diff --git a/packages/customer/integration-tests/__tests__/services/customer-module/index.spec.ts b/packages/customer/integration-tests/__tests__/services/customer-module/index.spec.ts
index dab64d59be..cadd6c2b9a 100644
--- a/packages/customer/integration-tests/__tests__/services/customer-module/index.spec.ts
+++ b/packages/customer/integration-tests/__tests__/services/customer-module/index.spec.ts
@@ -309,4 +309,104 @@ describe("Customer Module Service", () => {
       }
     })
   })
+
+  describe("update", () => {
+    it("should update a single customer", async () => {
+      const [customer] = await service.create([
+        { first_name: "John", last_name: "Doe", email: "john.doe@example.com" },
+      ])
+
+      const updateData = { first_name: "Jonathan" }
+      const updatedCustomer = await service.update(customer.id, updateData)
+
+      expect(updatedCustomer).toEqual(
+        expect.objectContaining({ id: customer.id, first_name: "Jonathan" })
+      )
+    })
+
+    it("should update multiple customers by IDs", async () => {
+      const customers = await service.create([
+        { first_name: "John", last_name: "Doe", email: "john.doe@example.com" },
+        {
+          first_name: "Jane",
+          last_name: "Smith",
+          email: "jane.smith@example.com",
+        },
+      ])
+
+      const updateData = { last_name: "Updated" }
+      const customerIds = customers.map((customer) => customer.id)
+      const updatedCustomers = await service.update(customerIds, updateData)
+
+      updatedCustomers.forEach((updatedCustomer) => {
+        expect(updatedCustomer).toEqual(
+          expect.objectContaining({ last_name: "Updated" })
+        )
+      })
+    })
+
+    it("should update customers using a selector", async () => {
+      await service.create([
+        { first_name: "John", last_name: "Doe", email: "john.doe@example.com" },
+        { first_name: "Jane", last_name: "Doe", email: "jane.doe@example.com" },
+      ])
+
+      const selector = { last_name: "Doe" }
+      const updateData = { last_name: "Updated" }
+      const updatedCustomers = await service.update(selector, updateData)
+
+      updatedCustomers.forEach((updatedCustomer) => {
+        expect(updatedCustomer).toEqual(
+          expect.objectContaining({ last_name: "Updated" })
+        )
+      })
+    })
+  })
+
+  describe("delete", () => {
+    it("should delete a single customer", async () => {
+      const [customer] = await service.create([
+        { first_name: "John", last_name: "Doe", email: "john.doe@example.com" },
+      ])
+
+      await service.delete(customer.id)
+
+      await expect(service.retrieve(customer.id)).rejects.toThrow(
+        `Customer with id: ${customer.id} was not found`
+      )
+    })
+
+    it("should delete multiple customers by IDs", async () => {
+      const customers = await service.create([
+        { first_name: "John", last_name: "Doe", email: "john.doe@example.com" },
+        {
+          first_name: "Jane",
+          last_name: "Smith",
+          email: "jane.smith@example.com",
+        },
+      ])
+
+      const customerIds = customers.map((customer) => customer.id)
+      await service.delete(customerIds)
+
+      for (const customer of customers) {
+        await expect(service.retrieve(customer.id)).rejects.toThrow(
+          `Customer with id: ${customer.id} was not found`
+        )
+      }
+    })
+
+    it("should delete customers using a selector", async () => {
+      await service.create([
+        { first_name: "John", last_name: "Doe", email: "john.doe@example.com" },
+        { first_name: "Jane", last_name: "Doe", email: "jane.doe@example.com" },
+      ])
+
+      const selector = { last_name: "Doe" }
+      await service.delete(selector)
+
+      const remainingCustomers = await service.list({ last_name: "Doe" })
+      expect(remainingCustomers.length).toBe(0)
+    })
+  })
 })
diff --git a/packages/customer/src/services/customer-module.ts b/packages/customer/src/services/customer-module.ts
index 777b8c17c1..0a1c5dc16c 100644
--- a/packages/customer/src/services/customer-module.ts
+++ b/packages/customer/src/services/customer-module.ts
@@ -12,6 +12,8 @@ import {
   InjectManager,
   InjectTransactionManager,
   MedusaContext,
+  isString,
+  isObject,
 } from "@medusajs/utils"
 import { joinerConfig } from "../joiner-config"
 import * as services from "../services"
@@ -91,22 +93,101 @@ export default class CustomerModuleService implements ICustomerModuleService {
   ) {
     const data = Array.isArray(dataOrArray) ? dataOrArray : [dataOrArray]
     const customer = await this.customerService_.create(data, sharedContext)
+    const serialized = await this.baseRepository_.serialize<
+      CustomerTypes.CustomerDTO[]
+    >(customer, {
+      populate: true,
+    })
+    return Array.isArray(dataOrArray) ? serialized : serialized[0]
+  }
 
