Welcome and thanks for posting in the Community, @amberletham.
In QuickBooks Online (QBO), the ability to connect or integrate SumUp is currently unavailable. I can see how having this option would be helpful for you and your business. That said, rest assured I'll pass along your suggestion to our Product Developers. They're always looking for ideas to consider on how to improve QBO.
In the meantime, I recommend visiting our Blog site. This is where we share recent happenings and future developments, such as updates to newly added features.
Just in case, I'll add this article for future reference: Connect bank and credit card accounts to QuickBooks Online.
Let me know in the comment section below if you have any other concerns, and I'll get back to you right away. I'm always here to help. Have a great weekend!
