FreshBooks is an online invoicing and accounting software designed for self-employed professionals and small business owners and their teams. It is really easy to use, especially for non-tech and/or non-accounting users.

What's the Open Banking use case?

Connect a bank and credit cards to auto-import transactions, and avoid manual entry mistakes. Then organize and categorize transactions with Bank Reconciliation to be ready for tax time. FreshBooks is Open Banking and PSD-2 compliant in the UK and Europe.

https://www.freshbooks.com/pricing