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 40c87afeb2..3b55fb9047 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
@@ -418,6 +418,91 @@ describe("Customer Module Service", () => {
       const remainingCustomers = await service.list({ last_name: "Doe" })
       expect(remainingCustomers.length).toBe(0)
     })
+
+    it("should cascade relationship when deleting customer", async () => {
+      // Creating a customer and a group
+      const customer = await service.create({
+        first_name: "John",
+        last_name: "Doe",
+      })
+      const group = await service.createCustomerGroup({ name: "VIP" })
+
+      // Adding the customer to the groups
+      await service.addCustomerToGroup({
+        customer_id: customer.id,
+        customer_group_id: group.id,
+      })
+
+      await service.delete(customer.id)
+
+      const res = await service.listCustomerGroupRelations({
+        customer_id: customer.id,
+        customer_group_id: group.id,
+      })
+      expect(res.length).toBe(0)
+    })
+  })
+
+  describe("deleteCustomerGroup", () => {
+    it("should delete a single customer group", async () => {
+      const [group] = await service.createCustomerGroup([{ name: "VIP" }])
+      await service.deleteCustomerGroup(group.id)
+
+      await expect(
+        service.retrieveCustomerGroup(group.id)
+      ).rejects.toThrowError(`CustomerGroup with id: ${group.id} was not found`)
+    })
+
+    it("should delete multiple customer groups by IDs", async () => {
+      const groups = await service.createCustomerGroup([
+        { name: "VIP" },
+        { name: "Regular" },
+      ])
+
+      const groupIds = groups.map((group) => group.id)
+      await service.deleteCustomerGroup(groupIds)
+
+      for (const group of groups) {
+        await expect(
+          service.retrieveCustomerGroup(group.id)
+        ).rejects.toThrowError(
+          `CustomerGroup with id: ${group.id} was not found`
+        )
+      }
+    })
+
+    it("should delete customer groups using a selector", async () => {
+      await service.createCustomerGroup([{ name: "VIP" }, { name: "Regular" }])
+
+      const selector = { name: "VIP" }
+      await service.deleteCustomerGroup(selector)
+
+      const remainingGroups = await service.listCustomerGroups({ name: "VIP" })
+      expect(remainingGroups.length).toBe(0)
+    })
+
+    it("should cascade relationship when deleting customer group", async () => {
+      // Creating a customer and a group
+      const customer = await service.create({
+        first_name: "John",
+        last_name: "Doe",
+      })
+      const group = await service.createCustomerGroup({ name: "VIP" })
+
+      // Adding the customer to the groups
+      await service.addCustomerToGroup({
+        customer_id: customer.id,
+        customer_group_id: group.id,
+      })
+
+      await service.deleteCustomerGroup(group.id)
+
+      const res = await service.listCustomerGroupRelations({
+        customer_id: customer.id,
+        customer_group_id: group.id,
+      })
+      expect(res.length).toBe(0)
+    })
   })
 
