactionManager: ITransactionManager;
+}) {
+  return new GetSupplierByIdUseCase(deps.finder, deps.fullSnapshotBuilder, deps.transactionManager);
+}
+
+export function buildListSuppliersUseCase(deps: {
+  finder: ISupplierFinder;
+  summarySnapshotBuilder: ISupplierSummarySnapshotBuilder;
+  transactionManager: ITransactionManager;
+}) {
+  return new ListSuppliersUseCase(
+    deps.finder,
+    deps.summarySnapshotBuilder,
+    deps.transactionManager
+  );
+}
+
+export function buildCreateSupplierUseCase(deps: {
+  creator: ISupplierCreator;
+  dtoMapper: ICreateSupplierInputMapper;
+  fullSnapshotBuilder: ISupplierFullSnapshotBuilder;
+  transactionManager: ITransactionManager;
+}) {
+  return new CreateSupplierUseCase({
+    dtoMapper: deps.dtoMapper,
+    creator: deps.creator,
+    fullSnapshotBuilder: deps.fullSnapshotBuilder,
+    transactionManager: deps.transactionManager,
+  });
+}
+
+export function buildUpdateSupplierUseCase(deps: {
+  updater: ISupplierUpdater;
+  dtoMapper: IUpdateSupplierInputMapper;
+  fullSnapshotBuilder: ISupplierFullSnapshotBuilder;
+  transactionManager: ITransactionManager;
+}) {
+  return new UpdateSupplierUseCase({
+    dtoMapper: deps.dtoMapper,
+    updater: deps.updater,
+    fullSnapshotBuilder: deps.fullSnapshotBuilder,
+    transactionManager: deps.transactionManager,
+  });
+}
+
+/*export function buildReportSupplierUseCase(deps: {
+  finder: ISupplierFinder;
+  fullSnapshotBuilder: ISupplierFullSnapshotBuilder;
+  reportSnapshotBuilder: ISupplierReportSnapshotBuilder;
+  documentService: SupplierDocumentGeneratorService;
+  transactionManager: ITransactionManager;
+}) {
+  return new ReportSupplierUseCase(
+    deps.finder,
+    deps.fullSnapshotBuilder,
+    deps.reportSnapshotBuilder,
+    deps.documentService,
+    deps.transactionManager
+  );
+}*/
+
+/*
+
+export function buildDeleteSupplierUseCase(deps: { finder: ISupplierFinder }) {
+  return new DeleteSupplierUseCase(deps.finder);
+}
+
+export function buildIssueSupplierUseCase(deps: { finder: ISupplierFinder }) {
+  return new IssueSupplierUseCase(deps.finder);
+}
+
+export function buildChangeStatusSupplierUseCase(deps: {
+  finder: ISupplierFinder;
+  transactionManager: ITransactionManager;
+}) {
+  return new ChangeStatusSupplierUseCase(deps.finder, deps.transactionManager);
+}*/
diff --git a/modules/supplier/src/api/application/index.ts b/modules/supplier/src/api/application/index.ts
new file mode 100644
index 00000000..21fd64a4
--- /dev/null
+++ b/modules/supplier/src/api/application/index.ts
@@ -0,0 +1,6 @@
+export * from "./di";
+export * from "./models";
+export * from "./repositories";
+export * from "./services";
+export * from "./snapshot-builders";
+export * from "./use-cases";
diff --git a/modules/supplier/src/api/application/mappers/create-supplier-input.mapper.ts b/modules/supplier/src/api/application/mappers/create-supplier-input.mapper.ts
new file mode 100644
index 00000000..92c8dc0b
--- /dev/null
+++ b/modules/supplier/src/api/application/mappers/create-supplier-input.mapper.ts
@@ -0,0 +1,217 @@
+import type { JsonTaxCatalogProvider } from "@erp/core";
+import {
+  City,
+  Country,
+  CurrencyCode,
+  DomainError,
+  EmailAddress,
+  LanguageCode,
+  Name,
+  PhoneNumber,
+  type PostalAddressProps,
+  PostalCode,
+  Province,
+  Street,
+  TINNumber,
+  URLAddress,
+  UniqueID,
+  ValidationErrorCollection,
+  type ValidationErrorDetail,
+  extractOrPushError,
+  maybeFromNullableResult,
+} from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import type { CreateSupplierRequestDTO } from "../../../common";
+import { type ISupplierCreateProps, SupplierStatus } from "../../domain";
+
+export interface ICreateSupplierInputMapper {
+  map(
+    dto: CreateSupplierRequestDTO,
+    params: { companyId: UniqueID }
+  ): Result<{ id: UniqueID; props: ISupplierCreateProps }>;
+}
+
+export class CreateSupplierInputMapper implements ICreateSupplierInputMapper {
+  private readonly taxCatalog: JsonTaxCatalogProvider;
+
+  constructor(params: { taxCatalog: JsonTaxCatalogProvider }) {
+    this.taxCatalog = params.taxCatalog;
+  }
+
+  public map(
+    dto: CreateSupplierRequestDTO,
+    params: { companyId: UniqueID }
+  ): Result<{ id: UniqueID; props: ISupplierCreateProps }> {
+    try {
+      const errors: ValidationErrorDetail[] = [];
+      const { companyId } = params;
+
+      const supplierId = extractOrPushError(UniqueID.create(dto.id), "id", errors);
+
+      const status = SupplierStatus.active();
+      const isCompany = dto.is_company === "true";
+
+      const reference = extractOrPushError(
+        maybeFromNullableResult(dto.reference, (value) => Name.create(value)),
+        "reference",
+        errors
+      );
+
+      const name = extractOrPushError(Name.create(dto.name), "name", errors);
+
+      const tradeName = extractOrPushError(
+        maybeFromNullableResult(dto.trade_name, (value) => Name.create(value)),
+        "trade_name",
+        errors
+      );
+
+      const tinNumber = extractOrPushError(
+        maybeFromNullableResult(dto.tin, (value) => TINNumber.create(value)),
+        "tin",
+        errors
+      );
+
+      const street = extractOrPushError(
+        maybeFromNullableResult(dto.street, (value) => Street.create(value)),
+        "street",
+        errors
+      );
+
+      const street2 = extractOrPushError(
+        maybeFromNullableResult(dto.street2, (value) => Street.create(value)),
+        "street2",
+        errors
+      );
+
+      const city = extractOrPushError(
+        maybeFromNullableResult(dto.city, (value) => City.create(value)),
+        "city",
+        errors
+      );
+
+      const province = extractOrPushError(
+        maybeFromNullableResult(dto.province, (value) => Province.create(value)),
+        "province",
+        errors
+      );
+
+      const postalCode = extractOrPushError(
+        maybeFromNullableResult(dto.postal_code, (value) => PostalCode.create(value)),
+        "postal_code",
+        errors
+      );
+
+      const country = extractOrPushError(
+        maybeFromNullableResult(dto.country, (value) => Country.create(value)),
+        "country",
+        errors
+      );
+
+      const primaryEmailAddress = extractOrPushError(
+        maybeFromNullableResult(dto.email_primary, (value) => EmailAddress.create(value)),
+        "email_primary",
+        errors
+      );
+
+      const secondaryEmailAddress = extractOrPushError(
+        maybeFromNullableResult(dto.email_secondary, (value) => EmailAddress.create(value)),
+        "email_secondary",
+        errors
+      );
+
+      const primaryPhoneNumber = extractOrPushError(
+        maybeFromNullableResult(dto.phone_primary, (value) => PhoneNumber.create(value)),
+        "phone_primary",
+        errors
+      );
+
+      const secondaryPhoneNumber = extractOrPushError(
+        maybeFromNullableResult(dto.phone_secondary, (value) => PhoneNumber.create(value)),
+        "phone_secondary",
+        errors
+      );
+
+      const primaryMobileNumber = extractOrPushError(
+        maybeFromNullableResult(dto.mobile_primary, (value) => PhoneNumber.create(value)),
+        "mobile_primary",
+        errors
+      );
+
+      const secondaryMobileNumber = extractOrPushError(
+        maybeFromNullableResult(dto.mobile_secondary, (value) => PhoneNumber.create(value)),
+        "mobile_secondary",
+        errors
+      );
+
+      const faxNumber = extractOrPushError(
+        maybeFromNullableResult(dto.fax, (value) => PhoneNumber.create(value)),
+        "fax",
+        errors
+      );
+
+      const website = extractOrPushError(
+        maybeFromNullableResult(dto.website, (value) => URLAddress.create(value)),
+        "website",
+        errors
+      );
+
+      const languageCode = extractOrPushError(
+        LanguageCode.create(dto.language_code),
+        "language_code",
+        errors
+      );
+
+      const currencyCode = extractOrPushError(
+        CurrencyCode.create(dto.currency_code),
+        "currency_code",
+        errors
+      );
+
+      if (errors.length > 0) {
+        return Result.fail(new ValidationErrorCollection("Supplier props mapping failed", errors));
+      }
+
+      const postalAddressProps: PostalAddressProps = {
+        street: street!,
+        street2: street2!,
+        city: city!,
+        postalCode: postalCode!,
+        province: province!,
+        country: country!,
+      };
+
+      const supplierProps: ISupplierCreateProps = {
+        companyId,
+        status: status!,
+        reference: reference!,
+
+        isCompany: isCompany,
+        name: name!,
+        tradeName: tradeName!,
+        tin: tinNumber!,
+
+        address: postalAddressProps!,
+
+        emailPrimary: primaryEmailAddress!,
+        emailSecondary: secondaryEmailAddress!,
+
+        phonePrimary: primaryPhoneNumber!,
+        phoneSecondary: secondaryPhoneNumber!,
+
+        mobilePrimary: primaryMobileNumber!,
+        mobileSecondary: secondaryMobileNumber!,
+
+        fax: faxNumber!,
+        website: website!,
+
+        languageCode: languageCode!,
+        currencyCode: currencyCode!,
+      };
+
+      return Result.ok({ id: supplierId!, props: supplierProps });
+    } catch (err: unknown) {
+      return Result.fail(new DomainError("Supplier props mapping failed", { cause: err }));
+    }
+  }
+}
diff --git a/modules/supplier/src/api/application/mappers/index.ts b/modules/supplier/src/api/application/mappers/index.ts
new file mode 100644
index 00000000..1012e0d0
--- /dev/null
+++ b/modules/supplier/src/api/application/mappers/index.ts
@@ -0,0 +1,2 @@
+export * from "./create-supplier-input.mapper";
+export * from "./update-supplier-input.mapper";
diff --git a/modules/supplier/src/api/application/mappers/update-supplier-input.mapper.ts b/modules/supplier/src/api/application/mappers/update-supplier-input.mapper.ts
new file mode 100644
index 00000000..6472590c
--- /dev/null
+++ b/modules/supplier/src/api/application/mappers/update-supplier-input.mapper.ts
@@ -0,0 +1,262 @@
+import {
+  City,
+  Country,
+  CurrencyCode,
+  DomainError,
+  EmailAddress,
+  LanguageCode,
+  Name,
+  PhoneNumber,
+  type PostalAddressPatchProps,
+  PostalCode,
+  Province,
+  Street,
+  TINNumber,
+  URLAddress,
+  type UniqueID,
+  ValidationErrorCollection,
+  type ValidationErrorDetail,
+  extractOrPushError,
+  maybeFromNullableResult,
+} from "@repo/rdx-ddd";
+import { Result, isNullishOrEmpty, toPatchField } from "@repo/rdx-utils";
+
+import type { UpdateSupplierByIdRequestDTO } from "../../../common";
+import type { SupplierPatchProps } from "../../domain";
+
+/**
+ * UpdateSupplierInputMapper
+ * Convierte el DTO a las props validadas (SupplierProps).
+ * No construye directamente el agregado.
+ * Tri-estado:
+ *  - campo omitido → no se cambia
+ *  - campo con valor null/"" → se quita el valor -> set(None()),
+ *  - campo con valor no-vacío → se pone el nuevo valor -> set(Some(VO)).
+ *
+ * @param dto - DTO con los datos a cambiar en el cliente
+ * @returns Cambios en las propiedades del cliente
+ *
+ */
+
+export interface IUpdateSupplierInputMapper {
+  map(
+    dto: UpdateSupplierByIdRequestDTO,
+    params: { companyId: UniqueID }
+  ): Result<SupplierPatchProps>;
+}
+
+export class UpdateSupplierInputMapper implements IUpdateSupplierInputMapper {
+  public map(dto: UpdateSupplierByIdRequestDTO, params: { companyId: UniqueID }) {
+    try {
+      const errors: ValidationErrorDetail[] = [];
+      const supplierPatchProps: SupplierPatchProps = {};
+
+      toPatchField(dto.reference).ifSet((reference) => {
+        supplierPatchProps.reference = extractOrPushError(
+          maybeFromNullableResult(reference, (value) => Name.create(value)),
+          "reference",
+          errors
+        );
+      });
+
+      toPatchField(dto.is_company).ifSet((is_company) => {
+        if (isNullishOrEmpty(is_company)) {
+          errors.push({ path: "is_company", message: "is_company cannot be empty" });
+          return;
+        }
+        supplierPatchProps.isCompany = extractOrPushError(
+          Result.ok(Boolean(is_company!)),
+          "is_company",
+          errors
+        );
+      });
+
+      toPatchField(dto.name).ifSet((name) => {
+        if (isNullishOrEmpty(name)) {
+          errors.push({ path: "name", message: "Name cannot be empty" });
+          return;
+        }
+        supplierPatchProps.name = extractOrPushError(Name.create(name!), "name", errors);
+      });
+
+      toPatchField(dto.trade_name).ifSet((trade_name) => {
+        supplierPatchProps.tradeName = extractOrPushError(
+          maybeFromNullableResult(trade_name, (value) => Name.create(value)),
+          "trade_name",
+          errors
+        );
+      });
+
+      toPatchField(dto.tin).ifSet((tin) => {
+        supplierPatchProps.tin = extractOrPushError(
+          maybeFromNullableResult(tin, (value) => TINNumber.create(value)),
+          "tin",
+          errors
+        );
+      });
+
+      toPatchField(dto.email_primary).ifSet((email_primary) => {
+        supplierPatchProps.emailPrimary = extractOrPushError(
+          maybeFromNullableResult(email_primary, (value) => EmailAddress.create(value)),
+          "email_primary",
+          errors
+        );
+      });
+
+      toPatchField(dto.email_secondary).ifSet((email_secondary) => {
+        supplierPatchProps.emailSecondary = extractOrPushError(
+          maybeFromNullableResult(email_secondary, (value) => EmailAddress.create(value)),
+          "email_secondary",
+          errors
+        );
+      });
+
+      toPatchField(dto.mobile_primary).ifSet((mobile_primary) => {
+        supplierPatchProps.mobilePrimary = extractOrPushError(
+          maybeFromNullableResult(mobile_primary, (value) => PhoneNumber.create(value)),
+          "mobile_primary",
+          errors
+        );
+      });
+
+      toPatchField(dto.mobile_secondary).ifSet((mobile_secondary) => {
+        supplierPatchProps.mobilePrimary = extractOrPushError(
+          maybeFromNullableResult(mobile_secondary, (value) => PhoneNumber.create(value)),
+          "mobile_secondary",
+          errors
+        );
+      });
+
+      toPatchField(dto.phone_primary).ifSet((phone_primary) => {
+        supplierPatchProps.phonePrimary = extractOrPushError(
+          maybeFromNullableResult(phone_primary, (value) => PhoneNumber.create(value)),
+          "phone_primary",
+          errors
+        );
+      });
+
+      toPatchField(dto.phone_secondary).ifSet((phone_secondary) => {
+        supplierPatchProps.phoneSecondary = extractOrPushError(
+          maybeFromNullableResult(phone_secondary, (value) => PhoneNumber.create(value)),
+          "phone_secondary",
+          errors
+        );
+      });
+
+      toPatchField(dto.fax).ifSet((fax) => {
+        supplierPatchProps.fax = extractOrPushError(
+          maybeFromNullableResult(fax, (value) => PhoneNumber.create(value)),
+          "fax",
+          errors
+        );
+      });
+
+      toPatchField(dto.website).ifSet((website) => {
+        supplierPatchProps.website = extractOrPushError(
+          maybeFromNullableResult(website, (value) => URLAddress.create(value)),
+          "website",
+          errors
+        );
+      });
+
+      toPatchField(dto.language_code).ifSet((languageCode) => {
+        if (isNullishOrEmpty(languageCode)) {
+          errors.push({ path: "language_code", message: "Language code cannot be empty" });
+          return;
+        }
+
+        supplierPatchProps.languageCode = extractOrPushError(
+          LanguageCode.create(languageCode!),
+          "language_code",
+          errors
+        );
+      });
+
+      toPatchField(dto.currency_code).ifSet((currencyCode) => {
+        if (isNullishOrEmpty(currencyCode)) {
+          errors.push({ path: "currency_code", message: "Currency code cannot be empty" });
+          return;
+        }
+
+        supplierPatchProps.currencyCode = extractOrPushError(
+          CurrencyCode.create(currencyCode!),
+          "currency_code",
+          errors
+        );
+      });
+
+      // PostalAddress
+      const addressPatchProps = this.mapPostalAddress(dto, errors);
+      if (addressPatchProps) {
+        supplierPatchProps.address = addressPatchProps;
+      }
+
+      if (errors.length > 0) {
+        return Result.fail(
+          new ValidationErrorCollection("Supplier props mapping failed (update)", errors)
+        );
+      }
+
+      return Result.ok(supplierPatchProps);
+    } catch (err: unknown) {
+      return Result.fail(new DomainError("Supplier props mapping failed", { cause: err }));
+    }
+  }
+
+  public mapPostalAddress(
+    dto: UpdateSupplierByIdRequestDTO,
+    errors: ValidationErrorDetail[]
+  ): PostalAddressPatchProps | undefined {
+    const postalAddressPatchProps: PostalAddressPatchProps = {};
+
+    toPatchField(dto.street).ifSet((street) => {
+      postalAddressPatchProps.street = extractOrPushError(
+        maybeFromNullableResult(street, (value) => Street.create(value)),
+        "street",
+        errors
+      );
+    });
+
+    toPatchField(dto.street2).ifSet((street2) => {
+      postalAddressPatchProps.street2 = extractOrPushError(
+        maybeFromNullableResult(street2, (value) => Street.create(value)),
+        "street2",
+        errors
+      );
+    });
+
+    toPatchField(dto.city).ifSet((city) => {
+      postalAddressPatchProps.city = extractOrPushError(
+        maybeFromNullableResult(city, (value) => City.create(value)),
+        "city",
+        errors
+      );
+    });
+
+    toPatchField(dto.province).ifSet((province) => {
+      postalAddressPatchProps.province = extractOrPushError(
+        maybeFromNullableResult(province, (value) => Province.create(value)),
+        "province",
+        errors
+      );
+    });
+
+    toPatchField(dto.postal_code).ifSet((postalCode) => {
+      postalAddressPatchProps.postalCode = extractOrPushError(
+        maybeFromNullableResult(postalCode, (value) => PostalCode.create(value)),
+        "postal_code",
+        errors
+      );
+    });
+
+    toPatchField(dto.country).ifSet((country) => {
+      postalAddressPatchProps.country = extractOrPushError(
+        maybeFromNullableResult(country, (value) => Country.create(value)),
+        "country",
+        errors
+      );
+    });
+
+    return Object.keys(postalAddressPatchProps).length > 0 ? postalAddressPatchProps : undefined;
+  }
+}
diff --git a/modules/supplier/src/api/application/models/index.ts b/modules/supplier/src/api/application/models/index.ts
new file mode 100644
index 00000000..98127709
--- /dev/null
+++ b/modules/supplier/src/api/application/models/index.ts
@@ -0,0 +1 @@
+export * from "./supplier-summary";
diff --git a/modules/supplier/src/api/application/models/supplier-summary.ts b/modules/supplier/src/api/application/models/supplier-summary.ts
new file mode 100644
index 00000000..2e1d78aa
--- /dev/null
+++ b/modules/supplier/src/api/application/models/supplier-summary.ts
@@ -0,0 +1,39 @@
+import type {
+  CurrencyCode,
+  EmailAddress,
+  LanguageCode,
+  Name,
+  PhoneNumber,
+  PostalAddress,
+  TINNumber,
+  URLAddress,
+  UniqueID,
+} from "@repo/rdx-ddd";
+import type { Maybe } from "@repo/rdx-utils";
+
+export type SupplierSummary = {
+  id: UniqueID;
+  companyId: UniqueID;
+  isActive: boolean;
+  reference: Maybe<Name>;
+
+  isCompany: boolean;
+  name: Name;
+  tradeName: Maybe<Name>;
+  tin: Maybe<TINNumber>;
+
+  address: PostalAddress;
+
+  emailPrimary: Maybe<EmailAddress>;
+  emailSecondary: Maybe<EmailAddress>;
+  phonePrimary: Maybe<PhoneNumber>;
+  phoneSecondary: Maybe<PhoneNumber>;
+  mobilePrimary: Maybe<PhoneNumber>;
+  mobileSecondary: Maybe<PhoneNumber>;
+
+  fax: Maybe<PhoneNumber>;
+  website: Maybe<URLAddress>;
+
+  languageCode: LanguageCode;
+  currencyCode: CurrencyCode;
+};
diff --git a/modules/supplier/src/api/application/repositories/index.ts b/modules/supplier/src/api/application/repositories/index.ts
new file mode 100644
index 00000000..8b61f9e1
--- /dev/null
+++ b/modules/supplier/src/api/application/repositories/index.ts
@@ -0,0 +1 @@
+export * from './supplier-repository.interface';
diff --git a/modules/supplier/src/api/application/repositories/supplier-repository.interface.ts b/modules/supplier/src/api/application/repositories/supplier-repository.interface.ts
new file mode 100644
index 00000000..2e083583
--- /dev/null
+++ b/modules/supplier/src/api/application/repositories/supplier-repository.interface.ts
@@ -0,0 +1,82 @@
+import type { Criteria } from "@repo/rdx-criteria/server";
+import type { TINNumber, UniqueID } from "@repo/rdx-ddd";
+import type { Collection, Result } from "@repo/rdx-utils";
+
+import type { Supplier } from "../../domain/aggregates";
+import type { SupplierSummary } from "../models";
+
+/**
+ * Interfaz del repositorio para el agregado `Supplier`.
