Good evening, @Prelaunch.
It's great to see a new face here in the Community!
To clarify, are you referring to your client paying to an account that is for your business?
When reconciling in QBO, you'll need to have entered all of the transactions in the system from that account. Then you'll need the bank statements to ensure that your reconcile balancing are correct within QBO.
Here's a few guides that can assist you with reconciling in the system:
I hope this helps. If you have any further questions along the way, don't hesitate to ask. Take care!