You'll have to delete first the accountant, dnc_concreting.
Here's how:
- Go to the Gear icon and choose Manage Users.
- Select the Accounting firms section.
- Under ACTION, click Delete.
- Hit Delete again to confirm.
Once done, you'll see the option to invite another accountant. Enter the new accountant's email address. Then, click Invite. Your new accountant will receive an email invitation with instructions for signing into your company.
Check this article as your reference on how to manage an accountant user in QuickBooks Online.
I'll be around if you have other questions.