+ * El escopado multitenant está representado por `companyId`.
+ */
+export interface ISupplierRepository {
+  /**
+   *
+   * Crea un nuevo proveedor
+   *
+   * @param supplier - El proveedor nuevo a guardar.
+   * @param transaction - Transacción activa para la operación.
+   * @returns Result<void, Error>
+   */
+  create(supplier: Supplier, transaction: unknown): Promise<Result<void, Error>>;
+
+  /**
+   * Actualiza un proveedor existente.
+   *
+   * @param supplier - El proveedor a actualizar.
+   * @param transaction - Transacción activa para la operación.
+   * @returns Result<void, Error>
+   */
+  update(supplier: Supplier, transaction: unknown): Promise<Result<void, Error>>;
+
+  /**
+   * Comprueba si existe un Supplier con un `id` dentro de una `company`.
+   */
+  existsByIdInCompany(
+    companyId: UniqueID,
+    id: UniqueID,
+    transaction: unknown
+  ): Promise<Result<boolean, Error>>;
+
+  /**
+   * Recupera un Supplier por su ID y companyId.
+   * Devuelve un `NotFoundError` si no se encuentra.
+   */
+  getByIdInCompany(
+    companyId: UniqueID,
+    id: UniqueID,
+    transaction: unknown
+  ): Promise<Result<Supplier, Error>>;
+
+  /**
+   * Recupera un Supplier por su TIN y companyId.
+   * Devuelve un `NotFoundError` si no se encuentra.
+   */
+  getByTINInCompany(
+    companyId: UniqueID,
+    tin: TINNumber,
+    transaction?: unknown
+  ): Promise<Result<Supplier, Error>>;
+
+  /**
+   * Recupera múltiples suppliers dentro de una empresa
+   * según un criterio dinámico (búsqueda, paginación, etc.).
+   * El resultado está encapsulado en un objeto `Collection<T>`.
+   */
+  findByCriteriaInCompany(
+    companyId: UniqueID,
+    criteria: Criteria,
+    transaction: unknown
+  ): Promise<Result<Collection<SupplierSummary>, Error>>;
+
+  /**
+   * Elimina un Supplier por su ID, dentro de una empresa.
+   * Retorna `void` si se elimina correctamente, o `NotFoundError` si no existía.
+   *
+   */
+  deleteByIdInCompany(
+    companyId: UniqueID,
+    id: UniqueID,
+    transaction: unknown
+  ): Promise<Result<boolean, Error>>;
+}
diff --git a/modules/supplier/src/api/application/services/index.ts b/modules/supplier/src/api/application/services/index.ts
new file mode 100644
index 00000000..b73a5e84
--- /dev/null
+++ b/modules/supplier/src/api/application/services/index.ts
@@ -0,0 +1,4 @@
+export * from "./supplier-creator.service";
+export * from "./supplier-finder.service";
+export * from "./supplier-public-services.interface";
+export * from "./supplier-updater.service";
diff --git a/modules/supplier/src/api/application/services/supplier-creator.service.ts b/modules/supplier/src/api/application/services/supplier-creator.service.ts
new file mode 100644
index 00000000..0f214f1c
--- /dev/null
+++ b/modules/supplier/src/api/application/services/supplier-creator.service.ts
@@ -0,0 +1,70 @@
+import { DuplicateEntityError } from "@erp/core/api";
+import type { UniqueID } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import { type ISupplierCreateProps, Supplier } from "../../domain";
+import type { ISupplierRepository } from "../repositories";
+import { SupplierNotExistsInCompanySpecification } from "../specs";
+
+export interface ISupplierCreator {
+  create(params: {
+    companyId: UniqueID;
+    id: UniqueID;
+    props: ISupplierCreateProps;
+    unknown: unknown;
+  }): Promise<Result<Supplier, Error>>;
+}
+
+type SupplierCreatorDeps = {
+  repository: ISupplierRepository;
+};
+
+export class SupplierCreator implements ISupplierCreator {
+  private readonly repository: ISupplierRepository;
+
+  constructor(deps: SupplierCreatorDeps) {
+    this.repository = deps.repository;
+  }
+
+  async create(params: {
+    companyId: UniqueID;
+    id: UniqueID;
+    props: ISupplierCreateProps;
+    unknown: unknown;
+  }): Promise<Result<Supplier, Error>> {
+    const { companyId, id, props, unknown } = params;
+
+    // 1. Verificar unicidad
+    const spec = new SupplierNotExistsInCompanySpecification(this.repository, companyId, unknown);
+
+    const isNew = await spec.isSatisfiedBy(id);
+
+    if (!isNew) {
+      return Result.fail(new DuplicateEntityError("Supplier", "id", String(id)));
+    }
+
+    // 2. Crear agregado
+    const createResult = Supplier.create(
+      {
+        ...props,
+        companyId,
+      },
+      id
+    );
+
+    if (createResult.isFailure) {
+      return createResult;
+    }
+
+    const newSupplier = createResult.data;
+
+    // 3. Persistir agregado
+    const saveResult = await this.repository.create(newSupplier, unknown);
+
+    if (saveResult.isFailure) {
+      return Result.fail(saveResult.error);
+    }
+
+    return Result.ok(newSupplier);
+  }
+}
diff --git a/modules/supplier/src/api/application/services/supplier-finder.service.ts b/modules/supplier/src/api/application/services/supplier-finder.service.ts
new file mode 100644
index 00000000..5996eeb9
--- /dev/null
+++ b/modules/supplier/src/api/application/services/supplier-finder.service.ts
@@ -0,0 +1,69 @@
+import type { Criteria } from "@repo/rdx-criteria/server";
+import type { TINNumber, UniqueID } from "@repo/rdx-ddd";
+import type { Collection, Result } from "@repo/rdx-utils";
+
+import type { Supplier } from "../../domain";
+import type { SupplierSummary } from "../models";
+import type { ISupplierRepository } from "../repositories";
+
+export interface ISupplierFinder {
+  findSupplierById(
+    companyId: UniqueID,
+    supplierId: UniqueID,
+    unknown?: unknown
+  ): Promise<Result<Supplier, Error>>;
+
+  findSupplierByTIN(
+    companyId: UniqueID,
+    tin: TINNumber,
+    unknown?: unknown
+  ): Promise<Result<Supplier, Error>>;
+
+  supplierExists(
+    companyId: UniqueID,
+    invoiceId: UniqueID,
+    unknown?: unknown
+  ): Promise<Result<boolean, Error>>;
+
+  findSuppliersByCriteria(
+    companyId: UniqueID,
+    criteria: Criteria,
+    unknown?: unknown
+  ): Promise<Result<Collection<SupplierSummary>, Error>>;
+}
+
+export class SupplierFinder implements ISupplierFinder {
+  constructor(private readonly repository: ISupplierRepository) {}
+
+  async findSupplierById(
+    companyId: UniqueID,
+    supplierId: UniqueID,
+    unknown?: unknown
+  ): Promise<Result<Supplier, Error>> {
+    return this.repository.getByIdInCompany(companyId, supplierId, unknown);
+  }
+
+  findSupplierByTIN(
+    companyId: UniqueID,
+    tin: TINNumber,
+    unknown?: unknown
+  ): Promise<Result<Supplier, Error>> {
+    return this.repository.getByTINInCompany(companyId, tin, unknown);
+  }
+
+  async supplierExists(
+    companyId: UniqueID,
+    supplierId: UniqueID,
+    unknown?: unknown
+  ): Promise<Result<boolean, Error>> {
+    return this.repository.existsByIdInCompany(companyId, supplierId, unknown);
+  }
+
+  async findSuppliersByCriteria(
+    companyId: UniqueID,
+    criteria: Criteria,
+    unknown?: unknown
+  ): Promise<Result<Collection<SupplierSummary>, Error>> {
+    return this.repository.findByCriteriaInCompany(companyId, criteria, unknown);
+  }
+}
diff --git a/modules/supplier/src/api/application/services/supplier-public-services.interface.ts b/modules/supplier/src/api/application/services/supplier-public-services.interface.ts
new file mode 100644
index 00000000..2938ad31
--- /dev/null
+++ b/modules/supplier/src/api/application/services/supplier-public-services.interface.ts
@@ -0,0 +1,22 @@
+import type { TINNumber, UniqueID } from "@repo/rdx-ddd";
+import type { Result } from "@repo/rdx-utils";
+
+import type { ISupplierCreateProps, Supplier } from "../../domain";
+
+export interface ISupplierServicesContext {
+  transaction: unknown;
+  companyId: UniqueID;
+}
+
+export interface ISupplierPublicServices {
+  findSupplierByTIN: (
+    tin: TINNumber,
+    context: ISupplierServicesContext
+  ) => Promise<Result<Supplier, Error>>;
+
+  createSupplier: (
+    id: UniqueID,
+    props: ISupplierCreateProps,
+    context: ISupplierServicesContext
+  ) => Promise<Result<Supplier, Error>>;
+}
diff --git a/modules/supplier/src/api/application/services/supplier-updater.service.ts b/modules/supplier/src/api/application/services/supplier-updater.service.ts
new file mode 100644
index 00000000..796c1e10
--- /dev/null
+++ b/modules/supplier/src/api/application/services/supplier-updater.service.ts
@@ -0,0 +1,60 @@
+import type { UniqueID } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import type { Supplier, SupplierPatchProps } from "../../domain";
+import type { ISupplierRepository } from "../repositories";
+
+export interface ISupplierUpdater {
+  update(params: {
+    companyId: UniqueID;
+    id: UniqueID;
+    props: SupplierPatchProps;
+    transaction: unknown;
+  }): Promise<Result<Supplier, Error>>;
+}
+
+type SupplierUpdaterDeps = {
+  repository: ISupplierRepository;
+};
+
+export class SupplierUpdater implements ISupplierUpdater {
+  private readonly repository: ISupplierRepository;
+
+  constructor(deps: SupplierUpdaterDeps) {
+    this.repository = deps.repository;
+  }
+
+  async update(params: {
+    companyId: UniqueID;
+    id: UniqueID;
+    props: SupplierPatchProps;
+    transaction: unknown;
+  }): Promise<Result<Supplier, Error>> {
+    const { companyId, id, props, transaction } = params;
+
+    // Recuperar agregado existente
+    const existingResult = await this.repository.getByIdInCompany(companyId, id, transaction);
+
+    if (existingResult.isFailure) {
+      return Result.fail(existingResult.error);
+    }
+
+    const supplier = existingResult.data;
+
+    // Aplicar cambios en el agregado
+    const updateResult = supplier.update(props);
+
+    if (updateResult.isFailure) {
+      return Result.fail(updateResult.error);
+    }
+
+    // Persistir cambios
+    const saveResult = await this.repository.update(supplier, transaction);
+
+    if (saveResult.isFailure) {
+      return Result.fail(saveResult.error);
+    }
+
+    return Result.ok(supplier);
+  }
+}
diff --git a/modules/supplier/src/api/application/snapshot-builders/domain/index.ts b/modules/supplier/src/api/application/snapshot-builders/domain/index.ts
new file mode 100644
index 00000000..75c665ed
--- /dev/null
+++ b/modules/supplier/src/api/application/snapshot-builders/domain/index.ts
@@ -0,0 +1,2 @@
+export * from "./supplier-snapshot.interface";
+export * from "./supplier-snapshot-builder";
diff --git a/modules/supplier/src/api/application/snapshot-builders/domain/supplier-snapshot-builder.ts b/modules/supplier/src/api/application/snapshot-builders/domain/supplier-snapshot-builder.ts
new file mode 100644
index 00000000..711e6ad1
--- /dev/null
+++ b/modules/supplier/src/api/application/snapshot-builders/domain/supplier-snapshot-builder.ts
@@ -0,0 +1,55 @@
+import type { ISnapshotBuilder } from "@erp/core/api";
+import { maybeToEmptyString } from "@repo/rdx-ddd";
+
+import type { Supplier } from "../../../domain";
+
+import type { ISupplierFullSnapshot } from "./supplier-snapshot.interface";
+
+export interface ISupplierFullSnapshotBuilder
+  extends ISnapshotBuilder<Supplier, ISupplierFullSnapshot> {}
+
+export class SupplierFullSnapshotBuilder implements ISupplierFullSnapshotBuilder {
+  toOutput(supplier: Supplier): ISupplierFullSnapshot {
+    const address = supplier.address.toPrimitive();
+
+    return {
+      id: supplier.id.toPrimitive(),
+      company_id: supplier.companyId.toPrimitive(),
+      status: supplier.isActive ? "active" : "inactive",
+      reference: maybeToEmptyString(supplier.reference, (value) => value.toPrimitive()),
+
+      is_company: String(supplier.isCompany),
+      name: supplier.name.toPrimitive(),
+      trade_name: maybeToEmptyString(supplier.tradeName, (value) => value.toPrimitive()),
+      tin: maybeToEmptyString(supplier.tin, (value) => value.toPrimitive()),
+
+      street: maybeToEmptyString(address.street, (value) => value.toPrimitive()),
+      street2: maybeToEmptyString(address.street2, (value) => value.toPrimitive()),
+      city: maybeToEmptyString(address.city, (value) => value.toPrimitive()),
+      province: maybeToEmptyString(address.province, (value) => value.toPrimitive()),
+      postal_code: maybeToEmptyString(address.postalCode, (value) => value.toPrimitive()),
+      country: maybeToEmptyString(address.country, (value) => value.toPrimitive()),
+
+      email_primary: maybeToEmptyString(supplier.emailPrimary, (value) => value.toPrimitive()),
+      email_secondary: maybeToEmptyString(supplier.emailSecondary, (value) => value.toPrimitive()),
+
+      phone_primary: maybeToEmptyString(supplier.phonePrimary, (value) => value.toPrimitive()),
+      phone_secondary: maybeToEmptyString(supplier.phoneSecondary, (value) => value.toPrimitive()),
+
+      mobile_primary: maybeToEmptyString(supplier.mobilePrimary, (value) => value.toPrimitive()),
+      mobile_secondary: maybeToEmptyString(supplier.mobileSecondary, (value) =>
+        value.toPrimitive()
+      ),
+
+      fax: maybeToEmptyString(supplier.fax, (value) => value.toPrimitive()),
+      website: maybeToEmptyString(supplier.website, (value) => value.toPrimitive()),
+
+      language_code: supplier.languageCode.toPrimitive(),
+      currency_code: supplier.currencyCode.toPrimitive(),
+
+      metadata: {
+        entity: "supplier",
+      },
+    };
+  }
+}
diff --git a/modules/supplier/src/api/application/snapshot-builders/domain/supplier-snapshot.interface.ts b/modules/supplier/src/api/application/snapshot-builders/domain/supplier-snapshot.interface.ts
new file mode 100644
index 00000000..b1fc23d7
--- /dev/null
+++ b/modules/supplier/src/api/application/snapshot-builders/domain/supplier-snapshot.interface.ts
@@ -0,0 +1,35 @@
+export interface ISupplierFullSnapshot {
+  id: string;
+  company_id: string;
+  status: string;
+  reference: string;
+
+  is_company: string;
+  name: string;
+  trade_name: string;
+  tin: string;
+
+  street: string;
+  street2: string;
+  city: string;
+  province: string;
+  postal_code: string;
+  country: string;
+
+  email_primary: string;
+  email_secondary: string;
+
+  phone_primary: string;
+  phone_secondary: string;
+
+  mobile_primary: string;
+  mobile_secondary: string;
+
+  fax: string;
+  website: string;
+
+  language_code: string;
+  currency_code: string;
+
+  metadata?: Record<string, string>;
+}
diff --git a/modules/supplier/src/api/application/snapshot-builders/index.ts b/modules/supplier/src/api/application/snapshot-builders/index.ts
new file mode 100644
index 00000000..b7726c46
--- /dev/null
+++ b/modules/supplier/src/api/application/snapshot-builders/index.ts
@@ -0,0 +1,2 @@
+export * from "./domain";
