diff --git a/integration-tests/plugins/__tests__/customer-group/admin/batch-add-customers.ts b/integration-tests/plugins/__tests__/customer-group/admin/batch-add-customers.ts
new file mode 100644
index 0000000000000..ed0efa1cce273
--- /dev/null
+++ b/integration-tests/plugins/__tests__/customer-group/admin/batch-add-customers.ts
@@ -0,0 +1,85 @@
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import { ICustomerModuleService } from "@medusajs/types"
+import path from "path"
+import { startBootstrapApp } from "../../../../environment-helpers/bootstrap-app"
+import { useApi } from "../../../../environment-helpers/use-api"
+import { getContainer } from "../../../../environment-helpers/use-container"
+import { initDb, useDb } from "../../../../environment-helpers/use-db"
+import adminSeeder from "../../../../helpers/admin-seeder"
+
+const env = { MEDUSA_FF_MEDUSA_V2: true }
+const adminHeaders = {
+  headers: { "x-medusa-access-token": "test_token" },
+}
+
+describe("POST /admin/customer-groups/:id/customers/batch", () => {
+  let dbConnection
+  let appContainer
+  let shutdownServer
+  let customerModuleService: ICustomerModuleService
+
+  beforeAll(async () => {
+    const cwd = path.resolve(path.join(__dirname, "..", "..", ".."))
+    dbConnection = await initDb({ cwd, env } as any)
+    shutdownServer = await startBootstrapApp({ cwd, env })
+    appContainer = getContainer()
+    customerModuleService = appContainer.resolve(
+      ModuleRegistrationName.CUSTOMER
+    )
+  })
+
+  afterAll(async () => {
+    const db = useDb()
+    await db.shutdown()
+    await shutdownServer()
+  })
+
+  beforeEach(async () => {
+    await adminSeeder(dbConnection)
+  })
+
+  afterEach(async () => {
+    const db = useDb()
+    await db.teardown()
+  })
+
+  it("should batch add customers to a group", async () => {
+    const api = useApi() as any
+
+    const group = await customerModuleService.createCustomerGroup({
+      name: "VIP",
+    })
+    const customers = await customerModuleService.create([
+      {
+        first_name: "Test",
+        last_name: "Test",
+      },
+      {
+        first_name: "Test2",
+        last_name: "Test2",
+      },
+      {
+        first_name: "Test3",
+        last_name: "Test3",
+      },
+    ])
+
+    const response = await api.post(
+      `/admin/customer-groups/${group.id}/customers/batch`,
+      {
+        customer_ids: customers.map((c) => ({ id: c.id })),
+      },
+      adminHeaders
+    )
+
+    expect(response.status).toEqual(200)
+
+    const updatedGroup = await customerModuleService.retrieveCustomerGroup(
+      group.id,
+      {
+        relations: ["customers"],
+      }
+    )
+    expect(updatedGroup.customers?.length).toEqual(3)
+  })
+})
diff --git a/integration-tests/plugins/__tests__/customer-group/admin/batch-remove-customers.ts b/integration-tests/plugins/__tests__/customer-group/admin/batch-remove-customers.ts
new file mode 100644
index 0000000000000..a366dcd05fbb7
--- /dev/null
+++ b/integration-tests/plugins/__tests__/customer-group/admin/batch-remove-customers.ts
@@ -0,0 +1,89 @@
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import { ICustomerModuleService } from "@medusajs/types"
+import path from "path"
+import { startBootstrapApp } from "../../../../environment-helpers/bootstrap-app"
+import { useApi } from "../../../../environment-helpers/use-api"
+import { getContainer } from "../../../../environment-helpers/use-container"
+import { initDb, useDb } from "../../../../environment-helpers/use-db"
+import adminSeeder from "../../../../helpers/admin-seeder"
+
+const env = { MEDUSA_FF_MEDUSA_V2: true }
+const adminHeaders = {
+  headers: { "x-medusa-access-token": "test_token" },
+}
+
+describe("DELETE /admin/customer-groups/:id/customers/remove", () => {
+  let dbConnection
+  let appContainer
+  let shutdownServer
+  let customerModuleService: ICustomerModuleService
+
+  beforeAll(async () => {
+    const cwd = path.resolve(path.join(__dirname, "..", "..", ".."))
