Reconciling means checking your books against the actual bank statement until the two agree. Everything else in your books depends on it.
Skip it and nothing appears to break, which is why problems go unnoticed.
Your reports keep looking fine
This is the part that catches people. QuickBooks doesn’t know it’s wrong. It produces the same confident-looking profit and loss statement whether the numbers underneath are verified or invented.
So you get a number, you believe it, and you make decisions on it.
Duplicates pile up silently
Connect a bank feed and a card feed that overlap, or import a file twice, and the same expense lands twice. QuickBooks won’t warn you.
Your expenses look higher than they are, your profit looks lower, and it compounds every month you don’t check.
Money shows up that isn’t income
A transfer from savings to checking is not income. A loan deposit is not income. Your own money going into the business is not income.
If nobody is checking, these get swept in as revenue. This is the one that costs real money, because you can end up paying tax on money that was not income in the first place.
Missing transactions stay missing
Bank feeds drop things. A connection breaks for a week, a manual payment doesn’t get entered, a check clears months later.
Reconciling is the only step that catches this, because it forces your ending balance to match the bank’s. Without it, nobody notices they’re gone.
Errors carry forward
Here’s the part that makes this worth doing now.
An error in month one is still in month twelve. Every report built after it inherits it. When someone finally does reconcile, they don’t fix one month, they work back to the last month that was right. The longer you wait, the more expensive the fix.
What it looks like when it’s ignored
I’ve opened books where the profit and loss looked completely normal. Money coming in, account positive, no obvious concerns.
Going further: most of the recorded income couldn’t be traced to any invoice or receipt. There were dozens of transactions sitting unreviewed in the feed, and clearing them the obvious way would have doubled the reported income overnight. At one point the checking account read negative in the file, which is not something that can happen to real money.
None of that showed up on the reports. The reports looked fine.
What to do about it
If you’re current, reconcile every account every month and close the month when it agrees. It takes minutes once you’re in the rhythm.
If you’re behind, work forward from the last month that reconciled. Don’t jump to the present and hope the middle sorts itself out.
If you don’t know where you stand, the free 12-question quiz gives you a clear answer in about two minutes.
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