+export * from "./summary";
diff --git a/modules/supplier/src/api/application/snapshot-builders/summary/index.ts b/modules/supplier/src/api/application/snapshot-builders/summary/index.ts
new file mode 100644
index 00000000..40739896
--- /dev/null
+++ b/modules/supplier/src/api/application/snapshot-builders/summary/index.ts
@@ -0,0 +1,2 @@
+export * from "./supplier-summary-snapshot.interface";
+export * from "./supplier-summary-snapshot-builder";
diff --git a/modules/supplier/src/api/application/snapshot-builders/summary/supplier-summary-snapshot-builder.ts b/modules/supplier/src/api/application/snapshot-builders/summary/supplier-summary-snapshot-builder.ts
new file mode 100644
index 00000000..04f2a7b1
--- /dev/null
+++ b/modules/supplier/src/api/application/snapshot-builders/summary/supplier-summary-snapshot-builder.ts
@@ -0,0 +1,49 @@
+import type { ISnapshotBuilder } from "@erp/core/api";
+import { maybeToEmptyString } from "@repo/rdx-ddd";
+
+import type { SupplierSummary } from "../../models";
+
+import type { ISupplierSummarySnapshot } from "./supplier-summary-snapshot.interface";
+
+export interface ISupplierSummarySnapshotBuilder
+  extends ISnapshotBuilder<SupplierSummary, ISupplierSummarySnapshot> {}
+
+export class SupplierSummarySnapshotBuilder implements ISupplierSummarySnapshotBuilder {
+  toOutput(supplier: SupplierSummary): ISupplierSummarySnapshot {
+    const { address } = supplier;
+
+    return {
+      id: supplier.id.toString(),
+      company_id: supplier.companyId.toString(),
+      status: supplier.isActive ? "active" : "inactive",
+      reference: maybeToEmptyString(supplier.reference, (value) => value.toString()),
+
+      is_company: String(supplier.isCompany),
+      name: supplier.name.toString(),
+      trade_name: maybeToEmptyString(supplier.tradeName, (value) => value.toString()),
+      tin: maybeToEmptyString(supplier.tin, (value) => value.toString()),
+
+      street: maybeToEmptyString(address.street, (value) => value.toString()),
+      street2: maybeToEmptyString(address.street2, (value) => value.toString()),
+      city: maybeToEmptyString(address.city, (value) => value.toString()),
+      postal_code: maybeToEmptyString(address.postalCode, (value) => value.toString()),
+      province: maybeToEmptyString(address.province, (value) => value.toString()),
+      country: maybeToEmptyString(address.country, (value) => value.toString()),
+
+      email_primary: maybeToEmptyString(supplier.emailPrimary, (value) => value.toString()),
+      email_secondary: maybeToEmptyString(supplier.emailSecondary, (value) => value.toString()),
+
+      phone_primary: maybeToEmptyString(supplier.phonePrimary, (value) => value.toString()),
+      phone_secondary: maybeToEmptyString(supplier.phoneSecondary, (value) => value.toString()),
+
+      mobile_primary: maybeToEmptyString(supplier.mobilePrimary, (value) => value.toString()),
+      mobile_secondary: maybeToEmptyString(supplier.mobileSecondary, (value) => value.toString()),
+
+      fax: maybeToEmptyString(supplier.fax, (value) => value.toString()),
+      website: maybeToEmptyString(supplier.website, (value) => value.toString()),
+
+      language_code: supplier.languageCode.code,
+      currency_code: supplier.currencyCode.code,
+    };
+  }
+}
diff --git a/modules/supplier/src/api/application/snapshot-builders/summary/supplier-summary-snapshot.interface.ts b/modules/supplier/src/api/application/snapshot-builders/summary/supplier-summary-snapshot.interface.ts
new file mode 100644
index 00000000..9ed24311
--- /dev/null
+++ b/modules/supplier/src/api/application/snapshot-builders/summary/supplier-summary-snapshot.interface.ts
@@ -0,0 +1,35 @@
+export type ISupplierSummarySnapshot = {
+  id: string;
+  company_id: string;
+  status: string;
+  reference: string;
+
+  is_company: string;
+  name: string;
+  trade_name: string;
+  tin: string;
+
+  street: string;
+  street2: string;
+  city: string;
+  postal_code: string;
+  province: string;
+  country: string;
+
+  email_primary: string;
+  email_secondary: string;
+
+  phone_primary: string;
+  phone_secondary: string;
+
+  mobile_primary: string;
+  mobile_secondary: string;
+
+  fax: string;
+  website: string;
+
+  language_code: string;
+  currency_code: string;
+
+  metadata?: Record<string, string>;
+};
diff --git a/modules/supplier/src/api/application/specs/index.ts b/modules/supplier/src/api/application/specs/index.ts
new file mode 100644
index 00000000..ced8a334
--- /dev/null
+++ b/modules/supplier/src/api/application/specs/index.ts
@@ -0,0 +1 @@
+export * from "./supplier-not-exists.spec";
diff --git a/modules/supplier/src/api/application/specs/supplier-not-exists.spec.ts b/modules/supplier/src/api/application/specs/supplier-not-exists.spec.ts
new file mode 100644
index 00000000..e7f859db
--- /dev/null
+++ b/modules/supplier/src/api/application/specs/supplier-not-exists.spec.ts
@@ -0,0 +1,35 @@
+import { CompositeSpecification, type UniqueID } from "@repo/rdx-ddd";
+
+import type { ISupplierRepository } from "../../application";
+
+export class SupplierNotExistsInCompanySpecification extends CompositeSpecification<UniqueID> {
+  constructor(
+    private readonly repository: ISupplierRepository,
+    private readonly companyId: UniqueID,
+    private readonly transaction?: unknown
+  ) {
+    super();
+  }
+
+  public async isSatisfiedBy(supplierId: UniqueID): Promise<boolean> {
+    const existsCheck = await this.repository.existsByIdInCompany(
+      this.companyId,
+      supplierId,
+      this.transaction
+    );
+
+    if (existsCheck.isFailure) {
+      throw existsCheck.error;
+    }
+
+    const supplierExists = existsCheck.data;
+    /*logger.debug(
+      `supplierExists => ${supplierExists}, ${JSON.stringify({ supplierId, companyId: this.companyId }, null, 2)}`,
+      {
+        label: "SupplierNotExistsInCompanySpecification",
+      }
+    );*/
+
+    return supplierExists === false;
+  }
+}
diff --git a/modules/supplier/src/api/application/use-cases/activate-supplier.use-case.ts b/modules/supplier/src/api/application/use-cases/activate-supplier.use-case.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/modules/supplier/src/api/application/use-cases/create-supplier.use-case.ts b/modules/supplier/src/api/application/use-cases/create-supplier.use-case.ts
new file mode 100644
index 00000000..f40a5116
--- /dev/null
+++ b/modules/supplier/src/api/application/use-cases/create-supplier.use-case.ts
@@ -0,0 +1,65 @@
+import type { ITransactionManager } from "@erp/core/api";
+import type { UniqueID } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import type { CreateSupplierRequestDTO } from "../../../common";
+import type { ISupplierCreator } from "../services";
+import type {
+  ICreateSupplierInputMapper,
+  ISupplierFullSnapshotBuilder,
+} from "../snapshot-builders";
+
+type CreateSupplierUseCaseInput = {
+  companyId: UniqueID;
+  dto: CreateSupplierRequestDTO;
+};
+
+type CreateSupplierUseCaseDeps = {
+  dtoMapper: ICreateSupplierInputMapper;
+  creator: ISupplierCreator;
+  fullSnapshotBuilder: ISupplierFullSnapshotBuilder;
+  transactionManager: ITransactionManager;
+};
+
+export class CreateSupplierUseCase {
+  private readonly dtoMapper: ICreateSupplierInputMapper;
+  private readonly creator: ISupplierCreator;
+  private readonly fullSnapshotBuilder: ISupplierFullSnapshotBuilder;
+  private readonly transactionManager: ITransactionManager;
+
+  constructor(deps: CreateSupplierUseCaseDeps) {
+    this.dtoMapper = deps.dtoMapper;
+    this.creator = deps.creator;
+    this.fullSnapshotBuilder = deps.fullSnapshotBuilder;
+    this.transactionManager = deps.transactionManager;
+  }
+
+  public execute(params: CreateSupplierUseCaseInput) {
+    const { dto, companyId } = params;
+
+    const mappedPropsResult = this.dtoMapper.map(dto, { companyId });
+    if (mappedPropsResult.isFailure) {
+      return mappedPropsResult;
+    }
+
+    const { props, id } = mappedPropsResult.data;
+
+    return this.transactionManager.complete(async (transaction: unknown) => {
+      try {
+        const createResult = await this.creator.create({ companyId, id, props, transaction });
+
+        if (createResult.isFailure) {
+          return createResult;
+        }
+
+        const newSupplier = createResult.data;
+
+        const snapshot = this.fullSnapshotBuilder.toOutput(newSupplier);
+
+        return Result.ok(snapshot);
+      } catch (error: unknown) {
+        return Result.fail(error as Error);
+      }
+    });
+  }
+}
diff --git a/modules/supplier/src/api/application/use-cases/deactivate-supplier.use-case.ts b/modules/supplier/src/api/application/use-cases/deactivate-supplier.use-case.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/modules/supplier/src/api/application/use-cases/get-supplier.use-case.ts b/modules/supplier/src/api/application/use-cases/get-supplier.use-case.ts
new file mode 100644
index 00000000..5c880afa
--- /dev/null
+++ b/modules/supplier/src/api/application/use-cases/get-supplier.use-case.ts
@@ -0,0 +1,50 @@
+import type { ITransactionManager } from "@erp/core/api";
+import { UniqueID } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import type { ISupplierFinder } from "../services";
+import type { ISupplierFullSnapshotBuilder } from "../snapshot-builders";
+
+type GetSupplierUseCaseInput = {
+  companyId: UniqueID;
+  supplier_id: string;
+};
+
+export class GetSupplierByIdUseCase {
+  constructor(
+    private readonly finder: ISupplierFinder,
+    private readonly fullSnapshotBuilder: ISupplierFullSnapshotBuilder,
+    private readonly transactionManager: ITransactionManager
+  ) {}
+
+  public execute(params: GetSupplierUseCaseInput) {
+    const { supplier_id, companyId } = params;
+
+    const idOrError = UniqueID.create(supplier_id);
+    if (idOrError.isFailure) {
+      return Result.fail(idOrError.error);
+    }
+
+    const supplierId = idOrError.data;
+
+    return this.transactionManager.complete(async (transaction) => {
+      try {
+        const supplierResult = await this.finder.findSupplierById(
+          companyId,
+          supplierId,
+          transaction
+        );
+
+        if (supplierResult.isFailure) {
+          return Result.fail(supplierResult.error);
+        }
+
+        const fullSnapshot = this.fullSnapshotBuilder.toOutput(supplierResult.data);
+
+        return Result.ok(fullSnapshot);
+      } catch (error: unknown) {
+        return Result.fail(error as Error);
+      }
+    });
+  }
+}
diff --git a/modules/supplier/src/api/application/use-cases/index.ts b/modules/supplier/src/api/application/use-cases/index.ts
new file mode 100644
index 00000000..6486bce2
--- /dev/null
+++ b/modules/supplier/src/api/application/use-cases/index.ts
@@ -0,0 +1,6 @@
+export * from './activate-supplier.use-case';
+export * from './create-supplier.use-case';
+export * from './deactivate-supplier.use-case';
+export * from './get-supplier.use-case';
+export * from './list-suppliers.use-case';
+export * from './update-supplier.use-case';
diff --git a/modules/supplier/src/api/application/use-cases/list-suppliers.use-case.ts b/modules/supplier/src/api/application/use-cases/list-suppliers.use-case.ts
new file mode 100644
index 00000000..3375cbc4
--- /dev/null
+++ b/modules/supplier/src/api/application/use-cases/list-suppliers.use-case.ts
@@ -0,0 +1,55 @@
+import type { ITransactionManager } from "@erp/core/api";
+import type { Criteria } from "@repo/rdx-criteria/server";
+import type { UniqueID } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import type { ISupplierFinder } from "../services";
+import type { ISupplierSummarySnapshotBuilder } from "../snapshot-builders/summary";
+
+type ListSuppliersUseCaseInput = {
+  companyId: UniqueID;
+  criteria: Criteria;
+};
+
+export class ListSuppliersUseCase {
+  constructor(
+    private readonly finder: ISupplierFinder,
+    private readonly summarySnapshotBuilder: ISupplierSummarySnapshotBuilder,
+    private readonly transactionManager: ITransactionManager
+  ) {}
+
+  public execute(params: ListSuppliersUseCaseInput) {
+    const { criteria, companyId } = params;
+
+    return this.transactionManager.complete(async (transaction: unknown) => {
+      try {
+        const result = await this.finder.findSuppliersByCriteria(companyId, criteria, transaction);
+
+        if (result.isFailure) {
+          return Result.fail(result.error);
+        }
+
+        const suppliers = result.data;
+        const totalSuppliers = suppliers.total();
+
+        const items = suppliers.map((item) => this.summarySnapshotBuilder.toOutput(item));
+
+        const snapshot = {
+          page: criteria.pageNumber,
+          per_page: criteria.pageSize,
+          total_pages: Math.ceil(totalSuppliers / criteria.pageSize),
+          total_items: totalSuppliers,
+          items: items,
+          metadata: {
+            entity: "suppliers",
+            criteria: criteria.toJSON(),
+          },
+        };
+
+        return Result.ok(snapshot);
+      } catch (error: unknown) {
+        return Result.fail(error as Error);
+      }
+    });
+  }
+}
diff --git a/modules/supplier/src/api/application/use-cases/update-supplier.use-case.ts b/modules/supplier/src/api/application/use-cases/update-supplier.use-case.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/modules/supplier/src/api/create-supplier-module.sh b/modules/supplier/src/api/create-supplier-module.sh
new file mode 100644
index 00000000..34ace2d2
--- /dev/null
+++ b/modules/supplier/src/api/create-supplier-module.sh
@@ -0,0 +1,93 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+MODULE_ROOT="./"
+
+DIRS=(
+  "$MODULE_ROOT"
+  "$MODULE_ROOT/application"
+  "$MODULE_ROOT/application/di"
+  "$MODULE_ROOT/application/dtos"
+  "$MODULE_ROOT/application/mappers"
+  "$MODULE_ROOT/application/repositories"
+  "$MODULE_ROOT/application/services"
+  "$MODULE_ROOT/application/use-cases"
+  "$MODULE_ROOT/domain"
+  "$MODULE_ROOT/domain/aggregates"
+  "$MODULE_ROOT/domain/collections"
+  "$MODULE_ROOT/domain/errors"
+  "$MODULE_ROOT/domain/value-objects"
+  "$MODULE_ROOT/infrastructure"
+  "$MODULE_ROOT/infrastructure/di"
+  "$MODULE_ROOT/infrastructure/express"
+  "$MODULE_ROOT/infrastructure/express/controllers"
+  "$MODULE_ROOT/infrastructure/persistence"
+  "$MODULE_ROOT/infrastructure/persistence/sequelize"
+  "$MODULE_ROOT/infrastructure/persistence/sequelize/mappers"
+  "$MODULE_ROOT/infrastructure/persistence/sequelize/models"
+  "$MODULE_ROOT/infrastructure/persistence/sequelize/repositories"
+)
+
+FILES=(