+    dbConnection = await initDb({ cwd, env } as any)
+    shutdownServer = await startBootstrapApp({ cwd, env })
+    appContainer = getContainer()
+    customerModuleService = appContainer.resolve(
+      ModuleRegistrationName.CUSTOMER
+    )
+  })
+
+  afterAll(async () => {
+    const db = useDb()
+    await db.shutdown()
+    await shutdownServer()
+  })
+
+  beforeEach(async () => {
+    await adminSeeder(dbConnection)
+  })
+
+  afterEach(async () => {
+    const db = useDb()
+    await db.teardown()
+  })
+
+  it("should batch delete customers from a group", async () => {
+    const api = useApi() as any
+
+    const group = await customerModuleService.createCustomerGroup({
+      name: "VIP",
+    })
+    const customers = await customerModuleService.create([
+      {
+        first_name: "Test",
+        last_name: "Test",
+      },
+      {
+        first_name: "Test2",
+        last_name: "Test2",
+      },
+      {
+        first_name: "Test3",
+        last_name: "Test3",
+      },
+    ])
+
+    await customerModuleService.addCustomerToGroup(
+      customers.map((c) => ({ customer_id: c.id, customer_group_id: group.id }))
+    )
+
+    const response = await api.post(
+      `/admin/customer-groups/${group.id}/customers/remove`,
+      {
+        customer_ids: customers.map((c) => ({ id: c.id })),
+      },
+      adminHeaders
+    )
+
+    expect(response.status).toEqual(200)
+
+    const updatedGroup = await customerModuleService.retrieveCustomerGroup(
+      group.id,
+      {
+        relations: ["customers"],
+      }
+    )
+    expect(updatedGroup.customers?.length).toEqual(0)
+  })
+})
diff --git a/integration-tests/plugins/__tests__/customer-group/admin/list-customer-group-customers.ts b/integration-tests/plugins/__tests__/customer-group/admin/list-customer-group-customers.ts
new file mode 100644
index 0000000000000..453170e8e12d7
--- /dev/null
+++ b/integration-tests/plugins/__tests__/customer-group/admin/list-customer-group-customers.ts
@@ -0,0 +1,88 @@
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import { ICustomerModuleService } from "@medusajs/types"
+import path from "path"
+import { startBootstrapApp } from "../../../../environment-helpers/bootstrap-app"
+import { useApi } from "../../../../environment-helpers/use-api"
+import { getContainer } from "../../../../environment-helpers/use-container"
+import { initDb, useDb } from "../../../../environment-helpers/use-db"
+import adminSeeder from "../../../../helpers/admin-seeder"
+
+const env = { MEDUSA_FF_MEDUSA_V2: true }
+const adminHeaders = {
+  headers: { "x-medusa-access-token": "test_token" },
+}
+
+describe("GET /admin/customer-groups/:id/customers", () => {
+  let dbConnection
+  let appContainer
+  let shutdownServer
+  let customerModuleService: ICustomerModuleService
+
+  beforeAll(async () => {
+    const cwd = path.resolve(path.join(__dirname, "..", "..", ".."))
