Welcome to the Community forum, @Chadspark90.
You can connect Yorkshire bank into QuickBooks Self-Employed (QBSE). Here's how:
You can take a look at this article for more information about the process: Connect bank and credit card accounts to QuickBooks Self-Employed.
Once your transactions download, you're now ready to categorise.
Let me know in the comment section if there's anything I can help you with. I'd be here for you. Have a great day!