You can link your business bank account using the Link Account button located in the Transactions tab, macbratt.

To connect your business bank account, please follow these steps:

1. Navigate to the Transactions tab and select Bank Transactions.
   
2. Click the Link Account button.
3. Enter the name of your bank in the search bar.
   
4. Select your business bank from the options provided.
5. Enter your bank credentials to connect.
6. Follow the on-screen prompts to complete the connection process.

For more detailed instructions, you can review this article: Connect bank and credit card accounts to QuickBooks Online.

Don’t hesitate to reply here if you need further assistance.