+    dbConnection = await initDb({ cwd, env } as any)
+    shutdownServer = await startBootstrapApp({ cwd, env })
+    appContainer = getContainer()
+    customerModuleService = appContainer.resolve(
+      ModuleRegistrationName.CUSTOMER
+    )
+  })
+
+  afterAll(async () => {
+    const db = useDb()
+    await db.shutdown()
+    await shutdownServer()
+  })
+
+  beforeEach(async () => {
+    await adminSeeder(dbConnection)
+  })
+
+  afterEach(async () => {
+    const db = useDb()
+    await db.teardown()
+  })
+
+  it("should get all customer groups and its count", async () => {
+    const group = await customerModuleService.createCustomerGroup({
+      name: "Test",
+    })
+
+    const customers = await customerModuleService.create([
+      {
+        first_name: "Test",
+        last_name: "Test",
+      },
+      {
+        first_name: "Test2",
+        last_name: "Test2",
+      },
+    ])
+
+    // add to group
+
+    await customerModuleService.addCustomerToGroup(
+      customers.map((c) => ({ customer_id: c.id, customer_group_id: group.id }))
+    )
+
+    const api = useApi() as any
+
+    const response = await api.get(
+      `/admin/customer-groups/${group.id}/customers`,
+      adminHeaders
+    )
+
+    expect(response.status).toEqual(200)
+    expect(response.data.count).toEqual(2)
+    expect(response.data.customers).toEqual(
+      expect.arrayContaining([
+        expect.objectContaining({
+          id: customers[0].id,
+        }),
+        expect.objectContaining({
+          id: customers[1].id,
+        }),
+      ])
+    )
+  })
+})
diff --git a/packages/core-flows/src/customer-group/steps/create-customer-group-customers.ts b/packages/core-flows/src/customer-group/steps/create-customer-group-customers.ts
new file mode 100644
index 0000000000000..cb31cf738d9ab
--- /dev/null
+++ b/packages/core-flows/src/customer-group/steps/create-customer-group-customers.ts
@@ -0,0 +1,29 @@
+import { GroupCustomerPair, ICustomerModuleService } from "@medusajs/types"
+import { StepResponse, createStep } from "@medusajs/workflows-sdk"
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+
+export const createCustomerGroupCustomersStepId =
+  "create-customer-group-customers"
+export const createCustomerGroupCustomersStep = createStep(
+  createCustomerGroupCustomersStepId,
+  async (data: GroupCustomerPair[], { container }) => {
+    const service = container.resolve<ICustomerModuleService>(
+      ModuleRegistrationName.CUSTOMER
+    )
+
+    const groupPairs = await service.addCustomerToGroup(data)
+
+    return new StepResponse(groupPairs, data)
+  },
+  async (groupPairs, { container }) => {
+    if (!groupPairs?.length) {
+      return
+    }
+
+    const service = container.resolve<ICustomerModuleService>(
+      ModuleRegistrationName.CUSTOMER
+    )
+
+    await service.removeCustomerFromGroup(groupPairs)
+  }
+)
diff --git a/packages/core-flows/src/customer-group/steps/delete-customer-group-customers.ts b/packages/core-flows/src/customer-group/steps/delete-customer-group-customers.ts
new file mode 100644
index 0000000000000..b47aae66aafd7
--- /dev/null
+++ b/packages/core-flows/src/customer-group/steps/delete-customer-group-customers.ts
@@ -0,0 +1,28 @@
+import { GroupCustomerPair, ICustomerModuleService } from "@medusajs/types"
+import { StepResponse, createStep } from "@medusajs/workflows-sdk"
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+
+export const deleteCustomerGroupCustomersStepId =
+  "delete-customer-group-customers"
+export const deleteCustomerGroupCustomersStep = createStep(
+  deleteCustomerGroupCustomersStepId,
+  async (data: GroupCustomerPair[], { container }) => {
+    const service = container.resolve<ICustomerModuleService>(
+      ModuleRegistrationName.CUSTOMER
+    )
+
+    await service.removeCustomerFromGroup(data)