+  "$MODULE_ROOT/application/repositories/supplier-repository.interface.ts"
+
+  "$MODULE_ROOT/application/services/supplier-creator.service.ts"
+  "$MODULE_ROOT/application/services/supplier-updater.service.ts"
+  "$MODULE_ROOT/application/services/supplier-finder.service.ts"
+
+  "$MODULE_ROOT/application/use-cases/create-supplier.use-case.ts"
+  "$MODULE_ROOT/application/use-cases/update-supplier.use-case.ts"
+  "$MODULE_ROOT/application/use-cases/get-supplier.use-case.ts"
+  "$MODULE_ROOT/application/use-cases/list-suppliers.use-case.ts"
+  "$MODULE_ROOT/application/use-cases/activate-supplier.use-case.ts"
+  "$MODULE_ROOT/application/use-cases/deactivate-supplier.use-case.ts"
+
+  "$MODULE_ROOT/domain/aggregates/supplier.aggregate.ts"
+  "$MODULE_ROOT/domain/collections/supplier-taxes.collection.ts"
+  "$MODULE_ROOT/domain/errors/supplier-domain.errors.ts"
+  "$MODULE_ROOT/domain/value-objects/supplier-status.value-object.ts"
+
+  "$MODULE_ROOT/infrastructure/express/supplier.routes.ts"
+  "$MODULE_ROOT/infrastructure/persistence/sequelize/models/supplier-sequelize.model.ts"
+  "$MODULE_ROOT/infrastructure/persistence/sequelize/mappers/sequelize-supplier-domain.mapper.ts"
+  "$MODULE_ROOT/infrastructure/persistence/sequelize/mappers/supplier-summary.mapper.ts"
+  "$MODULE_ROOT/infrastructure/persistence/sequelize/repositories/sequelize-supplier.repository.ts"
+)
+
+mkdir -p "${DIRS[@]}"
+touch "${FILES[@]}"
+
+create_index() {
+  local dir="$1"
+  local index_file="$dir/index.ts"
+
+  : > "$index_file"
+
+  mapfile -t ts_files < <(
+    find "$dir" -maxdepth 1 -type f -name "*.ts" ! -name "index.ts" \
+      | sort
+  )
+
+  mapfile -t subdirs < <(
+    find "$dir" -maxdepth 1 -mindepth 1 -type d \
+      | sort
+  )
+
+  for file in "${ts_files[@]}"; do
+    local base
+    base="$(basename "$file" .ts)"
+    echo "export * from './$base';" >> "$index_file"
+  done
+
+  for subdir in "${subdirs[@]}"; do
+    local name
+    name="$(basename "$subdir")"
+    echo "export * from './$name';" >> "$index_file"
+  done
+}
+
+for dir in "${DIRS[@]}"; do
+  create_index "$dir"
+done
+
+echo "Módulo supplier creado correctamente en $MODULE_ROOT"
\ No newline at end of file
diff --git a/modules/supplier/src/api/domain/aggregates/index.ts b/modules/supplier/src/api/domain/aggregates/index.ts
new file mode 100644
index 00000000..de720f10
--- /dev/null
+++ b/modules/supplier/src/api/domain/aggregates/index.ts
@@ -0,0 +1 @@
+export * from './supplier.aggregate';
diff --git a/modules/supplier/src/api/domain/aggregates/supplier.aggregate.ts b/modules/supplier/src/api/domain/aggregates/supplier.aggregate.ts
new file mode 100644
index 00000000..c04ade7b
--- /dev/null
+++ b/modules/supplier/src/api/domain/aggregates/supplier.aggregate.ts
@@ -0,0 +1,250 @@
+import {
+  AggregateRoot,
+  type CurrencyCode,
+  type EmailAddress,
+  type LanguageCode,
+  type Name,
+  type PhoneNumber,
+  type PostalAddress,
+  type PostalAddressPatchProps,
+  type PostalAddressProps,
+  type TINNumber,
+  type URLAddress,
+  type UniqueID,
+} from "@repo/rdx-ddd";
+import { type Maybe, Result } from "@repo/rdx-utils";
+
+import { SupplierStatus } from "../value-objects/supplier-status.value-object";
+
+/**
+ * Props de creación
+ */
+export interface ISupplierCreateProps {
+  companyId: UniqueID;
+  status?: SupplierStatus;
+  reference: Maybe<Name>;
+
+  isCompany: boolean;
+  name: Name;
+  tradeName: Maybe<Name>;
+  tin: Maybe<TINNumber>;
+
+  address: PostalAddressProps;
+
+  emailPrimary: Maybe<EmailAddress>;
+  emailSecondary: Maybe<EmailAddress>;
+
+  phonePrimary: Maybe<PhoneNumber>;
+  phoneSecondary: Maybe<PhoneNumber>;
+
+  mobilePrimary: Maybe<PhoneNumber>;
+  mobileSecondary: Maybe<PhoneNumber>;
+
+  fax: Maybe<PhoneNumber>;
+  website: Maybe<URLAddress>;
+
+  languageCode: LanguageCode;
+  currencyCode: CurrencyCode;
+}
+
+export type SupplierPatchProps = Partial<
+  Omit<ISupplierCreateProps, "companyId" | "address" | "status">
+> & {
+  address?: PostalAddressPatchProps;
+};
+
+// Supplier
+export interface ISupplier {
+  // comportamiento
+  update(partialSupplier: SupplierPatchProps): Result<Supplier, Error>;
+
+  // propiedades (getters)
+  readonly isIndividual: boolean;
+  readonly isCompany: boolean;
+  readonly isActive: boolean;
+
+  readonly companyId: UniqueID;
+
+  readonly reference: Maybe<Name>;
+  readonly name: Name;
+  readonly tradeName: Maybe<Name>;
+  readonly tin: Maybe<TINNumber>;
+
+  readonly address: PostalAddress;
+
+  readonly emailPrimary: Maybe<EmailAddress>;
+  readonly emailSecondary: Maybe<EmailAddress>;
+
+  readonly phonePrimary: Maybe<PhoneNumber>;
+  readonly phoneSecondary: Maybe<PhoneNumber>;
+  readonly mobilePrimary: Maybe<PhoneNumber>;
+  readonly mobileSecondary: Maybe<PhoneNumber>;
+
+  readonly fax: Maybe<PhoneNumber>;
+  readonly website: Maybe<URLAddress>;
+
+  readonly languageCode: LanguageCode;
+  readonly currencyCode: CurrencyCode;
+}
+
+type SupplierInternalProps = Omit<ISupplierCreateProps, "address"> & {
+  readonly address: PostalAddress;
+};
+
+/**
+ * Aggregate Root: Supplier
+ */
+export class Supplier extends AggregateRoot<SupplierInternalProps> implements ISupplier {
+  static create(props: ISupplierCreateProps, id?: UniqueID): Result<Supplier, Error> {
+    const validationResult = Supplier.validateCreateProps(props);
+
+    if (validationResult.isFailure) {
+      return Result.fail(validationResult.error);
+    }
+
+    const { address, ...internalProps } = props;
+
+    const postalAddressResult = PostalAddress.create(address);
+
+    if (postalAddressResult.isFailure) {
+      return Result.fail(postalAddressResult.error);
+    }
+
+    const contact = new Supplier(
+      {
+        ...internalProps,
+        address: postalAddressResult.data,
+      },
+      id
+    );
+
+    // Reglas de negocio / validaciones
+    // ...
+    // ...
+
+    // Disparar eventos de dominio
+    // ...
+    // ...
+
+    return Result.ok(contact);
+  }
+
+  private static validateCreateProps(props: ISupplierCreateProps): Result<void, Error> {
+    return Result.ok();
+  }
+
+  // Rehidratación desde persistencia
+  static rehydrate(props: SupplierInternalProps, id: UniqueID): Supplier {
+    return new Supplier(props, id);
+  }
+
+  // -------------------------
+  // BEHAVIOUR
+  // -------------------------
+
+  public update(partialSupplier: SupplierPatchProps): Result<Supplier, Error> {
+    const { address: partialAddress, ...rest } = partialSupplier;
+
+    Object.assign(this.props, rest);
+
+    if (partialAddress) {
+      const addressResult = this.address.update(partialAddress);
+
+      if (addressResult.isFailure) {
+        return Result.fail(addressResult.error);
+      }
+    }
+
+    return Result.ok();
+  }
+
+  public activate(): Result<Supplier, Error> {
+    this.props.status = SupplierStatus.active();
+    return Result.ok(this);
+  }
+
+  public deactivate(): Result<Supplier, Error> {
+    this.props.status = SupplierStatus.inactive();
+    return Result.ok(this);
+  }
+
+  // -------------------------
+  // GETTERS
+  // -------------------------
+
+  public get isIndividual(): boolean {
+    return !this.props.isCompany;
+  }
+
+  public get isCompany(): boolean {
+    return this.props.isCompany;
+  }
+
+  public get isActive(): boolean {
+    return this.props.status.isActive();
+  }
+
+  public get companyId(): UniqueID {
+    return this.props.companyId;
+  }
+
+  public get reference(): Maybe<Name> {
+    return this.props.reference;
+  }
+
+  public get name(): Name {
+    return this.props.name;
+  }
+
+  public get tradeName(): Maybe<Name> {
+    return this.props.tradeName;
+  }
+
+  public get tin(): Maybe<TINNumber> {
+    return this.props.tin;
+  }
+
+  public get address(): PostalAddress {
+    return this.props.address;
+  }
+
+  public get emailPrimary(): Maybe<EmailAddress> {
+    return this.props.emailPrimary;
+  }
+
+  public get emailSecondary(): Maybe<EmailAddress> {
+    return this.props.emailSecondary;
+  }
+
+  public get phonePrimary(): Maybe<PhoneNumber> {
+    return this.props.phonePrimary;
+  }
+
+  public get phoneSecondary(): Maybe<PhoneNumber> {
+    return this.props.phoneSecondary;
+  }
+
+  public get mobilePrimary(): Maybe<PhoneNumber> {
+    return this.props.mobilePrimary;
+  }
+
+  public get mobileSecondary(): Maybe<PhoneNumber> {
+    return this.props.mobileSecondary;
+  }
+
+  public get fax(): Maybe<PhoneNumber> {
+    return this.props.fax;
+  }
+
+  public get website(): Maybe<URLAddress> {
+    return this.props.website;
+  }
+
+  public get languageCode(): LanguageCode {
+    return this.props.languageCode;
+  }
+
+  public get currencyCode(): CurrencyCode {
+    return this.props.currencyCode;
+  }
+}
diff --git a/modules/supplier/src/api/domain/collections/index.ts b/modules/supplier/src/api/domain/collections/index.ts
new file mode 100644
index 00000000..8b464466
--- /dev/null
+++ b/modules/supplier/src/api/domain/collections/index.ts
@@ -0,0 +1 @@
+export * from './supplier-taxes.collection';
diff --git a/modules/supplier/src/api/domain/collections/supplier-taxes.collection.ts b/modules/supplier/src/api/domain/collections/supplier-taxes.collection.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/modules/supplier/src/api/domain/errors/index.ts b/modules/supplier/src/api/domain/errors/index.ts
new file mode 100644
index 00000000..d8e0678c
--- /dev/null
+++ b/modules/supplier/src/api/domain/errors/index.ts
@@ -0,0 +1 @@
+export * from "./supplier-domain.errors";
diff --git a/modules/supplier/src/api/domain/errors/supplier-domain.errors.ts b/modules/supplier/src/api/domain/errors/supplier-domain.errors.ts
new file mode 100644
index 00000000..303deca7
--- /dev/null
+++ b/modules/supplier/src/api/domain/errors/supplier-domain.errors.ts
@@ -0,0 +1,8 @@
+import { DomainError } from "@repo/rdx-ddd";
+
+export class SupplierNotFoundError extends DomainError {
+  public readonly code = "SUPPLIER_ID" as const;
+}
+
+export const isSupplierNotFoundError = (e: unknown): e is SupplierNotFoundError =>
+  e instanceof SupplierNotFoundError;
diff --git a/modules/supplier/src/api/domain/index.ts b/modules/supplier/src/api/domain/index.ts
new file mode 100644
index 00000000..9dc38f73
--- /dev/null
+++ b/modules/supplier/src/api/domain/index.ts
@@ -0,0 +1,4 @@
+export * from './aggregates';
+export * from './collections';
+export * from './errors';
+export * from './value-objects';
diff --git a/modules/supplier/src/api/domain/value-objects/index.ts b/modules/supplier/src/api/domain/value-objects/index.ts
new file mode 100644
index 00000000..07c48e7a
--- /dev/null
+++ b/modules/supplier/src/api/domain/value-objects/index.ts
@@ -0,0 +1 @@
+export * from './supplier-status.value-object';
diff --git a/modules/supplier/src/api/domain/value-objects/supplier-status.value-object.ts b/modules/supplier/src/api/domain/value-objects/supplier-status.value-object.ts
new file mode 100644
index 00000000..8fb3f757
--- /dev/null
+++ b/modules/supplier/src/api/domain/value-objects/supplier-status.value-object.ts
@@ -0,0 +1,52 @@
+import { ValueObject } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+/**
+ * Estados permitidos
+ */
+export enum SUPPLIER_STATUS {
+  ACTIVE = "ACTIVE",
+  INACTIVE = "INACTIVE",
+}
+
+interface ISupplierStatusProps {
+  value: SUPPLIER_STATUS;
+}
+
+export class SupplierStatus extends ValueObject<ISupplierStatusProps> {
+  private constructor(props: ISupplierStatusProps) {
+    super(props);
+  }
+
+  public static create(value: string): Result<SupplierStatus, Error> {
+    if (!Object.values(SUPPLIER_STATUS).includes(value as SUPPLIER_STATUS)) {
+      return Result.fail(new Error(`Invalid supplier status: ${value}`));
+    }
+
+    return Result.ok(new SupplierStatus({ value: value as SUPPLIER_STATUS }));
+  }
+
+  public static active(): SupplierStatus {
+    return new SupplierStatus({ value: SUPPLIER_STATUS.ACTIVE });
+  }
+
+  public static inactive(): SupplierStatus {
+    return new SupplierStatus({ value: SUPPLIER_STATUS.INACTIVE });
+  }
+
+  public isActive(): boolean {
+    return this.props.value === SUPPLIER_STATUS.ACTIVE;
+  }
+
+  public isInactive(): boolean {
+    return this.props.value === SUPPLIER_STATUS.INACTIVE;
+  }
+
+  public toPrimitive(): string {
+    return this.props.value;
+  }
+
+  getProps(): string {
+    return this.props.value;
+  }
+}
diff --git a/modules/supplier/src/api/index.ts b/modules/supplier/src/api/index.ts
new file mode 100644
index 00000000..60fb1c3b
--- /dev/null
+++ b/modules/supplier/src/api/index.ts
@@ -0,0 +1,78 @@
+import type { IModuleServer } from "@erp/core/api";
+
+import type { ISupplierPublicServices } from "./application";
+import { models, suppliersRouter } from "./infrastructure";
+import { buildSupplierPublicServices, buildSuppliersDependencies } from "./infrastructure/di";
+
+export * from "./infrastructure/persistence/sequelize";
+
+export const suppliersAPIModule: IModuleServer = {
+  name: "suppliers",
+  version: "1.0.0",
+  dependencies: [],
+
+  /**
+   * Fase de SETUP
+   * ----------------
+   * - Construye el dominio (una sola vez)
+   * - Define qué expone el módulo
+   * - NO conecta infraestructura
+   */
+  async setup(params) {
+    const { env: ENV, app, database, baseRoutePath: API_BASE_PATH, logger } = params;
+
+    // 1) Dominio interno
+    const internal = buildSuppliersDependencies(params);
+
+    // 2) Servicios públicos (Application Services)
+    const suppliersServices: ISupplierPublicServices = buildSupplierPublicServices(
+      params,
+      internal
+    );
+
+    logger.info("🚀 Suppliers module dependencies registered", {
+      label: this.name,
+    });
+
+    return {
+      // Modelos Sequelize del módulo
+      models,
+
+      // Servicios expuestos a otros módulos
+      services: {
+        general: suppliersServices, // 'suppliers:general'
+      },
+
+      // Implementación privada del módulo
+      internal,
+    };
+  },
+
+  /**
+   * Fase de START
+   * -------------
+   * - Conecta el módulo al runtime
+   * - Puede usar servicios e internals ya construidos
+   * - NO construye dominio
+   */
+  async start(params) {
+    const { app, baseRoutePath, logger, getInternal } = params;
+
+    // Registro de rutas HTTP
+    suppliersRouter(params);
+
+    logger.info("🚀 Suppliers module started", {
+      label: this.name,
+    });
+  },
+
+  /**
+   * Warmup opcional (si lo necesitas en el futuro)
+   * ----------------------------------------------
+   * warmup(params) {
+   *   ...
