You've come to the right place, @Shari90.
May I know what country you are in? At this moment, QuickBooks Online Accountant (QBOA) is only available for some regions (AU, CA, UK, US, SA, SG). To use QBOA to manage clients within the listed regions. You'll need to create and manage companies for your own region outside of QBOA. Head to the QuickBooks Online International Versions page to create a QBO company outside of QBOA.
Please, check it here for more info: FAQ: Product Regions in QuickBooks Online Accountant.
Once ready, here's a great source that will guide you in managing your client's account using QBOA: Manage clients in QuickBooks Online Accountant.
If you have further questions about managing your client's account using the QBOA, please leave a reply below. I'll be around to help you. Have a good one.