+
+    return new StepResponse(void 0, data)
+  },
+  async (groupPairs, { container }) => {
+    if (!groupPairs?.length) {
+      return
+    }
+    const service = container.resolve<ICustomerModuleService>(
+      ModuleRegistrationName.CUSTOMER
+    )
+
+    await service.addCustomerToGroup(groupPairs)
+  }
+)
diff --git a/packages/core-flows/src/customer-group/steps/index.ts b/packages/core-flows/src/customer-group/steps/index.ts
index 2d99ae94fa022..196a19bd736da 100644
--- a/packages/core-flows/src/customer-group/steps/index.ts
+++ b/packages/core-flows/src/customer-group/steps/index.ts
@@ -1,3 +1,5 @@
 export * from "./update-customer-groups"
 export * from "./delete-customer-groups"
 export * from "./create-customer-groups"
+export * from "./create-customer-group-customers"
+export * from "./delete-customer-group-customers"
diff --git a/packages/core-flows/src/customer-group/workflows/create-customer-group-customers.ts b/packages/core-flows/src/customer-group/workflows/create-customer-group-customers.ts
new file mode 100644
index 0000000000000..6a3da2d856f75
--- /dev/null
+++ b/packages/core-flows/src/customer-group/workflows/create-customer-group-customers.ts
@@ -0,0 +1,14 @@
+import { GroupCustomerPair } from "@medusajs/types"
+import { WorkflowData, createWorkflow } from "@medusajs/workflows-sdk"
+import { createCustomerGroupCustomersStep } from "../steps"
+
+type WorkflowInput = { groupCustomers: GroupCustomerPair[] }
+
+export const createCustomerGroupCustomersWorkflowId =
+  "create-customer-group-customers"
+export const createCustomerGroupCustomersWorkflow = createWorkflow(
+  createCustomerGroupCustomersWorkflowId,
+  (input: WorkflowData<WorkflowInput>): WorkflowData<{ id: string }[]> => {
+    return createCustomerGroupCustomersStep(input.groupCustomers)
+  }
+)
diff --git a/packages/core-flows/src/customer-group/workflows/delete-customer-group-customers.ts b/packages/core-flows/src/customer-group/workflows/delete-customer-group-customers.ts
new file mode 100644
index 0000000000000..7696a36cc5f69
--- /dev/null
+++ b/packages/core-flows/src/customer-group/workflows/delete-customer-group-customers.ts
@@ -0,0 +1,14 @@
+import { GroupCustomerPair } from "@medusajs/types"
+import { WorkflowData, createWorkflow } from "@medusajs/workflows-sdk"
+import { deleteCustomerGroupCustomersStep } from "../steps"
+
+type WorkflowInput = { groupCustomers: GroupCustomerPair[] }
+
+export const deleteCustomerGroupCustomersWorkflowId =
+  "delete-customer-group-customers"
+export const deleteCustomerGroupCustomersWorkflow = createWorkflow(
+  deleteCustomerGroupCustomersWorkflowId,
+  (input: WorkflowData<WorkflowInput>): WorkflowData<void> => {
+    return deleteCustomerGroupCustomersStep(input.groupCustomers)
+  }
+)
diff --git a/packages/core-flows/src/customer-group/workflows/index.ts b/packages/core-flows/src/customer-group/workflows/index.ts
index 2d99ae94fa022..196a19bd736da 100644
--- a/packages/core-flows/src/customer-group/workflows/index.ts
+++ b/packages/core-flows/src/customer-group/workflows/index.ts
@@ -1,3 +1,5 @@
 export * from "./update-customer-groups"
 export * from "./delete-customer-groups"
 export * from "./create-customer-groups"
+export * from "./create-customer-group-customers"
+export * from "./delete-customer-group-customers"
diff --git a/packages/medusa/src/api-v2/admin/customer-groups/[id]/customers/batch/route.ts b/packages/medusa/src/api-v2/admin/customer-groups/[id]/customers/batch/route.ts
new file mode 100644
index 0000000000000..d766dfb6e90aa
--- /dev/null
+++ b/packages/medusa/src/api-v2/admin/customer-groups/[id]/customers/batch/route.ts
@@ -0,0 +1,27 @@
+import { createCustomerGroupCustomersWorkflow } from "@medusajs/core-flows"
+import { MedusaRequest, MedusaResponse } from "../../../../../../types/routing"