+   * }
+   */
+};
+
+export default suppliersAPIModule;
diff --git a/modules/supplier/src/api/infrastructure/di/index.ts b/modules/supplier/src/api/infrastructure/di/index.ts
new file mode 100644
index 00000000..93d404a1
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/di/index.ts
@@ -0,0 +1,2 @@
+export * from "./supplier-public-services";
+export * from "./suppliers.di";
diff --git a/modules/supplier/src/api/infrastructure/di/supplier-persistence-mappers.di.ts b/modules/supplier/src/api/infrastructure/di/supplier-persistence-mappers.di.ts
new file mode 100644
index 00000000..d6f2f544
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/di/supplier-persistence-mappers.di.ts
@@ -0,0 +1,30 @@
+import type { ICatalogs } from "@erp/core/api";
+
+import { SequelizeSupplierDomainMapper, SequelizeSupplierSummaryMapper } from "../persistence";
+
+export interface ISupplierPersistenceMappers {
+  domainMapper: SequelizeSupplierDomainMapper;
+  summaryMapper: SequelizeSupplierSummaryMapper;
+
+  //createMapper: CreateSupplierInputMapper;
+}
+
+export const buildSupplierPersistenceMappers = (
+  catalogs: ICatalogs
+): ISupplierPersistenceMappers => {
+  const { taxCatalog } = catalogs;
+
+  // Mappers para el repositorio
+  const domainMapper = new SequelizeSupplierDomainMapper({ taxCatalog });
+  const summaryMapper = new SequelizeSupplierSummaryMapper();
+
+  // Mappers el DTO a las props validadas (SupplierProps) y luego construir agregado
+  //const createMapper = new CreateSupplierInputMapper();
+
+  return {
+    domainMapper,
+    summaryMapper,
+
+    //createMapper,
+  };
+};
diff --git a/modules/supplier/src/api/infrastructure/di/supplier-public-services.ts b/modules/supplier/src/api/infrastructure/di/supplier-public-services.ts
new file mode 100644
index 00000000..35d5d57e
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/di/supplier-public-services.ts
@@ -0,0 +1,65 @@
+import { type SetupParams, buildCatalogs } from "@erp/core/api";
+import type { TINNumber, UniqueID } from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import {
+  type ISupplierPublicServices,
+  type ISupplierServicesContext,
+  buildSupplierCreator,
+  buildSupplierFinder,
+} from "../../application";
+import type { ISupplierCreateProps } from "../../domain";
+
+import { buildSupplierPersistenceMappers } from "./supplier-persistence-mappers.di";
+import { buildSupplierRepository } from "./supplier-repositories.di";
+import type { SuppliersInternalDeps } from "./suppliers.di";
+
+export function buildSupplierPublicServices(
+  params: SetupParams,
+  deps: SuppliersInternalDeps
+): ISupplierPublicServices {
+  const { database } = params;
+  const catalogs = buildCatalogs();
+
+  // Infrastructure
+  const persistenceMappers = buildSupplierPersistenceMappers(catalogs);
+  const repository = buildSupplierRepository({ database, mappers: persistenceMappers });
+
+  const finder = buildSupplierFinder({ repository });
+  const creator = buildSupplierCreator({ repository });
+
+  return {
+    findSupplierByTIN: async (tin: TINNumber, context: ISupplierServicesContext) => {
+      const { companyId, transaction } = context;
+
+      const supplierResult = await finder.findSupplierByTIN(companyId, tin, transaction);
+
+      if (supplierResult.isFailure) {
+        return Result.fail(supplierResult.error);
+      }
+
+      return Result.ok(supplierResult.data);
+    },
+
+    createSupplier: async (
+      id: UniqueID,
+      props: ISupplierCreateProps,
+      context: ISupplierServicesContext
+    ) => {
+      const { companyId, transaction } = context;
+
+      const supplierResult = await creator.create({
+        companyId,
+        id,
+        props,
+        transaction,
+      });
+
+      if (supplierResult.isFailure) {
+        return Result.fail(supplierResult.error);
+      }
+
+      return Result.ok(supplierResult.data);
+    },
+  };
+}
diff --git a/modules/supplier/src/api/infrastructure/di/supplier-repositories.di.ts b/modules/supplier/src/api/infrastructure/di/supplier-repositories.di.ts
new file mode 100644
index 00000000..56904dc4
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/di/supplier-repositories.di.ts
@@ -0,0 +1,14 @@
+import type { Sequelize } from "sequelize";
+
+import { SupplierRepository } from "../persistence";
+
+import type { ISupplierPersistenceMappers } from "./supplier-persistence-mappers.di";
+
+export const buildSupplierRepository = (params: {
+  database: Sequelize;
+  mappers: ISupplierPersistenceMappers;
+}) => {
+  const { database, mappers } = params;
+
+  return new SupplierRepository(mappers.domainMapper, mappers.summaryMapper, database);
+};
diff --git a/modules/supplier/src/api/infrastructure/di/suppliers.di.ts b/modules/supplier/src/api/infrastructure/di/suppliers.di.ts
new file mode 100644
index 00000000..8e8ad2a9
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/di/suppliers.di.ts
@@ -0,0 +1,88 @@
+import { type ModuleParams, buildCatalogs, buildTransactionManager } from "@erp/core/api";
+
+import {
+  type CreateSupplierUseCase,
+  type GetSupplierByIdUseCase,
+  type ListSuppliersUseCase,
+  buildCreateSupplierUseCase,
+  buildGetSupplierByIdUseCase,
+  buildListSuppliersUseCase,
+  buildSupplierCreator,
+  buildSupplierFinder,
+  buildSupplierInputMappers,
+  buildSupplierSnapshotBuilders,
+  buildSupplierUpdater,
+} from "../../application";
+
+import { buildSupplierPersistenceMappers } from "./supplier-persistence-mappers.di";
+import { buildSupplierRepository } from "./supplier-repositories.di";
+
+export type SuppliersInternalDeps = {
+  useCases: {
+    listSuppliers: () => ListSuppliersUseCase;
+    getSupplierById: () => GetSupplierByIdUseCase;
+    createSupplier: () => CreateSupplierUseCase;
+    //updateSupplier: () => UpdateSupplierUseCase;
+
+    /*
+    
+    deleteSupplier: () => DeleteSupplierUseCase;
+    changeStatusSupplier: () => ChangeStatusSupplierUseCase;*/
+  };
+};
+
+export function buildSuppliersDependencies(params: ModuleParams): SuppliersInternalDeps {
+  const { database } = params;
+
+  // Infrastructure
+  const transactionManager = buildTransactionManager(database);
+  const catalogs = buildCatalogs();
+  const persistenceMappers = buildSupplierPersistenceMappers(catalogs);
+
+  const repository = buildSupplierRepository({ database, mappers: persistenceMappers });
+  //const numberService = buildSupplierNumberGenerator();
+
+  // Application helpers
+  const inputMappers = buildSupplierInputMappers(catalogs);
+  const finder = buildSupplierFinder({ repository });
+  const creator = buildSupplierCreator({ repository });
+  const updater = buildSupplierUpdater({ repository });
+
+  const snapshotBuilders = buildSupplierSnapshotBuilders();
+  //const documentGeneratorPipeline = buildSupplierDocumentService(params);
+
+  // Internal use cases (factories)
+  return {
+    useCases: {
+      listSuppliers: () =>
+        buildListSuppliersUseCase({
+          finder,
+          summarySnapshotBuilder: snapshotBuilders.summary,
+          transactionManager,
+        }),
+
+      getSupplierById: () =>
+        buildGetSupplierByIdUseCase({
+          finder,
+          fullSnapshotBuilder: snapshotBuilders.full,
+          transactionManager,
+        }),
+
+      createSupplier: () =>
+        buildCreateSupplierUseCase({
+          creator,
+          dtoMapper: inputMappers.createInputMapper,
+          fullSnapshotBuilder: snapshotBuilders.full,
+          transactionManager,
+        }),
+
+      /*updateSupplier: () =>
+        buildUpdateSupplierUseCase({
+          updater,
+          dtoMapper: inputMappers.updateInputMapper,
+          fullSnapshotBuilder: snapshotBuilders.full,
+          transactionManager,
+        }),*/
+    },
+  };
+}
diff --git a/modules/supplier/src/api/infrastructure/express/controllers/create-supplier.controller.ts b/modules/supplier/src/api/infrastructure/express/controllers/create-supplier.controller.ts
new file mode 100644
index 00000000..0aa05d80
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/express/controllers/create-supplier.controller.ts
@@ -0,0 +1,39 @@
+import {
+  ExpressController,
+  forbidQueryFieldGuard,
+  requireAuthenticatedGuard,
+  requireCompanyContextGuard,
+} from "@erp/core/api";
+
+import type { CreateSupplierRequestDTO } from "../../../../common/dto";
+import type { CreateSupplierUseCase } from "../../../application";
+import { suppliersApiErrorMapper } from "../supplier-api-error-mapper";
+
+export class CreateSupplierController extends ExpressController {
+  public constructor(private readonly useCase: CreateSupplierUseCase) {
+    super();
+    this.errorMapper = suppliersApiErrorMapper;
+
+    // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
+    this.registerGuards(
+      requireAuthenticatedGuard(),
+      requireCompanyContextGuard(),
+      forbidQueryFieldGuard("companyId")
+    );
+  }
+
+  protected async executeImpl() {
+    const companyId = this.getTenantId();
+    if (!companyId) {
+      return this.forbiddenError("Tenant ID not found");
+    }
+    const dto = this.req.body as CreateSupplierRequestDTO;
+
+    const result = await this.useCase.execute({ dto, companyId });
+
+    return result.match(
+      (data) => this.created(data),
+      (err) => this.handleError(err)
+    );
+  }
+}
diff --git a/modules/supplier/src/api/infrastructure/express/controllers/delete-supplier.controller.ts b/modules/supplier/src/api/infrastructure/express/controllers/delete-supplier.controller.ts
new file mode 100644
index 00000000..8448004d
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/express/controllers/delete-supplier.controller.ts
@@ -0,0 +1,38 @@
+import {
+  ExpressController,
+  forbidQueryFieldGuard,
+  requireAuthenticatedGuard,
+  requireCompanyContextGuard,
+} from "@erp/core/api";
+
+import type { DeleteSupplierUseCase } from "../../../application";
+import { suppliersApiErrorMapper } from "../supplier-api-error-mapper";
+
+export class DeleteSupplierController extends ExpressController {
+  public constructor(private readonly useCase: DeleteSupplierUseCase) {
+    super();
+    this.errorMapper = suppliersApiErrorMapper;
+
+    // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
+    this.registerGuards(
+      requireAuthenticatedGuard(),
+      requireCompanyContextGuard(),
+      forbidQueryFieldGuard("companyId")
+    );
+  }
+
+  async executeImpl(): Promise<any> {
+    const companyId = this.getTenantId();
+    if (!companyId) {
+      return this.forbiddenError("Tenant ID not found");
+    }
+    const { supplier_id } = this.req.params;
+
+    const result = await this.useCase.execute({ supplier_id, companyId });
+
+    return result.match(
+      (data) => this.ok(data),
+      (err) => this.handleError(err)
+    );
+  }
+}
diff --git a/modules/supplier/src/api/infrastructure/express/controllers/get-supplier.controller.ts b/modules/supplier/src/api/infrastructure/express/controllers/get-supplier.controller.ts
new file mode 100644
index 00000000..af6862e4
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/express/controllers/get-supplier.controller.ts
@@ -0,0 +1,38 @@
+import {
+  ExpressController,
+  forbidQueryFieldGuard,
+  requireAuthenticatedGuard,
+  requireCompanyContextGuard,
+} from "@erp/core/api";
+
+import type { GetSupplierUseCase } from "../../../application";
+import { suppliersApiErrorMapper } from "../supplier-api-error-mapper";
+
+export class GetSupplierController extends ExpressController {
+  public constructor(private readonly useCase: GetSupplierUseCase) {
+    super();
+    this.errorMapper = suppliersApiErrorMapper;
+
+    // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
+    this.registerGuards(
+      requireAuthenticatedGuard(),
+      requireCompanyContextGuard(),
+      forbidQueryFieldGuard("companyId")
+    );
+  }
+
+  protected async executeImpl() {
+    const companyId = this.getTenantId();
+    if (!companyId) {
+      return this.forbiddenError("Tenant ID not found");
+    }
+    const { supplier_id } = this.req.params;
+
+    const result = await this.useCase.execute({ supplier_id, companyId });
+
+    return result.match(
+      (data) => this.ok(data),
+      (err) => this.handleError(err)
+    );
+  }
+}
diff --git a/modules/supplier/src/api/infrastructure/express/controllers/index.ts b/modules/supplier/src/api/infrastructure/express/controllers/index.ts
new file mode 100644
index 00000000..760c9201
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/express/controllers/index.ts
@@ -0,0 +1,5 @@
+export * from "./create-supplier.controller";
+export * from "./delete-supplier.controller";
+export * from "./get-supplier.controller";
+export * from "./list-suppliers.controller";
+export * from "./update-supplier.controller";
diff --git a/modules/supplier/src/api/infrastructure/express/controllers/list-suppliers.controller.ts b/modules/supplier/src/api/infrastructure/express/controllers/list-suppliers.controller.ts
new file mode 100644
index 00000000..5abe6a6c
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/express/controllers/list-suppliers.controller.ts
@@ -0,0 +1,54 @@
+import {
+  ExpressController,
+  forbidQueryFieldGuard,
+  requireAuthenticatedGuard,
+  requireCompanyContextGuard,
+} from "@erp/core/api";
+import { Criteria } from "@repo/rdx-criteria/server";
+
+import type { ListSuppliersUseCase } from "../../../application";
+import { suppliersApiErrorMapper } from "../supplier-api-error-mapper";
+
+export class ListSuppliersController extends ExpressController {
+  public constructor(private readonly listSuppliers: ListSuppliersUseCase) {
+    super();
+    this.errorMapper = suppliersApiErrorMapper;
+
+    // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
+    this.registerGuards(
+      requireAuthenticatedGuard(),
+      requireCompanyContextGuard(),
+      forbidQueryFieldGuard("companyId")
+    );
+  }
+
+  private getCriteriaWithDefaultOrder() {
+    if (this.criteria.hasOrder()) {
+      return this.criteria;
+    }
+
+    const { q: quicksearch, filters, pageSize, pageNumber } = this.criteria.toPrimitives();
+    return Criteria.fromPrimitives(filters, "name", "ASC", pageSize, pageNumber, quicksearch);
+  }
+
+  protected async executeImpl() {
+    const companyId = this.getTenantId();
+    if (!companyId) {
+      return this.forbiddenError("Tenant ID not found");
+    }
+
+    const criteria = this.getCriteriaWithDefaultOrder();
+    const result = await this.listSuppliers.execute({ criteria, companyId });
+
+    return result.match(
+      (data) =>
+        this.ok(data, {
+          "X-Total-Count": String(data.total_items),
+          "Pagination-Count": String(data.total_pages),
+          "Pagination-Page": String(data.page),
+          "Pagination-Limit": String(data.per_page),
+        }),
+      (err) => this.handleError(err)
+    );
+  }
+}
diff --git a/modules/supplier/src/api/infrastructure/express/controllers/update-supplier.controller.ts b/modules/supplier/src/api/infrastructure/express/controllers/update-supplier.controller.ts
new file mode 100644
index 00000000..81c1e4f9
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/express/controllers/update-supplier.controller.ts
@@ -0,0 +1,40 @@
+import {
+  ExpressController,
+  forbidQueryFieldGuard,
+  requireAuthenticatedGuard,
+  requireCompanyContextGuard,
+} from "@erp/core/api";
+
+import type { UpdateSupplierByIdRequestDTO } from "../../../../common/dto";
+import type { UpdateSupplierUseCase } from "../../../application";
+import { suppliersApiErrorMapper } from "../supplier-api-error-mapper";
+
+export class UpdateSupplierController extends ExpressController {
+  public constructor(private readonly useCase: UpdateSupplierUseCase) {
+    super();
+    this.errorMapper = suppliersApiErrorMapper;
+
+    // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
+    this.registerGuards(
+      requireAuthenticatedGuard(),
+      requireCompanyContextGuard(),
+      forbidQueryFieldGuard("companyId")
+    );
+  }
+
+  protected async executeImpl() {
+    const companyId = this.getTenantId();
+    if (!companyId) {
+      return this.forbiddenError("Tenant ID not found");
+    }
+    const { supplier_id } = this.req.params;
+    const dto = this.req.body as UpdateSupplierByIdRequestDTO;
+
+    const result = await this.useCase.execute({ supplier_id, companyId, dto });
+
+    return result.match(
+      (data) => this.ok(data),
+      (err) => this.handleError(err)
+    );
+  }
+}
diff --git a/modules/supplier/src/api/infrastructure/express/index.ts b/modules/supplier/src/api/infrastructure/express/index.ts
new file mode 100644
index 00000000..8955e695
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/express/index.ts
@@ -0,0 +1 @@
+export * from "./suppliers.routes";
diff --git a/modules/supplier/src/api/infrastructure/express/supplier-api-error-mapper.ts b/modules/supplier/src/api/infrastructure/express/supplier-api-error-mapper.ts
new file mode 100644
index 00000000..90ec7dfb
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/express/supplier-api-error-mapper.ts
@@ -0,0 +1,17 @@
+import { ApiErrorMapper, type ErrorToApiRule, NotFoundApiError } from "@erp/core/api";
+
+import { type SupplierNotFoundError, isSupplierNotFoundError } from "../../domain";
+
+// Crea una regla específica (prioridad alta para sobreescribir mensajes)
+const supplierNotFoundRule: ErrorToApiRule = {
+  priority: 120,
+  matches: (e) => isSupplierNotFoundError(e),
+  build: (e) =>
+    new NotFoundApiError(
+      (e as SupplierNotFoundError).message || "Supplier with the provided id not exists."