   describe("removeCustomerFromGroup", () => {
@@ -496,4 +581,172 @@ describe("Customer Module Service", () => {
       }
     })
   })
+
+  describe("softDelete", () => {
+    it("should soft delete a single customer", async () => {
+      const [customer] = await service.create([
+        { first_name: "John", last_name: "Doe" },
+      ])
+      await service.softDelete([customer.id])
+
+      const res = await service.list({ id: customer.id })
+      expect(res.length).toBe(0)
+
+      const deletedCustomer = await service.retrieve(customer.id, {
+        withDeleted: true,
+      })
+
+      expect(deletedCustomer.deleted_at).not.toBeNull()
+    })
+
+    it("should soft delete multiple customers", async () => {
+      const customers = await service.create([
+        { first_name: "John", last_name: "Doe" },
+        { first_name: "Jane", last_name: "Smith" },
+      ])
+      const customerIds = customers.map((customer) => customer.id)
+      await service.softDelete(customerIds)
+
+      const res = await service.list({ id: customerIds })
+      expect(res.length).toBe(0)
+
+      const deletedCustomers = await service.list(
+        { id: customerIds },
+        { withDeleted: true }
+      )
+      expect(deletedCustomers.length).toBe(2)
+    })
+
+    it("should remove customer in group relation", async () => {
+      // Creating a customer and a group
+      const customer = await service.create({
+        first_name: "John",
+        last_name: "Doe",
+      })
+      const group = await service.createCustomerGroup({ name: "VIP" })
+
+      // Adding the customer to the group
+      await service.addCustomerToGroup({
+        customer_id: customer.id,
+        customer_group_id: group.id,
+      })
+
+      await service.softDelete([customer.id])
+
+      const resGroup = await service.retrieveCustomerGroup(group.id, {
+        relations: ["customers"],
+      })
+      expect(resGroup.customers?.length).toBe(0)
+    })
+  })
+
+  describe("restore", () => {
+    it("should restore a single customer", async () => {
+      const [customer] = await service.create([
+        { first_name: "John", last_name: "Doe" },
+      ])
+      await service.softDelete([customer.id])
+
+      const res = await service.list({ id: customer.id })
+      expect(res.length).toBe(0)
+
+      await service.restore([customer.id])
+
+      const restoredCustomer = await service.retrieve(customer.id, {
+        withDeleted: true,
+      })
+      expect(restoredCustomer.deleted_at).toBeNull()
+    })
+
+    it("should restore multiple customers", async () => {
+      const customers = await service.create([
+        { first_name: "John", last_name: "Doe" },
+        { first_name: "Jane", last_name: "Smith" },
+      ])
+      const customerIds = customers.map((customer) => customer.id)
+      await service.softDelete(customerIds)
+
+      const res = await service.list({ id: customerIds })
+      expect(res.length).toBe(0)
+
+      await service.restore(customerIds)
+
+      const restoredCustomers = await service.list(
+        { id: customerIds },
+        { withDeleted: true }
+      )
+      expect(restoredCustomers.length).toBe(2)
+    })
+  })
+
+  describe("softDeleteCustomerGroup", () => {
+    it("should soft delete a single customer group", async () => {
+      const [group] = await service.createCustomerGroup([{ name: "VIP" }])
+      await service.softDeleteCustomerGroup([group.id])
+
+      const res = await service.listCustomerGroups({ id: group.id })
+      expect(res.length).toBe(0)
+
+      const deletedGroup = await service.retrieveCustomerGroup(group.id, {
+        withDeleted: true,
+      })
+
+      expect(deletedGroup.deleted_at).not.toBeNull()
+    })
+
+    it("should soft delete multiple customer groups", async () => {
+      const groups = await service.createCustomerGroup([
+        { name: "VIP" },
+        { name: "Regular" },
+      ])
+      const groupIds = groups.map((group) => group.id)
+      await service.softDeleteCustomerGroup(groupIds)
+
+      const res = await service.listCustomerGroups({ id: groupIds })
+      expect(res.length).toBe(0)
+
+      const deletedGroups = await service.listCustomerGroups(
+        { id: groupIds },
+        { withDeleted: true }
+      )
+      expect(deletedGroups.length).toBe(2)
+    })
+  })
+
+  describe("restoreCustomerGroup", () => {
+    it("should restore a single customer group", async () => {
+      const [group] = await service.createCustomerGroup([{ name: "VIP" }])
+      await service.softDeleteCustomerGroup([group.id])
+
+      const res = await service.listCustomerGroups({ id: group.id })
+      expect(res.length).toBe(0)
+
+      await service.restoreCustomerGroup([group.id])
+
+      const restoredGroup = await service.retrieveCustomerGroup(group.id, {
+        withDeleted: true,
+      })
+      expect(restoredGroup.deleted_at).toBeNull()
+    })
+
+    it("should restore multiple customer groups", async () => {
+      const groups = await service.createCustomerGroup([
+        { name: "VIP" },
+        { name: "Regular" },
+      ])
+      const groupIds = groups.map((group) => group.id)
+      await service.softDeleteCustomerGroup(groupIds)
+
+      const res = await service.listCustomerGroups({ id: groupIds })
+      expect(res.length).toBe(0)
+
+      await service.restoreCustomerGroup(groupIds)
+
+      const restoredGroups = await service.listCustomerGroups(
+        { id: groupIds },
+        { withDeleted: true }
+      )
+      expect(restoredGroups.length).toBe(2)
+    })
+  })
 })
diff --git a/packages/customer/src/joiner-config.ts b/packages/customer/src/joiner-config.ts
index 4fed5e99df..a4c13525dc 100644
--- a/packages/customer/src/joiner-config.ts
+++ b/packages/customer/src/joiner-config.ts
@@ -1,10 +1,11 @@
 import { Modules } from "@medusajs/modules-sdk"
 import { ModuleJoinerConfig } from "@medusajs/types"
 import { MapToConfig } from "@medusajs/utils"
-import { Customer } from "@models"
+import { Customer, CustomerGroup } from "@models"
 