+import { AdminPostCustomerGroupsGroupCustomersBatchReq } from "../../../validators"
+
+export const POST = async (req: MedusaRequest, res: MedusaResponse) => {
+  const { id } = req.params
+  const { customer_ids } =
+    req.validatedBody as AdminPostCustomerGroupsGroupCustomersBatchReq
+
+  const createCustomers = createCustomerGroupCustomersWorkflow(req.scope)
+
+  const { result, errors } = await createCustomers.run({
+    input: {
+      groupCustomers: customer_ids.map((c) => ({
+        customer_id: c.id,
+        customer_group_id: id,
+      })),
+    },
+    throwOnError: false,
+  })
+
+  if (Array.isArray(errors) && errors[0]) {
+    throw errors[0].error
+  }
+
+  res.status(200).json({ customer_group_customers: result })
+}
diff --git a/packages/medusa/src/api-v2/admin/customer-groups/[id]/customers/remove/route.ts b/packages/medusa/src/api-v2/admin/customer-groups/[id]/customers/remove/route.ts
new file mode 100644
index 0000000000000..8e8647f733f67
--- /dev/null
+++ b/packages/medusa/src/api-v2/admin/customer-groups/[id]/customers/remove/route.ts
@@ -0,0 +1,31 @@
+import { deleteCustomerGroupCustomersWorkflow } from "@medusajs/core-flows"
+
+import { MedusaRequest, MedusaResponse } from "../../../../../../types/routing"
+import { AdminPostCustomerGroupsGroupCustomersBatchReq } from "../../../validators"
+
+export const POST = async (req: MedusaRequest, res: MedusaResponse) => {
+  const { id } = req.params
+  const { customer_ids } =
+    req.validatedBody as AdminPostCustomerGroupsGroupCustomersBatchReq
+
+  const deleteCustomers = deleteCustomerGroupCustomersWorkflow(req.scope)
+
+  const { errors } = await deleteCustomers.run({
+    input: {
+      groupCustomers: customer_ids.map((c) => ({
+        customer_id: c.id,
+        customer_group_id: id,
+      })),
+    },
+    throwOnError: false,
+  })
+
+  if (Array.isArray(errors) && errors[0]) {
+    throw errors[0].error
+  }
+
+  res.status(200).json({
+    object: "customer_group_customers",
+    deleted: true,
+  })
+}
diff --git a/packages/medusa/src/api-v2/admin/customer-groups/[id]/customers/route.ts b/packages/medusa/src/api-v2/admin/customer-groups/[id]/customers/route.ts
new file mode 100644
index 0000000000000..84a7fad2537c8
--- /dev/null
+++ b/packages/medusa/src/api-v2/admin/customer-groups/[id]/customers/route.ts
@@ -0,0 +1,25 @@
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import { ICustomerModuleService } from "@medusajs/types"
+import { MedusaRequest, MedusaResponse } from "../../../../../types/routing"
+
+export const GET = async (req: MedusaRequest, res: MedusaResponse) => {
+  const { id } = req.params
+
+  const service = req.scope.resolve<ICustomerModuleService>(
+    ModuleRegistrationName.CUSTOMER
+  )
+
+  const [customers, count] = await service.listAndCount(
+    { ...req.filterableFields, groups: id },
+    req.listConfig
+  )
+
+  const { offset, limit } = req.validatedQuery
+
+  res.json({
+    count,
+    customers,
+    offset,
+    limit,
+  })
+}
diff --git a/packages/medusa/src/api-v2/admin/customer-groups/middlewares.ts b/packages/medusa/src/api-v2/admin/customer-groups/middlewares.ts
index d1ca416a9fc5b..e8faf2db43f45 100644
--- a/packages/medusa/src/api-v2/admin/customer-groups/middlewares.ts
+++ b/packages/medusa/src/api-v2/admin/customer-groups/middlewares.ts
@@ -1,24 +1,18 @@
-import { MedusaV2Flag } from "@medusajs/utils"
-
-import {
-  isFeatureFlagEnabled,
-  transformBody,
-  transformQuery,
-} from "../../../api/middlewares"
+import { transformBody, transformQuery } from "../../../api/middlewares"
 import { MiddlewareRoute } from "../../../loaders/helpers/routing/types"
 import * as QueryConfig from "./query-config"
+import { listTransformQueryConfig as customersListTransformQueryConfig } from "../customers/query-config"
 import {
   AdminGetCustomerGroupsParams,