+    ),
+};
+
+// Cómo aplicarla: crea una nueva instancia del mapper con la regla extra
+export const suppliersApiErrorMapper: ApiErrorMapper =
+  ApiErrorMapper.default().register(supplierNotFoundRule);
diff --git a/modules/supplier/src/api/infrastructure/express/suppliers.routes.ts b/modules/supplier/src/api/infrastructure/express/suppliers.routes.ts
new file mode 100644
index 00000000..a93fac4b
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/express/suppliers.routes.ts
@@ -0,0 +1,112 @@
+import { mockUser, requireAuthenticated, requireCompanyContext } from "@erp/auth/api";
+import { type RequestWithAuth, type StartParams, validateRequest } from "@erp/core/api";
+import { type NextFunction, type Request, type Response, Router } from "express";
+
+import {
+  CreateSupplierRequestSchema,
+  GetSupplierByIdRequestSchema,
+  SupplierListRequestSchema,
+  UpdateSupplierByIdParamsRequestSchema,
+  UpdateSupplierByIdRequestSchema,
+} from "../../../common";
+import type { SuppliersInternalDeps } from "../di";
+
+import {
+  CreateSupplierController,
+  GetSupplierController,
+  ListSuppliersController,
+  UpdateSupplierController,
+} from "./controllers";
+
+export const suppliersRouter = (params: StartParams) => {
+  const { app, config, getInternal } = params;
+
+  // Recuperamos el dominio interno del módulo
+  const deps = getInternal<SuppliersInternalDeps>("suppliers");
+
+  const router: Router = Router({ mergeParams: true });
+
+  // ----------------------------------------------
+
+  // 🔐 Autenticación + Tenancy para TODO el router
+  if (process.env.NODE_ENV === "development" || process.env.NODE_ENV === "production") {
+    router.use(
+      (req: Request, res: Response, next: NextFunction) =>
+        mockUser(req as RequestWithAuth, res, next) // Debe ir antes de las rutas protegidas
+    );
+  }
+
+  //router.use(/*authenticateJWT(),*/ enforceTenant() /*checkTabContext*/);
+  router.use([
+    (req: Request, res: Response, next: NextFunction) =>
+      requireAuthenticated()(req as RequestWithAuth, res, next), // Debe ir antes de las rutas protegidas
+
+    (req: Request, res: Response, next: NextFunction) =>
+      requireCompanyContext()(req as RequestWithAuth, res, next), // Debe ir antes de las rutas protegidas
+  ]);
+
+  // ----------------------------------------------
+
+  router.get(
+    "/",
+    //checkTabContext,
+
+    validateRequest(SupplierListRequestSchema, "params"),
+    (req: Request, res: Response, next: NextFunction) => {
+      const useCase = deps.useCases.listSuppliers();
+      const controller = new ListSuppliersController(useCase /*,  deps.presenters.list */);
+      return controller.execute(req, res, next);
+    }
+  );
+
+  router.get(
+    "/:supplier_id",
+    //checkTabContext,
+
+    validateRequest(GetSupplierByIdRequestSchema, "params"),
+    (req: Request, res: Response, next: NextFunction) => {
+      const useCase = deps.useCases.getSupplierById();
+      const controller = new GetSupplierController(useCase);
+      return controller.execute(req, res, next);
+    }
+  );
+
+  router.post(
+    "/",
+    //checkTabContext,
+
+    validateRequest(CreateSupplierRequestSchema, "body"),
+    (req: Request, res: Response, next: NextFunction) => {
+      const useCase = deps.useCases.createSupplier();
+      const controller = new CreateSupplierController(useCase);
+      return controller.execute(req, res, next);
+    }
+  );
+
+  router.put(
+    "/:supplier_id",
+    //checkTabContext,
+
+    validateRequest(UpdateSupplierByIdParamsRequestSchema, "params"),
+    validateRequest(UpdateSupplierByIdRequestSchema, "body"),
+    (req: Request, res: Response, next: NextFunction) => {
+      const useCase = deps.useCases.updateSupplier();
+      const controller = new UpdateSupplierController(useCase);
+      return controller.execute(req, res, next);
+    }
+  );
+
+  /*router.delete(
+    "/:supplier_id",
+    //checkTabContext,
+
+    validateRequest(DeleteSupplierByIdRequestSchema, "params"),
+    (req: Request, res: Response, next: NextFunction) => {
+      const useCase = deps.build.delete();
+      const controller = new DeleteSupplierController(useCase);
+      return controller.execute(req, res, next);
+    }
+  );*/
+
+  app.use(`${config.server.apiBasePath}/suppliers`, router);
+};
diff --git a/modules/supplier/src/api/infrastructure/index.ts b/modules/supplier/src/api/infrastructure/index.ts
new file mode 100644
index 00000000..3e34d105
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/index.ts
@@ -0,0 +1,3 @@
+export * from "./di";
+export * from "./express";
+export * from "./persistence";
diff --git a/modules/supplier/src/api/infrastructure/persistence/index.ts b/modules/supplier/src/api/infrastructure/persistence/index.ts
new file mode 100644
index 00000000..9c2c79b5
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/index.ts
@@ -0,0 +1 @@
+export * from './sequelize';
diff --git a/modules/supplier/src/api/infrastructure/persistence/sequelize/index.ts b/modules/supplier/src/api/infrastructure/persistence/sequelize/index.ts
new file mode 100644
index 00000000..df42019b
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/sequelize/index.ts
@@ -0,0 +1,8 @@
+import supplierModelInit from "./models/sequelize-supplier.model";
+
+export * from "./mappers";
+export * from "./models";
+export * from "./repositories";
+
+// Array de inicializadores para que registerModels() lo use
+export const models = [supplierModelInit];
diff --git a/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/domain/index.ts b/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/domain/index.ts
new file mode 100644
index 00000000..99253278
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/domain/index.ts
@@ -0,0 +1 @@
+export * from "./sequelize-supplier.mapper";
diff --git a/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/domain/sequelize-supplier.mapper.ts b/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/domain/sequelize-supplier.mapper.ts
new file mode 100644
index 00000000..425dd242
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/domain/sequelize-supplier.mapper.ts
@@ -0,0 +1,265 @@
+import type { TaxCatalogProvider } from "@erp/core";
+import { type MapperParamsType, SequelizeDomainMapper } from "@erp/core/api";
+import {
+  City,
+  Country,
+  CurrencyCode,
+  EmailAddress,
+  LanguageCode,
+  Name,
+  PhoneNumber,
+  PostalAddress,
+  PostalCode,
+  Province,
+  Street,
+  TINNumber,
+  URLAddress,
+  UniqueID,
+  ValidationErrorCollection,
+  type ValidationErrorDetail,
+  extractOrPushError,
+  maybeFromNullableResult,
+  maybeToNullable,
+} from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import { type ISupplierCreateProps, Supplier, SupplierStatus } from "../../../../../domain";
+import type { SupplierCreationAttributes, SupplierModel } from "../../../sequelize";
+
+export class SequelizeSupplierDomainMapper extends SequelizeDomainMapper<
+  SupplierModel,
+  SupplierCreationAttributes,
+  Supplier
+> {
+  private readonly taxCatalog: TaxCatalogProvider;
+
+  constructor(params: { taxCatalog: TaxCatalogProvider }) {
+    super();
+    this.taxCatalog = params.taxCatalog;
+  }
+
+  public mapToDomain(source: SupplierModel, params?: MapperParamsType): Result<Supplier, Error> {
+    try {
+      const errors: ValidationErrorDetail[] = [];
+
+      const supplierId = extractOrPushError(UniqueID.create(source.id), "id", errors);
+      const companyId = extractOrPushError(
+        UniqueID.create(source.company_id),
+        "company_id",
+        errors
+      );
+
+      const isCompany = source.is_company;
+      const status = extractOrPushError(SupplierStatus.create(source.status), "status", errors);
+      const reference = extractOrPushError(
+        maybeFromNullableResult(source.reference, (value) => Name.create(value)),
+        "reference",
+        errors
+      );
+
+      const name = extractOrPushError(Name.create(source.name), "name", errors);
+
+      const tradeName = extractOrPushError(
+        maybeFromNullableResult(source.trade_name, (value) => Name.create(value)),
+        "trade_name",
+        errors
+      );
+
+      const tinNumber = extractOrPushError(
+        maybeFromNullableResult(source.tin, (value) => TINNumber.create(value)),
+        "tin",
+        errors
+      );
+
+      const street = extractOrPushError(
+        maybeFromNullableResult(source.street, (value) => Street.create(value)),
+        "street",
+        errors
+      );
+
+      const street2 = extractOrPushError(
+        maybeFromNullableResult(source.street2, (value) => Street.create(value)),
+        "street2",
+        errors
+      );
+
+      const city = extractOrPushError(
+        maybeFromNullableResult(source.city, (value) => City.create(value)),
+        "city",
+        errors
+      );
+
+      const province = extractOrPushError(
+        maybeFromNullableResult(source.province, (value) => Province.create(value)),
+        "province",
+        errors
+      );
+
+      const postalCode = extractOrPushError(
+        maybeFromNullableResult(source.postal_code, (value) => PostalCode.create(value)),
+        "postal_code",
+        errors
+      );
+
+      const country = extractOrPushError(
+        maybeFromNullableResult(source.country, (value) => Country.create(value)),
+        "country",
+        errors
+      );
+
+      const emailPrimaryAddress = extractOrPushError(
+        maybeFromNullableResult(source.email_primary, (value) => EmailAddress.create(value)),
+        "email_primary",
+        errors
+      );
+
+      const emailSecondaryAddress = extractOrPushError(
+        maybeFromNullableResult(source.email_secondary, (value) => EmailAddress.create(value)),
+        "email_secondary",
+        errors
+      );
+
+      const phonePrimaryNumber = extractOrPushError(
+        maybeFromNullableResult(source.phone_primary, (value) => PhoneNumber.create(value)),
+        "phone_primary",
+        errors
+      );
+
+      const phoneSecondaryNumber = extractOrPushError(
+        maybeFromNullableResult(source.phone_secondary, (value) => PhoneNumber.create(value)),
+        "phone_secondary",
+        errors
+      );
+
+      const mobilePrimaryNumber = extractOrPushError(
+        maybeFromNullableResult(source.mobile_primary, (value) => PhoneNumber.create(value)),
+        "mobile_primary",
+        errors
+      );
+
+      const mobileSecondaryNumber = extractOrPushError(
+        maybeFromNullableResult(source.mobile_secondary, (value) => PhoneNumber.create(value)),
+        "mobile_secondary",
+        errors
+      );
+
+      const faxNumber = extractOrPushError(
+        maybeFromNullableResult(source.fax, (value) => PhoneNumber.create(value)),
+        "fax",
+        errors
+      );
+
+      const website = extractOrPushError(
+        maybeFromNullableResult(source.website, (value) => URLAddress.create(value)),
+        "website",
+        errors
+      );
+
+      const languageCode = extractOrPushError(
+        LanguageCode.create(source.language_code),
+        "language_code",
+        errors
+      );
+
+      const currencyCode = extractOrPushError(
+        CurrencyCode.create(source.currency_code),
+        "currency_code",
+        errors
+      );
+
+      // Now, create the PostalAddress VO
+      const postalAddressProps = {
+        street: street!,
+        street2: street2!,
+        city: city!,
+        postalCode: postalCode!,
+        province: province!,
+        country: country!,
+      };
+
+      const postalAddress = extractOrPushError(
+        PostalAddress.create(postalAddressProps),
+        "address",
+        errors
+      );
+
+      // Si hubo errores de mapeo, devolvemos colección de validación
+      if (errors.length > 0) {
+        return Result.fail(new ValidationErrorCollection("Supplier props mapping failed", errors));
+      }
+
+      const supplierProps: ISupplierCreateProps = {
+        companyId: companyId!,
+        status: status!,
+        reference: reference!,
+
+        isCompany: isCompany,
+        name: name!,
+        tradeName: tradeName!,
+        tin: tinNumber!,
+
+        address: postalAddress!,
+
+        emailPrimary: emailPrimaryAddress!,
+        emailSecondary: emailSecondaryAddress!,
+        phonePrimary: phonePrimaryNumber!,
+        phoneSecondary: phoneSecondaryNumber!,
+        mobilePrimary: mobilePrimaryNumber!,
+        mobileSecondary: mobileSecondaryNumber!,
+        fax: faxNumber!,
+        website: website!,
+
+        languageCode: languageCode!,
+        currencyCode: currencyCode!,
+      };
+
+      return Supplier.create(supplierProps, supplierId);
+    } catch (err: unknown) {
+      return Result.fail(err as Error);
+    }
+  }
+
+  public mapToPersistence(
+    source: Supplier,
+    params?: MapperParamsType
+  ): Result<SupplierCreationAttributes, Error> {
+    const supplierValues: Partial<SupplierCreationAttributes> = {
+      id: source.id.toPrimitive(),
+      company_id: source.companyId.toPrimitive(),
+
+      reference: maybeToNullable(source.reference, (reference) => reference.toPrimitive()),
+      is_company: source.isCompany,
+      name: source.name.toPrimitive(),
+      trade_name: maybeToNullable(source.tradeName, (tradeName) => tradeName.toPrimitive()),
+      tin: maybeToNullable(source.tin, (tin) => tin.toPrimitive()),
+
+      email_primary: maybeToNullable(source.emailPrimary, (email) => email.toPrimitive()),
+      email_secondary: maybeToNullable(source.emailSecondary, (email) => email.toPrimitive()),
+      phone_primary: maybeToNullable(source.phonePrimary, (phone) => phone.toPrimitive()),
+      phone_secondary: maybeToNullable(source.phoneSecondary, (phone) => phone.toPrimitive()),
+      mobile_primary: maybeToNullable(source.mobilePrimary, (mobile) => mobile.toPrimitive()),
+      mobile_secondary: maybeToNullable(source.mobileSecondary, (mobile) => mobile.toPrimitive()),
+      fax: maybeToNullable(source.fax, (fax) => fax.toPrimitive()),
+      website: maybeToNullable(source.website, (website) => website.toPrimitive()),
+
+      status: source.isActive ? "active" : "inactive",
+      language_code: source.languageCode.toPrimitive(),
+      currency_code: source.currencyCode.toPrimitive(),
+    };
+
+    if (source.address) {
+      Object.assign(supplierValues, {
+        street: maybeToNullable(source.address.street, (street) => street.toPrimitive()),
+        street2: maybeToNullable(source.address.street2, (street2) => street2.toPrimitive()),
+        city: maybeToNullable(source.address.city, (city) => city.toPrimitive()),
+        province: maybeToNullable(source.address.province, (province) => province.toPrimitive()),
+        postal_code: maybeToNullable(source.address.postalCode, (postalCode) =>
+          postalCode.toPrimitive()
+        ),
+        country: maybeToNullable(source.address.country, (country) => country.toPrimitive()),
+      });
+    }
+
+    return Result.ok<SupplierCreationAttributes>(supplierValues as SupplierCreationAttributes);
+  }
+}
diff --git a/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/index.ts b/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/index.ts
new file mode 100644
index 00000000..b7726c46
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/index.ts
@@ -0,0 +1,2 @@
+export * from "./domain";
+export * from "./summary";
diff --git a/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/summary/index.ts b/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/summary/index.ts
new file mode 100644
index 00000000..1fef7d8a
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/summary/index.ts
@@ -0,0 +1 @@
+export * from "./sequelize-supplier-summary.mapper";
diff --git a/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/summary/sequelize-supplier-summary.mapper.ts b/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/summary/sequelize-supplier-summary.mapper.ts
new file mode 100644
index 00000000..3e73c38a
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/sequelize/mappers/summary/sequelize-supplier-summary.mapper.ts
@@ -0,0 +1,209 @@
+import { type MapperParamsType, SequelizeQueryMapper } from "@erp/core/api";
+import {
+  City,
+  Country,
+  CurrencyCode,
+  EmailAddress,
+  LanguageCode,
+  Name,
+  PhoneNumber,
+  PostalAddress,
+  PostalCode,
+  Province,
+  Street,
+  TINNumber,
+  URLAddress,
+  UniqueID,
+  ValidationErrorCollection,
+  type ValidationErrorDetail,
+  extractOrPushError,
+  maybeFromNullableResult,
+} from "@repo/rdx-ddd";
+import { Result } from "@repo/rdx-utils";
+
+import type { SupplierSummary } from "../../../../../application";
+import { SupplierStatus } from "../../../../../domain";
+import type { SupplierModel } from "../../models";
+
+export class SequelizeSupplierSummaryMapper extends SequelizeQueryMapper<
+  SupplierModel,
+  SupplierSummary
+> {
+  public mapToReadModel(
+    raw: SupplierModel,
+    params?: MapperParamsType
+  ): Result<SupplierSummary, Error> {
+    const errors: ValidationErrorDetail[] = [];
+
+    // 1) Valores escalares (atributos generales)
+    const supplierId = extractOrPushError(UniqueID.create(raw.id), "id", errors);
+    const companyId = extractOrPushError(UniqueID.create(raw.company_id), "company_id", errors);
+
+    const isCompany = raw.is_company;
+    const status = extractOrPushError(SupplierStatus.create(raw.status), "status", errors);
+    const reference = extractOrPushError(
+      maybeFromNullableResult(raw.reference, (value) => Name.create(value)),
+      "reference",
+      errors
+    );
+
+    const name = extractOrPushError(Name.create(raw.name), "name", errors);
+
+    const tradeName = extractOrPushError(
+      maybeFromNullableResult(raw.trade_name, (value) => Name.create(value)),
+      "trade_name",
+      errors
+    );
+
+    const tinNumber = extractOrPushError(