 export const LinkableKeys = {
   customer_id: Customer.name,
+  customer_group_id: CustomerGroup.name,
 }
 
 const entityLinkableKeysMap: MapToConfig = {}
diff --git a/packages/customer/src/models/customer-group-customer.ts b/packages/customer/src/models/customer-group-customer.ts
index 35e3fbfa02..94602e6693 100644
--- a/packages/customer/src/models/customer-group-customer.ts
+++ b/packages/customer/src/models/customer-group-customer.ts
@@ -1,6 +1,7 @@
 import { DAL } from "@medusajs/types"
 import { generateEntityId } from "@medusajs/utils"
 import {
+  Cascade,
   BeforeCreate,
   ManyToOne,
   Entity,
@@ -32,6 +33,7 @@ export default class CustomerGroupCustomer {
     fieldName: "customer_id",
     index: "IDX_customer_group_customer_customer_id",
     nullable: true,
+    cascade: [Cascade.REMOVE],
   })
   customer: Customer | null
 
@@ -40,6 +42,7 @@ export default class CustomerGroupCustomer {
     fieldName: "customer_group_id",
     index: "IDX_customer_group_customer_group_id",
     nullable: true,
+    cascade: [Cascade.REMOVE],
   })
   customer_group: CustomerGroup | null
 
diff --git a/packages/customer/src/models/customer-group.ts b/packages/customer/src/models/customer-group.ts
index 7d219b6df3..c6db5c3486 100644
--- a/packages/customer/src/models/customer-group.ts
+++ b/packages/customer/src/models/customer-group.ts
@@ -1,5 +1,5 @@
 import { DAL } from "@medusajs/types"
-import { generateEntityId } from "@medusajs/utils"
+import { DALUtils, generateEntityId } from "@medusajs/utils"
 import {
   BeforeCreate,
   Entity,
@@ -9,13 +9,15 @@ import {
   Property,
   ManyToMany,
   Collection,
+  Filter,
 } from "@mikro-orm/core"
 import Customer from "./customer"
 import CustomerGroupCustomer from "./customer-group-customer"
 
-type OptionalGroupProps = DAL.EntityDateColumns // TODO: To be revisited when more clear
+type OptionalGroupProps = DAL.SoftDeletableEntityDateColumns // TODO: To be revisited when more clear
 
 @Entity({ tableName: "customer_group" })
+@Filter(DALUtils.mikroOrmSoftDeletableFilterOptions)
 export default class CustomerGroup {
   [OptionalProps]: OptionalGroupProps
 
