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Behind on Your Books: How Catch-Up Bookkeeping Works

Months or years behind on your books? Catch-up bookkeeping rebuilds them one month at a time from your statements. Here is the order it follows, and why.

Published September 30, 20268 min readBy Total BizSolutions LLC
An editorial illustration of a desk stacked with dated bank statements being sorted into monthly piles beside an open ledger.
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Being behind is a normal place to start

Books fall behind for ordinary reasons. A busy season runs straight into the next one, or a part-time bookkeeper moves on and nobody picks up the file. A few months later the owner knows the numbers are wrong and puts off looking, because looking means finding out how far behind things got.

None of that is unusual, and none of it means starting from scratch. Catch-up bookkeeping follows a set order, and the order is what makes a big backlog manageable. The steps below are the same for a small business in Trumbull, elsewhere in Fairfield County or in another state, because the work runs off statements rather than office visits.

Step one: gather statements before receipts

The first job is collecting a statement for every month you're behind, for every account the business uses. That means each business checking and savings account, each credit card, any loan or line of credit, and the payout reports from whatever takes card payments for you. If someone else runs payroll, their reports belong in the pile too.

Receipts come later, and fewer of them matter than most owners expect. A bank statement is a complete list of what actually left the account and what arrived in it. A receipt explains one line on that list. So the statements set the frame, and receipts only get chased for the lines where the payee name doesn't tell you what the money was for.

The account everyone forgets

There's often one account the owner had forgotten about, such as a savings account opened to set money aside for tax or a store card used twice. List every account before any rebuilding starts, because an account found halfway through means reopening months that were already finished.

Step two: rebuild one month at a time, oldest first

With the statements in hand, the books get rebuilt in date order. Start with the oldest month you're behind on and finish it completely before touching the next. That sounds slow. In practice it's the quickest route, because each month's closing balance becomes the opening balance of the month after, so a mistake left in March carries into April, May and June, and fixing it later means reopening all of them.

Inside each month, every line on every statement is recorded and given a category that fits how the business earns and spends. If the category list in the software is a mess, that gets fixed before the months are rebuilt on top of it, since tidy reports built on a broken chart of accounts are still wrong. That's the point where QuickBooks Online setup work becomes part of a catch-up job.

What happens to transactions nobody remembers

Every catch-up turns up lines nobody can place: a transfer with no memo, a charge from a vendor name that means nothing, a deposit that could be a sale or could be the owner moving personal money in. Those shouldn't be guessed at. They go on one running list with the date, the amount and the account, and the owner answers the whole list in a single sitting, which is far easier than answering one question a day for two months.

Step three: reconcile each month to the real statement

Recording the transactions is half the job. The other half is the reconciliation, which proves that the books agree with the bank statement for that month, to the cent. The difference on the reconciliation has to be zero before the month counts as done. A bank feed pulling transactions into your software looks similar and does something different, because a feed can duplicate, drop or misdate lines without anything flagging it.

Reconciling as you go is what makes the finished books trustworthy. If month seven won't reconcile, the problem sits inside month seven, which is small enough to find. Leave every reconciliation to the end and the same error could be anywhere in the file.

Behind on your books?

Call (267) 710-6742 and tell us roughly how many months and accounts are involved.

Call (267) 710-6742

Step four: overdue returns and the books

If tax returns are overdue as well, there's a pull to file something fast just to have filed. The catch is that a return prepared from books nobody reconciled carries every error in them onto a document you sign. So the question of which comes first, the returns or the rebuilt books, belongs in a conversation with whoever prepares your returns, ideally before any filing happens. Once the months are current, each year's income and expense figures come straight out of them, and tax preparation starts from numbers that already tie to the bank.

If a letter from the IRS or the Connecticut Department of Revenue Services has already arrived, bring it to that conversation. Keep it with the statements too, so whoever picks up the file sees it on day one.

How long it takes, and what drives the cost

The honest answer depends on three things you can count yourself: how many months are behind, how many accounts are involved, and how many transactions run through them each month. Twelve months on one checking account with a few dozen lines a month is a very different job from two years across four accounts and a card processor. How chaotic the file feels makes much less difference than those three counts.

That's also why a fixed price quoted before anyone has looked at the statements deserves a second question. The real number depends on the volume and comes after a conversation. It makes sense to scope catch-up work as its own job, separate from the monthly work that follows, so you know what it involves before it starts.

Staying current once you're caught up

The point of catching up is never having to do it again. Once the file is current, a monthly close keeps it there: record the month, reconcile every account, clear the short list of questions, and run the reports while the details are fresh. Ongoing monthly bookkeeping is the lighter of the two jobs, because nothing has had time to pile up.

Our office is in Trumbull, Connecticut, in Fairfield County, and we serve small businesses across the state and throughout the United States. If your books are behind, call (267) 710-6742 or use the contact page, and start with a conversation about where things stand.

Frequently asked questions

How far behind is too far behind to catch up?

There's no cutoff. A file three years behind goes through the same steps as one three months behind, because the work moves forward a month at a time from the statements. More months means more work, not a different kind of work. The one thing that gets harder with age is getting hold of old statements, so ask the bank for them early, before the rebuild reaches those months.

Do I need every receipt before catch-up bookkeeping can start?

No. The work starts from bank and credit card statements, which already list every transaction. Receipts matter for the lines where the payee doesn't make the category obvious, or where a purchase needs backing up for tax purposes. Gather what you have, and don't delay the start hunting for the rest.

Can I keep running my business while the books are caught up?

Yes. The current month keeps happening while the old months are rebuilt. Keep saving statements and invoices as you normally would, and avoid editing the accounting file yourself during the rebuild, so two people aren't changing the same months at once. When the catch-up reaches the present, the normal monthly routine takes over from there.

Should overdue tax returns be filed before or after the books are caught up?

That's a decision to make with whoever prepares your returns, and it depends on your situation, including any letter you've received. What's worth knowing going in is that a return can only be as accurate as the books it's prepared from, so the state of the books belongs in that conversation. If a notice from the IRS or the Connecticut Department of Revenue Services has arrived, bring it with you.

Does catch-up bookkeeping have to be done in person?

No. The work runs off statements and reports, and those can all be shared electronically, so the business doesn't need to be near the office. Total BizSolutions is based in Trumbull, Connecticut and serves small businesses across Connecticut and throughout the United States, so a call to (267) 710-6742 is the place to start wherever you are.

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Bookkeeping, QuickBooks, payroll, tax and IRS help for small businesses in Trumbull, across the Greater Bridgeport area, and anywhere else through a secure client portal.

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