+      maybeFromNullableResult(raw.tin, (value) => TINNumber.create(value)),
+      "tin",
+      errors
+    );
+
+    const street = extractOrPushError(
+      maybeFromNullableResult(raw.street, (value) => Street.create(value)),
+      "street",
+      errors
+    );
+
+    const street2 = extractOrPushError(
+      maybeFromNullableResult(raw.street2, (value) => Street.create(value)),
+      "street2",
+      errors
+    );
+
+    const city = extractOrPushError(
+      maybeFromNullableResult(raw.city, (value) => City.create(value)),
+      "city",
+      errors
+    );
+
+    const province = extractOrPushError(
+      maybeFromNullableResult(raw.province, (value) => Province.create(value)),
+      "province",
+      errors
+    );
+
+    const postalCode = extractOrPushError(
+      maybeFromNullableResult(raw.postal_code, (value) => PostalCode.create(value)),
+      "postal_code",
+      errors
+    );
+
+    const country = extractOrPushError(
+      maybeFromNullableResult(raw.country, (value) => Country.create(value)),
+      "country",
+      errors
+    );
+
+    const emailPrimaryAddress = extractOrPushError(
+      maybeFromNullableResult(raw.email_primary, (value) => EmailAddress.create(value)),
+      "email_primary",
+      errors
+    );
+
+    const emailSecondaryAddress = extractOrPushError(
+      maybeFromNullableResult(raw.email_secondary, (value) => EmailAddress.create(value)),
+      "email_secondary",
+      errors
+    );
+
+    const phonePrimaryNumber = extractOrPushError(
+      maybeFromNullableResult(raw.phone_primary, (value) => PhoneNumber.create(value)),
+      "phone_primary",
+      errors
+    );
+
+    const phoneSecondaryNumber = extractOrPushError(
+      maybeFromNullableResult(raw.phone_secondary, (value) => PhoneNumber.create(value)),
+      "phone_secondary",
+      errors
+    );
+
+    const mobilePrimaryNumber = extractOrPushError(
+      maybeFromNullableResult(raw.mobile_primary, (value) => PhoneNumber.create(value)),
+      "mobile_primary",
+      errors
+    );
+
+    const mobileSecondaryNumber = extractOrPushError(
+      maybeFromNullableResult(raw.mobile_secondary, (value) => PhoneNumber.create(value)),
+      "mobile_secondary",
+      errors
+    );
+
+    const faxNumber = extractOrPushError(
+      maybeFromNullableResult(raw.fax, (value) => PhoneNumber.create(value)),
+      "fax",
+      errors
+    );
+
+    const website = extractOrPushError(
+      maybeFromNullableResult(raw.website, (value) => URLAddress.create(value)),
+      "website",
+      errors
+    );
+
+    const languageCode = extractOrPushError(
+      LanguageCode.create(raw.language_code),
+      "language_code",
+      errors
+    );
+
+    const currencyCode = extractOrPushError(
+      CurrencyCode.create(raw.currency_code),
+      "currency_code",
+      errors
+    );
+
+    // Valores compuestos (objetos de valor / agregados)
+    const postalAddressProps = {
+      street: street!,
+      street2: street2!,
+      city: city!,
+      postalCode: postalCode!,
+      province: province!,
+      country: country!,
+    };
+
+    const postalAddress = extractOrPushError(
+      PostalAddress.create(postalAddressProps),
+      "address",
+      errors
+    );
+
+    // Si hubo errores de mapeo, devolvemos colección de validación
+    if (errors.length > 0) {
+      return Result.fail(
+        new ValidationErrorCollection("Supplier mapping failed [mapToDTO]", errors)
+      );
+    }
+
+    return Result.ok<SupplierSummary>({
+      id: supplierId!,
+      companyId: companyId!,
+      isActive: status!.isActive(),
+      reference: reference!,
+
+      isCompany: isCompany,
+      name: name!,
+      tradeName: tradeName!,
+      tin: tinNumber!,
+
+      address: postalAddress!,
+
+      emailPrimary: emailPrimaryAddress!,
+      emailSecondary: emailSecondaryAddress!,
+      phonePrimary: phonePrimaryNumber!,
+      phoneSecondary: phoneSecondaryNumber!,
+      mobilePrimary: mobilePrimaryNumber!,
+      mobileSecondary: mobileSecondaryNumber!,
+      fax: faxNumber!,
+      website: website!,
+
+      languageCode: languageCode!,
+      currencyCode: currencyCode!,
+    });
+  }
+}
diff --git a/modules/supplier/src/api/infrastructure/persistence/sequelize/models/index.ts b/modules/supplier/src/api/infrastructure/persistence/sequelize/models/index.ts
new file mode 100644
index 00000000..71b75209
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/sequelize/models/index.ts
@@ -0,0 +1 @@
+export * from "./sequelize-supplier.model";
diff --git a/modules/supplier/src/api/infrastructure/persistence/sequelize/models/sequelize-supplier.model.ts b/modules/supplier/src/api/infrastructure/persistence/sequelize/models/sequelize-supplier.model.ts
new file mode 100644
index 00000000..f1133b19
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/sequelize/models/sequelize-supplier.model.ts
@@ -0,0 +1,236 @@
+import {
+  type CreationOptional,
+  DataTypes,
+  type InferAttributes,
+  type InferCreationAttributes,
+  Model,
+  type Sequelize,
+} from "sequelize";
+
+export type SupplierCreationAttributes = InferCreationAttributes<SupplierModel, {}> & {};
+
+export class SupplierModel extends Model<
+  InferAttributes<SupplierModel>,
+  InferCreationAttributes<SupplierModel>
+> {
+  // To avoid table creation
+  /*static async sync(): Promise<any> {
+      return Promise.resolve();
+    }*/
+
+  declare id: string;
+  declare company_id: string;
+  declare reference: CreationOptional<string | null>;
+
+  declare is_company: boolean;
+  declare name: string;
+  declare trade_name: CreationOptional<string | null>;
+  declare tin: CreationOptional<string | null>;
+
+  declare street: CreationOptional<string | null>;
+  declare street2: CreationOptional<string | null>;
+  declare city: CreationOptional<string | null>;
+  declare province: CreationOptional<string | null>;
+  declare postal_code: CreationOptional<string | null>;
+  declare country: CreationOptional<string | null>;
+
+  // Correos electrónicos
+  declare email_primary: CreationOptional<string | null>;
+  declare email_secondary: CreationOptional<string | null>;
+
+  // Teléfonos fijos
+  declare phone_primary: CreationOptional<string | null>;
+  declare phone_secondary: CreationOptional<string | null>;
+
+  // Móviles
+  declare mobile_primary: CreationOptional<string | null>;
+  declare mobile_secondary: CreationOptional<string | null>;
+
+  declare fax: CreationOptional<string | null>;
+  declare website: CreationOptional<string | null>;
+
+  declare status: string;
+  declare language_code: CreationOptional<string>;
+  declare currency_code: CreationOptional<string>;
+
+  static associate(_database: Sequelize) {}
+
+  static hooks(_database: Sequelize) {}
+}
+
+export default (database: Sequelize) => {
+  SupplierModel.init(
+    {
+      id: {
+        type: DataTypes.UUID,
+        primaryKey: true,
+      },
+      company_id: {
+        type: DataTypes.UUID,
+        allowNull: false,
+      },
+      reference: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+      is_company: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: false,
+      },
+      name: {
+        type: DataTypes.STRING,
+        allowNull: false,
+      },
+      trade_name: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+      tin: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+
+      street: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+      street2: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+      city: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+      province: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+      postal_code: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+      country: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+
+      email_primary: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+        validate: {
+          isEmail: true,
+        },
+      },
+      email_secondary: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+        validate: {
+          isEmail: true,
+        },
+      },
+
+      phone_primary: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+      phone_secondary: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+
+      mobile_primary: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+      mobile_secondary: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+
+      fax: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+      },
+      website: {
+        type: DataTypes.STRING,
+        allowNull: true,
+        defaultValue: null,
+        validate: {
+          isUrl: true,
+        },
+      },
+
+      status: {
+        type: DataTypes.STRING,
+        allowNull: false,
+        defaultValue: "active",
+      },
+
+      language_code: {
+        type: DataTypes.STRING(2),
+        allowNull: false,
+        defaultValue: "es",
+      },
+
+      currency_code: {
+        type: new DataTypes.STRING(3),
+        allowNull: false,
+        defaultValue: "EUR",
+      },
+    },
+    {
+      sequelize: database,
+      modelName: "SupplierModel",
+      tableName: "suppliers",
+
+      underscored: true,
+      paranoid: true, // softs deletes
+      timestamps: true,
+
+      createdAt: "created_at",
+      updatedAt: "updated_at",
+      deletedAt: "deleted_at",
+
+      indexes: [
+        {
+          name: "idx_suppliers_company_name",
+          fields: ["company_id", "deleted_at", "name"],
+        },
+        { name: "idx_name", fields: ["name"] }, // <- para ordenación
+        { name: "idx_tin", fields: ["tin"] }, // <- para servicios externos
+        { name: "idx_company_idx", fields: ["id", "company_id"], unique: true }, // <- para consulta get
+
+        {
+          name: "ft_supplier",
+          type: "FULLTEXT",
+          fields: ["name", "trade_name", "reference", "tin", "email_primary", "mobile_primary"],
+        },
+      ],
+
+      whereMergeStrategy: "and", // <- cómo tratar el merge de un scope
+
+      defaultScope: {},
+
+      scopes: {},
+    }
+  );
+  return SupplierModel;
+};
diff --git a/modules/supplier/src/api/infrastructure/persistence/sequelize/repositories/index.ts b/modules/supplier/src/api/infrastructure/persistence/sequelize/repositories/index.ts
new file mode 100644
index 00000000..ce8c3b81
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/sequelize/repositories/index.ts
@@ -0,0 +1 @@
+export * from './sequelize-supplier.repository';
diff --git a/modules/supplier/src/api/infrastructure/persistence/sequelize/repositories/sequelize-supplier.repository.ts b/modules/supplier/src/api/infrastructure/persistence/sequelize/repositories/sequelize-supplier.repository.ts
new file mode 100644
index 00000000..c0fa8449
--- /dev/null
+++ b/modules/supplier/src/api/infrastructure/persistence/sequelize/repositories/sequelize-supplier.repository.ts
@@ -0,0 +1,334 @@
+import {
+  EntityNotFoundError,
+  InfrastructureRepositoryError,
+  SequelizeRepository,
+  translateSequelizeError,
+} from "@erp/core/api";
+import { type Criteria, CriteriaToSequelizeConverter } from "@repo/rdx-criteria/server";
+import type { TINNumber, UniqueID } from "@repo/rdx-ddd";
+import { type Collection, Result } from "@repo/rdx-utils";
+import type { FindOptions, InferAttributes, OrderItem, Sequelize, Transaction } from "sequelize";
+
+import type { ISupplierRepository, SupplierSummary } from "../../../../application";
+import type { Supplier } from "../../../../domain";
+import type { SequelizeSupplierDomainMapper, SequelizeSupplierSummaryMapper } from "../../mappers";
+import { SupplierModel } from "../models";
+
+export class SupplierRepository
+  extends SequelizeRepository<Supplier>
+  implements ISupplierRepository
+{
+  constructor(
+    private readonly domainMapper: SequelizeSupplierDomainMapper,
+    private readonly summaryMapper: SequelizeSupplierSummaryMapper,
+    database: Sequelize
+  ) {
+    super({ database });
+  }
+
+  /**
+   *
+   * Crea un nuevo proveedor
+   *
+   * @param supplier - El proveedor nuevo a guardar.
+   * @param transaction - Transacción activa para la operación.
+   * @returns Result<void, Error>
+   */
+  async create(supplier: Supplier, transaction?: Transaction): Promise<Result<void, Error>> {
+    try {
+      const dtoResult = this.domainMapper.mapToPersistence(supplier);
+
+      if (dtoResult.isFailure) {
+        return Result.fail(dtoResult.error);
+      }
+
+      const dto = dtoResult.data;
+
+      await SupplierModel.create(dto, {
+        include: [{ all: true }],
+        transaction,
+      });
+
+      return Result.ok();
+    } catch (err: unknown) {
+      return Result.fail(translateSequelizeError(err));
+    }
+  }
+
+  /**
+   * Actualiza un proveedor existente.
+   *
+   * @param supplier - El proveedor a actualizar.
+   * @param transaction - Transacción activa para la operación.
+   * @returns Result<void, Error>
+   */
+  async update(supplier: Supplier, transaction?: Transaction): Promise<Result<void, Error>> {
+    try {
+      const dtoResult = this.domainMapper.mapToPersistence(supplier);
+
+      const { id, ...updatePayload } = dtoResult.data;
+      const [affected] = await SupplierModel.update(updatePayload, {
+        where: { id /*, version */ },
+        //fields: Object.keys(updatePayload),
+        transaction,
+        individualHooks: true,
+      });
+
+      if (affected === 0) {
+        return Result.fail(
+          new InfrastructureRepositoryError("Concurrency conflict or not found update supplier")
+        );
+      }
+
+      return Result.ok();
+    } catch (err: unknown) {
+      return Result.fail(translateSequelizeError(err));
+    }
+  }
+  /**
+   * Comprueba si existe un Supplier con un `id` dentro de una `company`.
+   *
+   * @param companyId - Identificador UUID de la empresa a la que pertenece el proveedor.
+   * @param id - Identificador UUID del proveedor.
+   * @param transaction - Transacción activa para la operación.
+   * @returns Result<boolean, Error>
+   */
+  async existsByIdInCompany(
+    companyId: UniqueID,
+    id: UniqueID,
+    transaction?: Transaction
+  ): Promise<Result<boolean, Error>> {
+    try {
+      const count = await SupplierModel.count({
+        where: { id: id.toString(), company_id: companyId.toString() },
+        transaction,
+      });
+      return Result.ok(Boolean(count > 0));
+    } catch (error: unknown) {
+      return Result.fail(translateSequelizeError(error));
+    }
+  }
+
+  /**
+   * Recupera un proveedor por su ID y companyId.
+   *
+   * @param companyId - Identificador UUID de la empresa a la que pertenece el proveedor.
+   * @param id - Identificador UUID del proveedor.
+   * @param transaction - Transacción activa para la operación.
+   * @returns Result<Supplier, Error>
+   */
+  async getByIdInCompany(
+    companyId: UniqueID,
+    id: UniqueID,
+    transaction?: Transaction,
+    options: FindOptions<InferAttributes<SupplierModel>> = {}
+  ): Promise<Result<Supplier, Error>> {
+    try {
+      // Normalización defensiva de order/include
+      const normalizedOrder = Array.isArray(options.order)
+        ? options.order
+        : options.order
+          ? [options.order]
+          : [];
+
+      const normalizedInclude = Array.isArray(options.include)
+        ? options.include
+        : options.include
+          ? [options.include]
+          : [];
+
+      const mergedOptions: FindOptions<InferAttributes<SupplierModel>> = {
+        ...options,
+        where: {
+          ...(options.where ?? {}),
+          id: id.toString(),
+          company_id: companyId.toString(),
+        },
+        order: normalizedOrder,
+        include: normalizedInclude,
+        transaction,
+      };
+
+      const row = await SupplierModel.findOne(mergedOptions);
+
+      if (!row) {
+        return Result.fail(new EntityNotFoundError("Supplier", "id", id.toString()));
+      }
+
+      const supplier = this.domainMapper.mapToDomain(row);
+      return supplier;
+    } catch (error: unknown) {
+      return Result.fail(translateSequelizeError(error));
+    }
+  }
+
+  /**
+   * Recupera un proveedor por su ID y companyId.
+   *
+   * @param companyId - Identificador UUID de la empresa a la que pertenece el proveedor.
+   * @param tin - TIN del proveedor.
+   * @param transaction - Transacción activa para la operación.
+   * @returns Result<Supplier, Error>
+   */
+  async getByTINInCompany(
+    companyId: UniqueID,
+    tin: TINNumber,
+    transaction?: Transaction,
+    options: FindOptions<InferAttributes<SupplierModel>> = {}
+  ): Promise<Result<Supplier, Error>> {
+    try {
+      // Normalización defensiva de order/include
+      const normalizedOrder = Array.isArray(options.order)
+        ? options.order
+        : options.order
+          ? [options.order]
+          : [];
+
+      const normalizedInclude = Array.isArray(options.include)
+        ? options.include
+        : options.include
+          ? [options.include]
+          : [];
+
+      const mergedOptions: FindOptions<InferAttributes<SupplierModel>> = {
+        ...options,
+        where: {
+          ...(options.where ?? {}),
+          tin: tin.toString(),
+          company_id: companyId.toString(),
+        },
+        order: normalizedOrder,
+        include: normalizedInclude,
+        transaction,
+      };
+
+      const row = await SupplierModel.findOne(mergedOptions);
+
+      if (!row) {
+        return Result.fail(new EntityNotFoundError("Supplier", "tin", tin.toString()));
+      }
+
+      const supplier = this.domainMapper.mapToDomain(row);
+      return supplier;
+    } catch (error: unknown) {
+      return Result.fail(translateSequelizeError(error));
+    }
+  }
+
+  /**
+   * Recupera múltiples suppliers dentro de una empresa según un criterio dinámico (búsqueda, paginación, etc.).