@@ -52,6 +54,9 @@ export default class CustomerGroup {
   })
   updated_at: Date
 
+  @Property({ columnType: "timestamptz", nullable: true })
+  deleted_at: Date | null = null
+
   @BeforeCreate()
   onCreate() {
     this.id = generateEntityId(this.id, "cusgroup")
diff --git a/packages/customer/src/models/customer.ts b/packages/customer/src/models/customer.ts
index 31bad011cb..3a2a4c6a4a 100644
--- a/packages/customer/src/models/customer.ts
+++ b/packages/customer/src/models/customer.ts
@@ -1,10 +1,11 @@
 import { DAL } from "@medusajs/types"
-import { generateEntityId } from "@medusajs/utils"
+import { DALUtils, generateEntityId } from "@medusajs/utils"
 import {
   BeforeCreate,
   Cascade,
   Collection,
   Entity,
+  Filter,
   Index,
   ManyToMany,
   ManyToOne,
@@ -23,9 +24,10 @@ type OptionalCustomerProps =
   | "addresses"
   | "default_shipping_address"
   | "default_billing_address"
-  | DAL.EntityDateColumns
+  | DAL.SoftDeletableEntityDateColumns
 
 @Entity({ tableName: "customer" })
+@Filter(DALUtils.mikroOrmSoftDeletableFilterOptions)
 export default class Customer {
   [OptionalProps]?: OptionalCustomerProps
 
diff --git a/packages/customer/src/services/customer-module.ts b/packages/customer/src/services/customer-module.ts
index ccaad8af8e..d9d399de91 100644
--- a/packages/customer/src/services/customer-module.ts
+++ b/packages/customer/src/services/customer-module.ts
@@ -6,16 +6,23 @@ import {
   InternalModuleDeclaration,
   ModuleJoinerConfig,
   CustomerTypes,
+  SoftDeleteReturn,
+  RestoreReturn,
 } from "@medusajs/types"
 
 import {
   InjectManager,
   InjectTransactionManager,
   MedusaContext,
+  mapObjectTo,
   isString,
   isObject,
 } from "@medusajs/utils"
-import { joinerConfig } from "../joiner-config"
+import {
+  entityNameToLinkableKeysMap,
+  LinkableKeys,
+  joinerConfig,
+} from "../joiner-config"
 import * as services from "../services"
 
 type InjectedDependencies = {
@@ -264,6 +271,23 @@ export default class CustomerModuleService implements ICustomerModuleService {
     return Array.isArray(dataOrArrayOfData) ? serialized : serialized[0]
   }
 
+  @InjectManager("baseRepository_")
+  async retrieveCustomerGroup(
+    groupId: string,
+    config: FindConfig<CustomerTypes.CustomerGroupDTO> = {},
+    @MedusaContext() sharedContext: Context = {}
+  ) {
+    const group = await this.customerGroupService_.retrieve(
+      groupId,
+      config,
+      sharedContext
+    )
+    return await this.baseRepository_.serialize<CustomerTypes.CustomerGroupDTO>(
+      group,
+      { populate: true }
+    )
+  }
+
   async updateCustomerGroup(
     groupId: string,
     data: Partial<CustomerTypes.CreateCustomerGroupDTO>,
@@ -331,6 +355,39 @@ export default class CustomerModuleService implements ICustomerModuleService {
     >(groups, { populate: true })
   }
 
+  deleteCustomerGroup(groupId: string, sharedContext?: Context): Promise<void>
+  deleteCustomerGroup(
+    groupIds: string[],
+    sharedContext?: Context
+  ): Promise<void>
+  deleteCustomerGroup(
+    selector: CustomerTypes.FilterableCustomerGroupProps,
+    sharedContext?: Context
+  ): Promise<void>
+
+  @InjectTransactionManager("baseRepository_")
+  async deleteCustomerGroup(
+    groupIdOrSelector:
+      | string
+      | string[]
+      | CustomerTypes.FilterableCustomerGroupProps,
+    @MedusaContext() sharedContext: Context = {}
+  ) {
+    let toDelete = Array.isArray(groupIdOrSelector)
+      ? groupIdOrSelector
+      : [groupIdOrSelector as string]
+    if (isObject(groupIdOrSelector)) {
+      const ids = await this.customerGroupService_.list(
+        groupIdOrSelector,
+        { select: ["id"] },
+        sharedContext
+      )
+      toDelete = ids.map(({ id }) => id)
+    }
+
+    return await this.customerGroupService_.delete(toDelete, sharedContext)
+  }
+
   async addCustomerToGroup(
     groupCustomerPair: CustomerTypes.GroupCustomerPair,
     sharedContext?: Context
@@ -382,6 +439,25 @@ export default class CustomerModuleService implements ICustomerModuleService {
     )
   }
 
