diff --git a/src/lib/microsoft-partnercenter.spec.ts b/src/lib/microsoft-partnercenter.spec.ts
index 055d8dd..ce7b6ae 100644
--- a/src/lib/microsoft-partnercenter.spec.ts
+++ b/src/lib/microsoft-partnercenter.spec.ts
@@ -174,4 +174,37 @@ describe('Microsoft Partner Center', () => {
         expect(result).toEqual(licenses)
         expect(mockAxios.get).toHaveBeenCalledWith('/customers/1/subscribedskus')
     })
+
+    it('should create a customer', async () => {
+        const customer = { id: '1' }
+        jest.spyOn(mockAxios, 'post').mockResolvedValue({ data: customer })
+        const result = await partnerCenter.createCustomer({ id: '1' } as never)
+        expect(result).toEqual(customer)
+        expect(mockAxios.post).toHaveBeenCalledWith('/customers', { id: '1' })
+    })
+
+    it('should create a user', async () => {
+        const user = { id: '1' }
+        jest.spyOn(mockAxios, 'post').mockResolvedValue({ data: user })
+        const result = await partnerCenter.createUser('1', { id: '1' } as never)
+        expect(result).toEqual(user)
+        expect(mockAxios.post).toHaveBeenCalledWith('/customers/1/users', {
+            id: '1',
+        })
+    })
+
+    it('should set user role', async () => {
+        jest.spyOn(mockAxios, 'post').mockResolvedValue({ data: {} })
+        const result = await partnerCenter.setUserRole('1', '1', {
+            Id: '1',
+            DisplayName: 'test',
+            UserPrincipalName: 'test',
+        })
+        expect(result).toEqual({})
+        expect(mockAxios.post).toHaveBeenCalledWith('/customers/1/directoryroles/1/usermembers', {
+            Id: '1',
+            DisplayName: 'test',
+            UserPrincipalName: 'test',
+        })
+    })
 })
diff --git a/src/lib/microsoft-partnercenter.ts b/src/lib/microsoft-partnercenter.ts
index 2fba455..5fb0672 100644
--- a/src/lib/microsoft-partnercenter.ts
+++ b/src/lib/microsoft-partnercenter.ts
@@ -1,14 +1,15 @@
 import { AxiosInstance } from 'axios'
-import { ApplicationConsent } from './types'
+import { ApplicationConsent, CreateUser, SetUserRole, SetUserRoleResponse, User } from './types'
 import { Availability } from './types/availabilities.types'
 import { IPartnerCenterConfig } from './types/common.types'
-import { Customer } from './types/customers.types'
+import { CreateCustomer, Customer } from './types/customers.types'
 import { Invoice } from './types/invoices.types'
 import { OrderLineItem, OrderLineItemOptions, OrderResponse } from './types/orders.types'
 import { Sku } from './types/sku.types'
 import { Subscription } from './types/subscriptions.types'
 import { TokenManager, initializeHttpAndTokenManager } from './utils/http-token-manager'
 import { LicenseUsage } from './types/licenses.types'
+import { CreateGDAPRelationship, GDAPRelationship } from './types/gdap.types'
 
 export class MicrosoftPartnerCenter {
     private readonly httpAgent: AxiosInstance
@@ -66,6 +67,36 @@ export class MicrosoftPartnerCenter {
         return sub
     }
 
+    async createCustomer(data: CreateCustomer): Promise<Customer> {
+        const { data: customer } = await this.httpAgent.post('/customers', data)
+        return customer
+    }
+
+    async createUser(customerId: string, data: CreateUser): Promise<User> {
+        const { data: user } = await this.httpAgent.post(`/customers/${customerId}/users`, data)
+        return user
+    }
+
+    async setUserRole(
+        customerId: string,
+        roleId: string,
+        data: SetUserRole,
+    ): Promise<SetUserRoleResponse> {
+        const { data: userRole } = await this.httpAgent.post(
+            `/customers/${customerId}/directoryroles/${roleId}/usermembers`,
+            data,
+        )
+        return userRole
+    }
+
+    async createGDAPRelationship(data: CreateGDAPRelationship): Promise<GDAPRelationship> {
+        const { data: gdapRelationship } = await this.httpAgent.post(