+   *
+   * @param companyId - Identificador UUID de la empresa a la que pertenece el proveedor.
+   * @param criteria - Criterios de búsqueda.
+   * @param transaction - Transacción activa para la operación.
+   * @returns Result<Collection<SupplierListDTO>, Error>
+   *
+   * @see Criteria
+   */
+  async findByCriteriaInCompany(
+    companyId: UniqueID,
+    criteria: Criteria,
+    transaction?: Transaction,
+    options: FindOptions<InferAttributes<SupplierModel>> = {}
+  ): Promise<Result<Collection<SupplierSummary>, Error>> {
+    try {
+      const criteriaConverter = new CriteriaToSequelizeConverter();
+      const query = criteriaConverter.convert(criteria, {
+        searchableFields: [
+          "name",
+          "trade_name",
+          "reference",
+          "tin",
+          "email_primary",
+          "mobile_primary",
+        ],
+        allowedFields: [
+          "name",
+          "trade_name",
+          "reference",
+          "tin",
+          "email_primary",
+          "mobile_primary",
+        ],
+        enableFullText: true,
+        database: this.database,
+        strictMode: true, // fuerza error si ORDER BY no permitido
+      });
+
+      // Normalización defensiva de order/include
+      const normalizedOrder = Array.isArray(options.order)
+        ? options.order
+        : options.order
+          ? [options.order]
+          : [];
+
+      const normalizedInclude = Array.isArray(options.include)
+        ? options.include
+        : options.include
+          ? [options.include]
+          : [];
+
+      query.where = {
+        ...query.where,
+        company_id: companyId.toString(),
+        deleted_at: null,
+      };
+
+      query.order = [...(query.order as OrderItem[]), ...normalizedOrder];
+
+      query.include = normalizedInclude;
+
+      // Reemplazar findAndCountAll por findAll + count (más control y mejor rendimiento)
+      /*
+      const { rows, count } = await SupplierModel.findAndCountAll({
+        ...query,
+        transaction,
+      });*/
+      const [rows, count] = await Promise.all([
+        SupplierModel.findAll({
+          ...query,
+          transaction,
+        }),
+        SupplierModel.count({
+          where: query.where,
+          distinct: true, // evita duplicados por LEFT JOIN
+          transaction,
+        }),
+      ]);
+
+      return this.summaryMapper.mapToReadModelCollection(rows, count);
+    } catch (err: unknown) {
+      return Result.fail(translateSequelizeError(err));
+    }
+  }
+
+  /**
+   *
+   * Elimina o marca como eliminado un proveedor.
+   *
+   * @param companyId - Identificador UUID de la empresa a la que pertenece el proveedor.
+   * @param id - UUID del proveedor a eliminar.
+   * @param transaction - Transacción activa para la operación.
+   * @returns Result<boolean, Error>
+   */
+  async deleteByIdInCompany(
+    companyId: UniqueID,
+    id: UniqueID,
+    transaction: Transaction
+  ): Promise<Result<boolean, Error>> {
+    try {
+      const deleted = await SupplierModel.destroy({
+        where: { id: id.toString(), company_id: companyId.toString() },
+        transaction,
+      });
+
+      if (deleted === 0) {
+        return Result.fail(new EntityNotFoundError("Supplier", "id", id.toString()));
+      }
+
+      return Result.ok(true);
+    } catch (err: unknown) {
+      return Result.fail(translateSequelizeError(err));
+    }
+  }
+}
diff --git a/modules/supplier/src/common/dto/index.ts b/modules/supplier/src/common/dto/index.ts
new file mode 100644
index 00000000..346dac3b
--- /dev/null
+++ b/modules/supplier/src/common/dto/index.ts
@@ -0,0 +1,2 @@
+export * from "./request";
+export * from "./response";
diff --git a/modules/supplier/src/common/dto/request/create-supplier.request.dto.ts b/modules/supplier/src/common/dto/request/create-supplier.request.dto.ts
new file mode 100644
index 00000000..a40872c7
--- /dev/null
+++ b/modules/supplier/src/common/dto/request/create-supplier.request.dto.ts
@@ -0,0 +1,33 @@
+import { z } from "zod/v4";
+
+export const CreateSupplierRequestSchema = z.object({
+  id: z.string().nonempty(),
+
+  reference: z.string().optional(),
+  is_company: z.string().toLowerCase().default("true"),
+  name: z.string(),
+  trade_name: z.string().optional(),
+  tin: z.string().optional(),
+
+  street: z.string().optional(),
+  street2: z.string().optional(),
+  city: z.string().optional(),
+  province: z.string().optional(),
+  postal_code: z.string().optional(),
+  country: z.string().toLowerCase().default("es").optional(),
+
+  email_primary: z.string().optional(),
+  email_secondary: z.string().optional(),
+  phone_primary: z.string().optional(),
+  phone_secondary: z.string().optional(),
+  mobile_primary: z.string().optional(),
+  mobile_secondary: z.string().optional(),
+
+  fax: z.string().optional(),
+  website: z.string().optional(),
+
+  language_code: z.string().toLowerCase().default("es"),
+  currency_code: z.string().toUpperCase().default("EUR"),
+});
+
+export type CreateSupplierRequestDTO = z.infer<typeof CreateSupplierRequestSchema>;
diff --git a/modules/supplier/src/common/dto/request/delete-supplier-by-id.request.dto.ts b/modules/supplier/src/common/dto/request/delete-supplier-by-id.request.dto.ts
new file mode 100644
index 00000000..64373e05
--- /dev/null
+++ b/modules/supplier/src/common/dto/request/delete-supplier-by-id.request.dto.ts
@@ -0,0 +1,13 @@
+import { z } from "zod/v4";
+
+/**
+ * Este DTO es utilizado por el endpoint:
+ * `DELETE /suppliers/:id` (eliminar una factura por ID).
+ *
+ */
+
+export const DeleteSupplierByIdRequestSchema = z.object({
+  supplier_id: z.string(),
+});
+
+export type DeleteSupplierByIdRequestDTO = z.infer<typeof DeleteSupplierByIdRequestSchema>;
diff --git a/modules/supplier/src/common/dto/request/get-supplier-by-id.request.dto.ts b/modules/supplier/src/common/dto/request/get-supplier-by-id.request.dto.ts
new file mode 100644
index 00000000..5286f1f0
--- /dev/null
+++ b/modules/supplier/src/common/dto/request/get-supplier-by-id.request.dto.ts
@@ -0,0 +1,13 @@
+import { z } from "zod/v4";
+
+/**
+ * Este DTO es utilizado por el endpoint:
+ * `GET /suppliers/:supplier_id` (consultar una factura por ID).
+ *
+ */
+
+export const GetSupplierByIdRequestSchema = z.object({
+  supplier_id: z.string(),
+});
+
+export type GetSupplierByIdRequestDTO = z.infer<typeof GetSupplierByIdRequestSchema>;
diff --git a/modules/supplier/src/common/dto/request/index.ts b/modules/supplier/src/common/dto/request/index.ts
new file mode 100644
index 00000000..467c0e4b
--- /dev/null
+++ b/modules/supplier/src/common/dto/request/index.ts
@@ -0,0 +1,5 @@
+export * from "./create-supplier.request.dto";
+export * from "./delete-supplier-by-id.request.dto";
+export * from "./get-supplier-by-id.request.dto";
+export * from "./supplier-list.request.dto";
+export * from "./update-supplier-by-id.request.dto";
diff --git a/modules/supplier/src/common/dto/request/supplier-list.request.dto.ts b/modules/supplier/src/common/dto/request/supplier-list.request.dto.ts
new file mode 100644
index 00000000..78b38793
--- /dev/null
+++ b/modules/supplier/src/common/dto/request/supplier-list.request.dto.ts
@@ -0,0 +1,5 @@
+import { CriteriaSchema } from "@erp/core";
+import type { z } from "zod/v4";
+
+export const SupplierListRequestSchema = CriteriaSchema;
+export type SupplierListRequestDTO = z.infer<typeof SupplierListRequestSchema>;
diff --git a/modules/supplier/src/common/dto/request/update-supplier-by-id.request.dto.ts b/modules/supplier/src/common/dto/request/update-supplier-by-id.request.dto.ts
new file mode 100644
index 00000000..53e7c026
--- /dev/null
+++ b/modules/supplier/src/common/dto/request/update-supplier-by-id.request.dto.ts
@@ -0,0 +1,36 @@
+import { z } from "zod/v4";
+
+export const UpdateSupplierByIdParamsRequestSchema = z.object({
+  supplier_id: z.string(),
+});
+
+export const UpdateSupplierByIdRequestSchema = z.object({
+  reference: z.string().optional(),
+
+  is_company: z.string().optional(),
+  name: z.string().optional(),
+  trade_name: z.string().optional(),
+  tin: z.string().optional(),
+
+  street: z.string().optional(),
+  street2: z.string().optional(),
+  city: z.string().optional(),
+  province: z.string().optional(),
+  postal_code: z.string().optional(),
+  country: z.string().optional(),
+
+  email_primary: z.string().optional(),
+  email_secondary: z.string().optional(),
+  phone_primary: z.string().optional(),
+  phone_secondary: z.string().optional(),
+  mobile_primary: z.string().optional(),
+  mobile_secondary: z.string().optional(),
+
+  fax: z.string().optional(),
+  website: z.string().optional(),
+
+  language_code: z.string().optional(),
+  currency_code: z.string().optional(),
+});
+
+export type UpdateSupplierByIdRequestDTO = Partial<z.infer<typeof UpdateSupplierByIdRequestSchema>>;
diff --git a/modules/supplier/src/common/dto/response/create-supplier.result.dto.ts b/modules/supplier/src/common/dto/response/create-supplier.result.dto.ts
new file mode 100644
index 00000000..e45ba41b
--- /dev/null
+++ b/modules/supplier/src/common/dto/response/create-supplier.result.dto.ts
@@ -0,0 +1,7 @@
+import {
+  type GetSupplierByIdResponseDTO,
+  GetSupplierByIdResponseSchema,
+} from "./get-supplier-by-id.response.dto";
+
+export const CreateSupplierResponseSchema = GetSupplierByIdResponseSchema;
+export type SupplierCreationResponseDTO = GetSupplierByIdResponseDTO;
diff --git a/modules/supplier/src/common/dto/response/get-supplier-by-id.response.dto.ts b/modules/supplier/src/common/dto/response/get-supplier-by-id.response.dto.ts
new file mode 100644
index 00000000..de721ed0
--- /dev/null
+++ b/modules/supplier/src/common/dto/response/get-supplier-by-id.response.dto.ts
@@ -0,0 +1,41 @@
+import { MetadataSchema } from "@erp/core";
+import { z } from "zod/v4";
+
+export const GetSupplierByIdResponseSchema = z.object({
+  id: z.uuid(),
+  company_id: z.uuid(),
+  reference: z.string(),
+
+  is_company: z.string(),
+  name: z.string(),
+  trade_name: z.string(),
+  tin: z.string(),
+
+  street: z.string(),
+  street2: z.string(),
+  city: z.string(),
+  province: z.string(),
+  postal_code: z.string(),
+  country: z.string(),
+
+  email_primary: z.string(),
+  email_secondary: z.string(),
+  phone_primary: z.string(),
+  phone_secondary: z.string(),
+  mobile_primary: z.string(),
+  mobile_secondary: z.string(),
+
+  fax: z.string(),
+  website: z.string(),
+
+  legal_record: z.string(),
+
+  default_taxes: z.array(z.string()),
+  status: z.string(),
+  language_code: z.string(),
+  currency_code: z.string(),
+
+  metadata: MetadataSchema.optional(),
+});
+
+export type GetSupplierByIdResponseDTO = z.infer<typeof GetSupplierByIdResponseSchema>;
diff --git a/modules/supplier/src/common/dto/response/index.ts b/modules/supplier/src/common/dto/response/index.ts
new file mode 100644
index 00000000..6c44db8f
--- /dev/null
+++ b/modules/supplier/src/common/dto/response/index.ts
@@ -0,0 +1,4 @@
+export * from "./create-supplier.result.dto";
+export * from "./get-supplier-by-id.response.dto";
+export * from "./list-suppliers.response.dto";
+export * from "./update-supplier-by-id.response.dto";
diff --git a/modules/supplier/src/common/dto/response/list-suppliers.response.dto.ts b/modules/supplier/src/common/dto/response/list-suppliers.response.dto.ts
new file mode 100644
index 00000000..134d3c0d
--- /dev/null
+++ b/modules/supplier/src/common/dto/response/list-suppliers.response.dto.ts
@@ -0,0 +1,39 @@
+import { MetadataSchema, createPaginatedListSchema } from "@erp/core";
+import { z } from "zod/v4";
+
+export const ListSuppliersResponseSchema = createPaginatedListSchema(
+  z.object({
+    id: z.uuid(),
+    company_id: z.uuid(),
+    status: z.string(),
+    reference: z.string(),
+
+    is_company: z.string(),
+    name: z.string(),
+    trade_name: z.string(),
+    tin: z.string(),
+
+    street: z.string(),
+    street2: z.string(),
+    city: z.string(),
+    province: z.string(),
+    postal_code: z.string(),
+    country: z.string(),
+
+    email_primary: z.string(),
+    email_secondary: z.string(),
+    phone_primary: z.string(),
+    phone_secondary: z.string(),
+    mobile_primary: z.string(),
+    mobile_secondary: z.string(),
+    fax: z.string(),
+    website: z.string(),
+
+    language_code: z.string(),
+    currency_code: z.string(),
+
+    metadata: MetadataSchema.optional(),
+  })
+);
+
+export type ListSuppliersResponseDTO = z.infer<typeof ListSuppliersResponseSchema>;
diff --git a/modules/supplier/src/common/dto/response/update-supplier-by-id.response.dto.ts b/modules/supplier/src/common/dto/response/update-supplier-by-id.response.dto.ts
new file mode 100644
index 00000000..603edbef
--- /dev/null
+++ b/modules/supplier/src/common/dto/response/update-supplier-by-id.response.dto.ts
@@ -0,0 +1,37 @@
+import { MetadataSchema } from "@erp/core";
+import { z } from "zod/v4";
+
+export const UpdateSupplierByIdResponseSchema = z.object({
+  id: z.uuid(),
+  company_id: z.uuid(),
+  reference: z.string(),
+
+  is_company: z.string(),
+  name: z.string(),
+  trade_name: z.string(),
+  tin: z.string(),
+
+  street: z.string(),
+  street2: z.string(),
+  city: z.string(),
+  province: z.string(),
+  postal_code: z.string(),
+  country: z.string(),
+
+  email_primary: z.string(),
+  email_secondary: z.string(),
+  phone_primary: z.string(),
+  phone_secondary: z.string(),
+  mobile_primary: z.string(),
+  mobile_secondary: z.string(),
+
+  fax: z.string(),
+  website: z.string(),
+
+  language_code: z.string(),
+  currency_code: z.string(),
+
+  metadata: MetadataSchema.optional(),
+});
+
+export type UpdateSupplierByIdResponseDTO = z.infer<typeof UpdateSupplierByIdResponseSchema>;
diff --git a/modules/supplier/src/common/index.ts b/modules/supplier/src/common/index.ts
new file mode 100644
index 00000000..0392b1b4
--- /dev/null
+++ b/modules/supplier/src/common/index.ts
@@ -0,0 +1 @@
+export * from "./dto";
diff --git a/modules/supplier/tsconfig.json b/modules/supplier/tsconfig.json
new file mode 100644
index 00000000..4b17fbe2
--- /dev/null
+++ b/modules/supplier/tsconfig.json
@@ -0,0 +1,33 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "@erp/suppliers/*": ["./src/*"]
+    },
+
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
+    "target": "ES2022",
+    "useDefineForClassFields": true,
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "isolatedModules": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+    "jsx": "react-jsx",
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["src"],
+  "exclude": ["node_modules"]
+}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index be904869..78acfccb 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -62,6 +62,9 @@ importers:
       '@erp/factuges':
         specifier: workspace:*
         version: link:../../modules/factuges
+      '@erp/suppliers':
+        specifier: workspace:*
+        version: link:../../modules/supplier
       '@repo/rdx-logger':
         specifier: workspace:*
         version: link:../../packages/rdx-logger
@@ -691,6 +694,46 @@ importers:
         specifier: ^5.9.3
         version: 5.9.3
 
+  modules/supplier:
+    dependencies:
+      '@erp/auth':
+        specifier: workspace:*
+        version: link:../auth
+      '@erp/core':
+        specifier: workspace:*
+        version: link:../core
+      '@repo/i18next':
+        specifier: workspace:*
+        version: link:../../packages/i18n
+      '@repo/rdx-criteria':
+        specifier: workspace:*
+        version: link:../../packages/rdx-criteria
+      '@repo/rdx-ddd':
+        specifier: workspace:*
+        version: link:../../packages/rdx-ddd
+      '@repo/rdx-logger':
+        specifier: workspace:*
+        version: link:../../packages/rdx-logger
+      '@repo/rdx-utils':
+        specifier: workspace:*
+        version: link:../../packages/rdx-utils
+      express:
+        specifier: ^4.18.2
+        version: 4.21.2
+      sequelize:
+        specifier: ^6.37.5
+        version: 6.37.7(mysql2@3.15.3)(pg-hstore@2.3.4)
+      zod:
+        specifier: ^4.1.11
+        version: 4.1.12
+    devDependencies:
+      '@types/express':
+        specifier: ^4.17.21
+        version: 4.17.25
+      typescript:
+        specifier: ^5.9.3
+        version: 5.9.3
+
   modules/supplier-invoices:
     dependencies:
       '@erp/auth':