+  @InjectManager("baseRepository_")
+  async listCustomerGroupRelations(
+    filters?: CustomerTypes.FilterableCustomerGroupCustomerProps,
+    config?: FindConfig<CustomerTypes.CustomerGroupCustomerDTO>,
+    @MedusaContext() sharedContext: Context = {}
+  ) {
+    const groupCustomers = await this.customerGroupCustomerService_.list(
+      filters,
+      config,
+      sharedContext
+    )
+
+    return await this.baseRepository_.serialize<
+      CustomerTypes.CustomerGroupCustomerDTO[]
+    >(groupCustomers, {
+      populate: true,
+    })
+  }
+
   @InjectManager("baseRepository_")
   async listCustomerGroups(
     filters: CustomerTypes.FilterableCustomerGroupProps = {},
@@ -423,4 +499,90 @@ export default class CustomerModuleService implements ICustomerModuleService {
       count,
     ]
   }
+
+  @InjectTransactionManager("baseRepository_")
+  async softDeleteCustomerGroup<
+    TReturnableLinkableKeys extends string = string
+  >(
+    groupIds: string[],
+    config: SoftDeleteReturn<TReturnableLinkableKeys> = {},
+    @MedusaContext() sharedContext: Context = {}
+  ) {
+    const [_, cascadedEntitiesMap] =
+      await this.customerGroupService_.softDelete(groupIds, sharedContext)
+    return config.returnLinkableKeys
+      ? mapObjectTo<Record<TReturnableLinkableKeys, string[]>>(
+          cascadedEntitiesMap,
+          entityNameToLinkableKeysMap,
+          {
+            pick: config.returnLinkableKeys,
+          }
+        )
+      : void 0
+  }
+
+  @InjectTransactionManager("baseRepository_")
+  async restoreCustomerGroup<TReturnableLinkableKeys extends string = string>(
+    groupIds: string[],
+    config: RestoreReturn<TReturnableLinkableKeys> = {},
+    @MedusaContext() sharedContext: Context = {}
+  ) {
+    const [_, cascadedEntitiesMap] = await this.customerGroupService_.restore(
+      groupIds,
+      sharedContext
+    )
+    return config.returnLinkableKeys
+      ? mapObjectTo<Record<TReturnableLinkableKeys, string[]>>(
+          cascadedEntitiesMap,
+          entityNameToLinkableKeysMap,
+          {
+            pick: config.returnLinkableKeys,
+          }
+        )
+      : void 0
+  }
+
+  @InjectTransactionManager("baseRepository_")
+  async softDelete<TReturnableLinkableKeys extends string = string>(
+    customerIds: string[],
+    config: SoftDeleteReturn<TReturnableLinkableKeys> = {},
+    @MedusaContext() sharedContext: Context = {}
+  ) {
+    const [_, cascadedEntitiesMap] = await this.customerService_.softDelete(
+      customerIds,
+      sharedContext
+    )
+
+    return config.returnLinkableKeys
+      ? mapObjectTo<Record<TReturnableLinkableKeys, string[]>>(
+          cascadedEntitiesMap,
+          entityNameToLinkableKeysMap,
+          {
+            pick: config.returnLinkableKeys,
+          }
+        )
+      : void 0
+  }
+
+  @InjectTransactionManager("baseRepository_")
+  async restore<TReturnableLinkableKeys extends string = string>(
+    customerIds: string[],
+    config: RestoreReturn<TReturnableLinkableKeys> = {},
+    @MedusaContext() sharedContext: Context = {}
+  ) {
+    const [_, cascadedEntitiesMap] = await this.customerService_.restore(
+      customerIds,
+      sharedContext
+    )
+
+    return config.returnLinkableKeys
+      ? mapObjectTo<Record<TReturnableLinkableKeys, string[]>>(
+          cascadedEntitiesMap,
+          entityNameToLinkableKeysMap,
+          {
+            pick: config.returnLinkableKeys,
+          }
+        )
+      : void 0
+  }
 }
diff --git a/packages/types/src/customer/common.ts b/packages/types/src/customer/common.ts
index 5aea291312..a4ebbb69c4 100644
--- a/packages/types/src/customer/common.ts
+++ b/packages/types/src/customer/common.ts
@@ -2,27 +2,28 @@ import { BaseFilterable } from "../dal"
 import { OperatorMap } from "../dal/utils"
 import { AddressDTO } from "../address"
 
