Reconciliation is the process of matching what QuickBooks shows against what your bank or credit card company shows. The goal is to confirm every transaction in your books actually happened and nothing is missing or duplicated.

In QuickBooks Online, go to the gear icon (Settings) and select Reconcile. Choose the account you want to reconcile. This could be your checking account, savings account, or a credit card. Enter the ending date and ending balance from your statement. QuickBooks will pull up all transactions through that date and show you a list to work through.

Go line by line and check off each transaction that matches your statement. As you check items, the difference between your QuickBooks balance and your statement balance will update. When the difference hits zero, you’re done. Click Finish Now and QuickBooks will mark those transactions as reconciled.

If the difference isn’t zero, something doesn’t match. The most common causes are missing transactions that never got entered, transactions entered with the wrong amount, duplicate entries, or bank fees and interest charges you haven’t recorded yet. Don’t create an adjustment to force the balance to zero unless you actually understand what went wrong. That just hides the problem.

Reconcile monthly, ideally right after your statement closes. The longer you wait, the harder it is to remember what a mystery transaction was or track down where something went wrong. Most monthly bookkeeping services include reconciliation as a standard part of the process because it’s essential for accurate books.

If you’re new to QuickBooks or inherited messy books, reconciliation can feel overwhelming. Starting fresh with properly configured accounts makes the process much smoother. A small business bookkeeper can clean up historical records and show you how to stay on top of reconciliation going forward so you’re not guessing whether your numbers are right.