-    if (Array.isArray(dataOrArray)) {
-      return await this.baseRepository_.serialize<CustomerTypes.CustomerDTO[]>(
-        customer,
+  update(
+    customerId: string,
+    data: Partial<CustomerTypes.CreateCustomerDTO>,
+    sharedContext?: Context
+  ): Promise<CustomerTypes.CustomerDTO>
+  update(
+    customerIds: string[],
+    data: Partial<CustomerTypes.CreateCustomerDTO>,
+    sharedContext?: Context
+  ): Promise<CustomerTypes.CustomerDTO[]>
+  update(
+    selector: CustomerTypes.FilterableCustomerProps,
+    data: Partial<CustomerTypes.CreateCustomerDTO>,
+    sharedContext?: Context
+  ): Promise<CustomerTypes.CustomerDTO[]>
+
+  @InjectTransactionManager("baseRepository_")
+  async update(
+    idsOrSelector: string | string[] | CustomerTypes.FilterableCustomerProps,
+    data: Partial<CustomerTypes.CreateCustomerDTO>,
+    @MedusaContext() sharedContext: Context = {}
+  ) {
+    let updateData: CustomerTypes.UpdateCustomerDTO[] = []
+    if (typeof idsOrSelector === "string") {
+      updateData = [
         {
-          populate: true,
-        }
+          id: idsOrSelector,
+          ...data,
+        },
+      ]
+    } else if (Array.isArray(idsOrSelector)) {
+      updateData = idsOrSelector.map((id) => ({
+        id,
+        ...data,
+      }))
+    } else {
+      const ids = await this.customerService_.list(
+        idsOrSelector,
+        { select: ["id"] },
+        sharedContext
       )
+      updateData = ids.map(({ id }) => ({
+        id,
+        ...data,
+      }))
     }
 
-    return await this.baseRepository_.serialize<CustomerTypes.CustomerDTO>(
-      customer[0],
-      {
-        populate: true,
-      }
+    const customers = await this.customerService_.update(
+      updateData,
+      sharedContext
     )
+    const serialized = await this.baseRepository_.serialize<
+      CustomerTypes.CustomerDTO[]
+    >(customers, {
+      populate: true,
+    })
+
+    return isString(idsOrSelector) ? serialized[0] : serialized
+  }
+
+  delete(customerId: string, sharedContext?: Context): Promise<void>
+  delete(customerIds: string[], sharedContext?: Context): Promise<void>
+  delete(
+    selector: CustomerTypes.FilterableCustomerProps,
+    sharedContext?: Context
+  ): Promise<void>
+
+  @InjectTransactionManager("baseRepository_")
+  async delete(
+    idsOrSelector: string | string[] | CustomerTypes.FilterableCustomerProps,
+    @MedusaContext() sharedContext: Context = {}
+  ) {
+    let toDelete = Array.isArray(idsOrSelector)
+      ? idsOrSelector
+      : [idsOrSelector as string]
+    if (isObject(idsOrSelector)) {
+      const ids = await this.customerService_.list(
+        idsOrSelector,
+        {
+          select: ["id"],
+        },
+        sharedContext
+      )
+      toDelete = ids.map(({ id }) => id)
+    }
+
+    return await this.customerService_.delete(toDelete, sharedContext)
   }
 
   @InjectManager("baseRepository_")
@@ -174,19 +255,13 @@ export default class CustomerModuleService implements ICustomerModuleService {
       : [dataOrArrayOfData]
 
     const groups = await this.customerGroupService_.create(data, sharedContext)
+    const serialized = await this.baseRepository_.serialize<
+      CustomerTypes.CustomerGroupDTO[]
+    >(groups, {
+      populate: true,
+    })
 