-export interface CustomerGroupDTO {
-  id: string
-  name: string
-  customers?: Partial<CustomerDTO>[]
-  metadata?: Record<string, unknown>
-  created_by?: string | null
-  deleted_at?: Date | string | null
-  created_at?: Date | string
-  updated_at?: Date | string
-}
-
 export interface FilterableCustomerGroupProps
   extends BaseFilterable<FilterableCustomerGroupProps> {
   id?: string | string[]
-  name?: OperatorMap<string>
+  name?: string | OperatorMap<string>
   customers?: FilterableCustomerProps | string | string[]
   created_by?: string | string[] | null
   created_at?: OperatorMap<string>
   updated_at?: OperatorMap<string>
 }
 
+export interface FilterableCustomerGroupCustomerProps
+  extends BaseFilterable<FilterableCustomerGroupCustomerProps> {
+  id?: string | string[]
+  customer_id?: string | string[]
+  customer_group_id?: string | string[]
+  customer?: FilterableCustomerProps | string | string[]
+  group?: FilterableCustomerGroupProps | string | string[]
+  created_by?: string | string[] | null
+  created_at?: OperatorMap<string>
+  updated_at?: OperatorMap<string>
+}
+
 export interface FilterableCustomerProps
   extends BaseFilterable<FilterableCustomerProps> {
   id?: string | string[]
@@ -38,6 +39,28 @@ export interface FilterableCustomerProps
   updated_at?: OperatorMap<string>
 }
 
+export interface CustomerGroupDTO {
+  id: string
+  name: string
+  customers?: Partial<CustomerDTO>[]
+  metadata?: Record<string, unknown>
+  created_by?: string | null
+  deleted_at?: Date | string | null
+  created_at?: Date | string
+  updated_at?: Date | string
+}
+
+export interface CustomerGroupCustomerDTO {
+  id: string
+  customer_id: string
+  customer_group_id: string
+  customer?: Partial<CustomerDTO>
+  group?: Partial<CustomerGroupDTO>
+  created_by?: string | null
+  created_at?: Date | string
+  updated_at?: Date | string
+}
+
 export interface CustomerDTO {
   id: string
   email: string
@@ -52,6 +75,7 @@ export interface CustomerDTO {
   phone?: string | null
   groups?: { id: string }[]
   metadata?: Record<string, unknown>
+  created_by?: string | null
   deleted_at?: Date | string | null
   created_at?: Date | string
   updated_at?: Date | string
diff --git a/packages/types/src/customer/service.ts b/packages/types/src/customer/service.ts
index f39ef3e8ba..cbbb873dcd 100644
--- a/packages/types/src/customer/service.ts
+++ b/packages/types/src/customer/service.ts
@@ -1,9 +1,12 @@
 import { FindConfig } from "../common"
+import { RestoreReturn, SoftDeleteReturn } from "../dal"
 import { IModuleService } from "../modules-sdk"
 import { Context } from "../shared-context"
 import {
   CustomerDTO,
   CustomerGroupDTO,
+  CustomerGroupCustomerDTO,
+  FilterableCustomerGroupCustomerProps,
   FilterableCustomerProps,
   FilterableCustomerGroupProps,
   GroupCustomerPair,
@@ -21,7 +24,6 @@ export interface ICustomerModuleService extends IModuleService {
     data: CreateCustomerDTO[],
     sharedContext?: Context
   ): Promise<CustomerDTO[]>
-
   create(data: CreateCustomerDTO, sharedContext?: Context): Promise<CustomerDTO>
 
