As a start up company, there are expenses which occur even before company bank account is open, how can we record these payments in QB? How does the reconcile reflect this?
We can create a Journal Entry to record the payment made, BCS2020.
Before doing so, I recommend reaching out to your accountant for the accuracy of the books.
Here's how to create a Journal Entry:
Once done, the register will recognize the amount as an expense transaction. That being said, it will not affect your reconciliation.
I've added this article as a guide when reconciling the account: Reconciliation in QuickBooks Online.
There you have it, BCS2020. Let me know if you need help. Keep safe!