   AdminGetCustomerGroupsGroupParams,
   AdminPostCustomerGroupsReq,
   AdminPostCustomerGroupsGroupReq,
+  AdminGetCustomerGroupsGroupCustomersParams,
+  AdminPostCustomerGroupsGroupCustomersBatchReq,
+  AdminDeleteCustomerGroupsGroupCustomersBatchReq,
 } from "./validators"
 
 export const adminCustomerGroupRoutesMiddlewares: MiddlewareRoute[] = [
-  {
-    matcher: "/admin/customer-groups*",
-    middlewares: [isFeatureFlagEnabled(MedusaV2Flag.key)],
-  },
   {
     method: ["GET"],
     matcher: "/admin/customer-groups",
@@ -49,4 +43,26 @@ export const adminCustomerGroupRoutesMiddlewares: MiddlewareRoute[] = [
     matcher: "/admin/customer-groups/:id",
     middlewares: [transformBody(AdminPostCustomerGroupsGroupReq)],
   },
+  {
+    method: ["GET"],
+    matcher: "/admin/customer-groups/:id/customers",
+    middlewares: [
+      transformQuery(
+        AdminGetCustomerGroupsGroupCustomersParams,
+        customersListTransformQueryConfig
+      ),
+    ],
+  },
+  {
+    method: ["POST"],
+    matcher: "/admin/customer-groups/:id/customers/batch",
+    middlewares: [transformBody(AdminPostCustomerGroupsGroupCustomersBatchReq)],
+  },
+  {
+    method: ["POST"],
+    matcher: "/admin/customer-groups/:id/customers/remove",
+    middlewares: [
+      transformBody(AdminDeleteCustomerGroupsGroupCustomersBatchReq),
+    ],
+  },
 ]
diff --git a/packages/medusa/src/api-v2/admin/customer-groups/validators.ts b/packages/medusa/src/api-v2/admin/customer-groups/validators.ts
index a0f5a24283262..e318d6a38a2ca 100644
--- a/packages/medusa/src/api-v2/admin/customer-groups/validators.ts
+++ b/packages/medusa/src/api-v2/admin/customer-groups/validators.ts
@@ -1,5 +1,5 @@
 import { OperatorMap } from "@medusajs/types"
-import { Type } from "class-transformer"
+import { Transform, Type } from "class-transformer"
 import {
   IsNotEmpty,
   IsOptional,
@@ -8,6 +8,7 @@ import {
 } from "class-validator"
 import { FindParams, extendedFindParamsMixin } from "../../../types/common"
 import { OperatorMapValidator } from "../../../types/validators/operator-map"
+import { IsType } from "../../../utils"
 
 export class AdminGetCustomerGroupsGroupParams extends FindParams {}
 
@@ -112,3 +113,62 @@ export class AdminPostCustomerGroupsGroupReq {
   @IsOptional()
   name?: string
 }
+
+export class AdminGetCustomerGroupsGroupCustomersParams extends extendedFindParamsMixin(
+  {
+    limit: 100,
+    offset: 0,
+  }
+) {
+  @IsOptional()
+  @IsString({ each: true })
+  id?: string | string[]
+
+  @IsOptional()
+  @IsType([String, [String], OperatorMapValidator])
+  email?: string | string[] | OperatorMap<string>
+
+  @IsOptional()
+  @IsString({ each: true })
+  company_name?: string | string[] | OperatorMap<string> | null
+
+  @IsOptional()
+  @IsString({ each: true })
+  first_name?: string | string[] | OperatorMap<string> | null
+
+  @IsOptional()
+  @IsType([String, [String], OperatorMapValidator])
+  @Transform(({ value }) => (value === "null" ? null : value))
+  last_name?: string | string[] | OperatorMap<string> | null
+
+  @IsOptional()
+  @IsString({ each: true })
+  created_by?: string | string[] | null
+
+  @IsOptional()
+  @ValidateNested()
+  @Type(() => OperatorMapValidator)
+  created_at?: OperatorMap<string>
+
+  @IsOptional()
+  @ValidateNested()
+  @Type(() => OperatorMapValidator)
+  updated_at?: OperatorMap<string>
+}
+
+class CustomerGroupsBatchCustomer {
+  @IsString()
+  id: string
+}
+
+export class AdminDeleteCustomerGroupsGroupCustomersBatchReq {
+  @ValidateNested({ each: true })
+  @Type(() => CustomerGroupsBatchCustomer)
+  customer_ids: CustomerGroupsBatchCustomer[]
+}
+
+export class AdminPostCustomerGroupsGroupCustomersBatchReq {
+  @ValidateNested({ each: true })
+  @Type(() => CustomerGroupsBatchCustomer)
+  customer_ids: CustomerGroupsBatchCustomer[]
+}