   update(
@@ -57,6 +59,12 @@ export interface ICustomerModuleService extends IModuleService {
     sharedContext?: Context
   ): Promise<CustomerGroupDTO>
 
+  retrieveCustomerGroup(
+    groupId: string,
+    config?: FindConfig<CustomerGroupDTO>,
+    sharedContext?: Context
+  ): Promise<CustomerGroupDTO>
+
   updateCustomerGroup(
     groupId: string,
     data: Partial<CreateCustomerGroupDTO>,
@@ -73,6 +81,16 @@ export interface ICustomerModuleService extends IModuleService {
     sharedContext?: Context
   ): Promise<CustomerGroupDTO[]>
 
+  deleteCustomerGroup(groupId: string, sharedContext?: Context): Promise<void>
+  deleteCustomerGroup(
+    groupIds: string[],
+    sharedContext?: Context
+  ): Promise<void>
+  deleteCustomerGroup(
+    selector: FilterableCustomerGroupProps,
+    sharedContext?: Context
+  ): Promise<void>
+
   addCustomerToGroup(
     groupCustomerPair: GroupCustomerPair,
     sharedContext?: Context
@@ -84,14 +102,20 @@ export interface ICustomerModuleService extends IModuleService {
   ): Promise<{ id: string }[]>
 
   removeCustomerFromGroup(
-    groupCustomerPair: { customer_id: string; customer_group_id: string },
+    groupCustomerPair: GroupCustomerPair,
     sharedContext?: Context
   ): Promise<void>
   removeCustomerFromGroup(
-    groupCustomerPairs: { customer_id: string; customer_group_id: string }[],
+    groupCustomerPairs: GroupCustomerPair[],
     sharedContext?: Context
   ): Promise<void>
 
+  listCustomerGroupRelations(
+    filters?: FilterableCustomerGroupCustomerProps,
+    config?: FindConfig<CustomerGroupCustomerDTO>,
+    sharedContext?: Context
+  ): Promise<CustomerGroupCustomerDTO[]>
+
   list(
     filters?: FilterableCustomerProps,
     config?: FindConfig<CustomerDTO>,
@@ -115,4 +139,28 @@ export interface ICustomerModuleService extends IModuleService {
     config?: FindConfig<CustomerGroupDTO>,
     sharedContext?: Context
   ): Promise<[CustomerGroupDTO[], number]>
+
+  softDelete<TReturnableLinkableKeys extends string = string>(
+    customerIds: string[],
+    config?: SoftDeleteReturn<TReturnableLinkableKeys>,
+    sharedContext?: Context
+  ): Promise<Record<TReturnableLinkableKeys, string[]> | void>
+
+  restore<TReturnableLinkableKeys extends string = string>(
+    customerIds: string[],
+    config?: RestoreReturn<TReturnableLinkableKeys>,
+    sharedContext?: Context
+  ): Promise<Record<TReturnableLinkableKeys, string[]> | void>
+
+  softDeleteCustomerGroup<TReturnableLinkableKeys extends string = string>(
+    groupIds: string[],
+    config?: SoftDeleteReturn<TReturnableLinkableKeys>,
+    sharedContext?: Context
+  ): Promise<Record<TReturnableLinkableKeys, string[]> | void>
+
+  restoreCustomerGroup<TReturnableLinkableKeys extends string = string>(
+    groupIds: string[],
+    config?: RestoreReturn<TReturnableLinkableKeys>,
+    sharedContext?: Context
+  ): Promise<Record<TReturnableLinkableKeys, string[]> | void>
 }