Inviting your accountant to your QuickBooks Self-Employed account is quick and easy, jackhollings-hot.
You can follow the step-by-step process below in inviting your accountant:
Click the Gear icon (⚙) and select Accountant.
Under About you, choose Accountant.
Enter the accountant's email address.
Click Send invite, and after seeing the confirmation, click Done.
I'll be adding an article about adding an accountant to your account: Invite an accountant to review your accounting in QuickBooks Self-Employed. On the same link, you'll find steps on how to remove them from your account. Even if this article is for QuickBooks Self-Employed US, the same process can be applied to your UK account.