+            '/tenantRelationships/delegatedAdminRelationships',
+            data,
+        )
+        return gdapRelationship
+    }
+
     async updateCustomerSubscriptionUsers(
         customerId: string,
         subscriptionId: string,
diff --git a/src/lib/types/customers.types.ts b/src/lib/types/customers.types.ts
index c27bece..5e0e31a 100644
--- a/src/lib/types/customers.types.ts
+++ b/src/lib/types/customers.types.ts
@@ -29,3 +29,29 @@ export type Links = LinksBase
 export enum RelationshipToPartner {
     Reseller = 'reseller',
 }
+
+export interface CreateCustomer {
+    enableGDAPByDefault: boolean
+    CompanyProfile: {
+        Domain: string
+    }
+    BillingProfile: BillingProfile
+}
+
+export interface BillingProfile {
+    Culture: string
+    Email: string
+    Language: string
+    CompanyName: string
+    DefaultAddress: DefaultAddress
+}
+
+export interface DefaultAddress {
+    FirstName: string
+    LastName: string
+    AddressLine1: string
+    City: string
+    State: string
+    PostalCode: string
+    Country: string
+}
diff --git a/src/lib/types/gdap.types.ts b/src/lib/types/gdap.types.ts
new file mode 100644
index 0000000..8f121d1
--- /dev/null
+++ b/src/lib/types/gdap.types.ts
@@ -0,0 +1,41 @@
+export interface CreateGDAPRelationship {
+    displayName: string
+    duration: string
+    customer: GDAPCustomer
+    accessDetails: AccessDetails
+    autoExtendDuration: string
+}
+
+export interface AccessDetails {
+    unifiedRoles: UnifiedRole[]
+}
+
+export interface UnifiedRole {
+    roleDefinitionId: string
+}
+
+export interface GDAPCustomer {
+    tenantId: string
+    displayName: string
+}
+
+export interface GDAPRelationship {
+    '@odata.type': '#microsoft.graph.delegatedAdminRelationship'
+    '@odata.context': 'https://graph.microsoft.com/v1.0/tenantRelationships/$metadata#delegatedAdminRelationships'
+    '@odata.etag': string
+    id: string
+    displayName: string
+    duration: string
+    customer: GDAPCustomer
+    accessDetails: AccessDetails
+    status: string
+    autoExtendDuration: string
+    createdDateTime: Date
+    lastModifiedDateTime: Date
+    activatedDateTime: string
+    endDateTime: Date
+}
+
+export interface AccessDetails {
+    unifiedRoles: UnifiedRole[]
+}
diff --git a/src/lib/types/index.ts b/src/lib/types/index.ts
index cdaf3c0..207f836 100644
--- a/src/lib/types/index.ts
+++ b/src/lib/types/index.ts
@@ -7,3 +7,5 @@ export * from './sku.types'
 export * from './availabilities.types'
 export * from './application-consent.types'
 export * from './licenses.types'
+export * from './users.types'
+export * from './gdap.types'
diff --git a/src/lib/types/users.types.ts b/src/lib/types/users.types.ts
new file mode 100644
index 0000000..8a81eb5
--- /dev/null
+++ b/src/lib/types/users.types.ts
@@ -0,0 +1,53 @@
+export interface CreateUser {
+    usageLocation: string
+    userPrincipalName: string
+    firstName: string
+    lastName: string
+    displayName: string
+    passwordProfile: PasswordProfile
+}
+
+export interface PasswordProfile {
+    forceChangePassword: boolean
+    password: string
+}
+
+export interface User {
+    usageLocation: string
+    id: string
+    userPrincipalName: string
+    firstName: string
+    lastName: string
+    displayName: string
+    immutableId: string
+    passwordProfile: PasswordProfile
+    lastDirectorySyncTime: null
+    userDomainType: string
+    state: string
+    softDeletionTime: { objectType: 'CustomerUser' }
+}
+
+export interface SetUserRole {
+    /**
+     * The ID of the user
+     */
+    Id: string
+    /**
+     * The Display Name of the user
+     */
+    DisplayName: string
+    /**
+     * The User's Principal Name
+     */
+    UserPrincipalName: string
+}
+
+export interface SetUserRoleResponse {
+    displayName: string
+    userPrincipalName: string
+    roleId: string
+    id: string
+    attributes: {
+        objectType: 'UserMember'
+    }
+}