-    if (Array.isArray(dataOrArrayOfData)) {
-      return await this.baseRepository_.serialize<
-        CustomerTypes.CustomerGroupDTO[]
-      >(groups, {
-        populate: true,
-      })
-    }
-
-    return await this.baseRepository_.serialize<CustomerTypes.CustomerGroupDTO>(
-      groups[0],
-      { populate: true }
-    )
+    return Array.isArray(dataOrArrayOfData) ? serialized : serialized[0]
   }
 
   async addCustomerToGroup(
diff --git a/packages/customer/src/services/customer.ts b/packages/customer/src/services/customer.ts
index 03523ee1b8..3aec4769e4 100644
--- a/packages/customer/src/services/customer.ts
+++ b/packages/customer/src/services/customer.ts
@@ -1,16 +1,19 @@
-import { CreateCustomerDTO, DAL } from "@medusajs/types"
+import { CustomerTypes, DAL } from "@medusajs/types"
 import { ModulesSdkUtils } from "@medusajs/utils"
 import { Customer } from "@models"
 
 type InjectedDependencies = {
-  cartRepository: DAL.RepositoryService
+  customerRepository: DAL.RepositoryService
 }
 
 export default class CustomerService<
   TEntity extends Customer = Customer
 > extends ModulesSdkUtils.abstractServiceFactory<
   InjectedDependencies,
-  { create: CreateCustomerDTO }
+  {
+    create: CustomerTypes.CreateCustomerDTO
+    update: CustomerTypes.UpdateCustomerDTO
+  }
 >(Customer)<TEntity> {
   constructor(container: InjectedDependencies) {
     // @ts-ignore
diff --git a/packages/types/src/customer/mutations.ts b/packages/types/src/customer/mutations.ts
index b01a063a9d..929b4f8734 100644
--- a/packages/types/src/customer/mutations.ts
+++ b/packages/types/src/customer/mutations.ts
@@ -9,6 +9,7 @@ export interface CreateCustomerDTO {
 }
 
 export interface UpdateCustomerDTO {
+  id: string
   company_name?: string
   first_name?: string
   last_name?: string
@@ -28,6 +29,24 @@ export interface CustomerGroupUpdatableFileds {
   metadata?: Record<string, unknown> | null
 }
 
+export interface UpdateCustomerGroupDTO {
+  id?: string
+  name?: string
+  customer_ids?: string[]
+  metadata?: Record<string, unknown> | null
+}
+
+export interface CreateCustomerGroupDTO {
+  name: string
+  metadata?: Record<string, unknown> | null
+  created_by?: string
+}
+
+export interface CustomerGroupUpdatableFileds {
+  name?: string
+  metadata?: Record<string, unknown> | null
+}
+
 export interface UpdateCustomerGroupDTO {
   id?: string
   name?: string
diff --git a/packages/types/src/customer/service.ts b/packages/types/src/customer/service.ts
index f478024e46..c13608f92d 100644
--- a/packages/types/src/customer/service.ts
+++ b/packages/types/src/customer/service.ts
@@ -24,6 +24,29 @@ export interface ICustomerModuleService extends IModuleService {
 
   create(data: CreateCustomerDTO, sharedContext?: Context): Promise<CustomerDTO>
 
+  update(
+    customerId: string,
+    data: Partial<CreateCustomerDTO>,
+    sharedContext?: Context
+  ): Promise<CustomerDTO>
+  update(
+    customerIds: string[],
+    data: Partial<CreateCustomerDTO>,
+    sharedContext?: Context
+  ): Promise<CustomerDTO[]>
+  update(
+    selector: FilterableCustomerProps,
+    data: Partial<CreateCustomerDTO>,
+    sharedContext?: Context
+  ): Promise<CustomerDTO[]>
+
+  delete(customerId: string, sharedContext?: Context): Promise<void>
+  delete(customerIds: string[], sharedContext?: Context): Promise<void>
+  delete(
+    selector: FilterableCustomerProps,
+    sharedContext?: Context
+  ): Promise<void>
+
   createCustomerGroup(
     data: CreateCustomerGroupDTO[],
     sharedContext?: Context