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Behind on Your Books for Months? How Catch-Up Bookkeeping Works

Writer: Oscar Moncada
Oscar Moncada
Jun 15
4 min read

Falling behind on bookkeeping happens to good business owners. A big project eats your evenings. Your old bookkeeper quits. You switch banks and the feed stops working. Six months later you have a gap in your books and a knot in your stomach every time you think about it.

The good news: catch-up bookkeeping follows a clear process. Here is how I bring QuickBooks Online files current, and what you'll need to do on your end.

Why waiting makes it worse

Every month you wait adds work. Receipts get lost. Card charges from vendors you no longer use become harder to identify. Bank feeds in QuickBooks only reach back so far, so older transactions sometimes need to be imported from statements by hand.

Deadlines don't wait either. Your CPA needs clean numbers for your return. A lender needs a current profit and loss. Quarterly estimated taxes are guesses without current books.

Step 1: Pick the start date

Catch-up starts at the last point the books were right. For most owners, that is the last month reconciled in QuickBooks, or the last year your CPA filed from.

If nobody knows when the books were last correct, I start from the beginning of the current tax year and confirm the opening balances against your bank statements.

Step 2: Gather the documents

You don't need a shoebox of receipts sorted by date. For most catch-up projects I need:

  • Bank statements for every account, every month in the gap

  • Credit card statements for the same months

  • Loan statements, if you have business loans or a line of credit

  • Payroll reports, if you run payroll outside QuickBooks

  • Payout reports from Stripe, Square, PayPal, or any other app that pays you

For bank and credit card statements, the easiest route is accountant or view-only access to your accounts. I download the statements myself. If your bank doesn't offer that, PDFs from online banking work too.

Step 3: Reconnect or import the bank data

If the bank feed broke, I reconnect it and pull in as much history as the bank allows. For months outside that window, I import transactions from statement files. Then I check the totals against each statement so nothing is missing or doubled.

Step 4: Work month by month

Catch-up goes in order, oldest month first. For each month I:

  1. Categorize every transaction

  2. Match deposits to invoices or payment app payouts

  3. Record transfers between your accounts on both sides

  4. Reconcile each account to the statement

Working in order matters. A mistake in January carries into every month after. Fixing January first keeps the rest of the year clean.

Step 5: Send you one short question list

Some charges I can't identify from the statement alone. A $340 payment to a person's name. A Venmo transfer. A deposit with no memo. Instead of texting you 40 times, I collect these into one list. You answer in one sitting, often in 20 minutes or less.

Step 6: Review the results

When every month is reconciled, I walk you through the reports. Owners are often surprised here. Some find they made more profit than they thought. Others find a subscription they forgot to cancel two years ago.

How long catch-up takes

The timeline depends on months behind, number of accounts, and how fast the question list comes back. Six months for a small service business moves faster than three years with five credit cards. Your quote includes a timeline so you know what to expect.

How to stay current once you're caught up

Catching up once doesn't help much if the books slide again. Pick one of these:

  • Do it yourself with a weekly routine. Spend 15 minutes each week clearing the For Review tab and reconcile each month when the statement arrives.

  • Hand it off. Monthly bookkeeping keeps your file current, reconciled, and ready for your CPA without you touching it.

Either path works. The wrong path is no plan.

A note on taxes

Catch-up bookkeeping gets your books accurate. Tax returns, extensions, and amended returns are your CPA's job. Clean books make that job faster and usually cheaper. If you're behind on filing too, talk to your CPA early and send them the cleaned-up reports when they're ready.

Frequently asked questions

How far back can catch-up bookkeeping go?

As far back as you have bank and credit card statements. Most projects start at the beginning of the current tax year, or the first year your CPA hasn't filed yet. We decide the start date together after I review your books.

Do I need a receipt for every transaction?

No. Bank and credit card statements cover most of what I need to categorize transactions. Receipts matter for larger purchases and for anything your CPA asks to see. Ask your CPA which receipts you should keep for your business.

I'm behind on my tax filings too. Can you help?

I handle the books. Your CPA handles tax returns, extensions, and any amended filings. Getting the books current first gives your CPA accurate numbers to work from, which usually makes their part faster.

Can monthly bookkeeping start while you catch up?

Yes. Many owners move straight from catch-up into monthly bookkeeping, so the books never fall behind again. We set that up once the catch-up months are reconciled.

What if I find old receipts or invoices after you finish?

Send them over. I'll record anything that belongs in the catch-up period and check that the reconciliations still balance.

Will I need to answer a lot of questions?

Usually not. I collect every question into one list instead of sending them one at a time. Most owners answer the list in a single sitting. Questions tend to cover payments to people, transfers without memos, and deposits with no description.

Get your books current

Tell me how many months you're behind and which accounts you use. I'll reply within one business day to set up a review of your books. After the review, you get a fixed quote and a timeline.


 
 
 

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Moncada Bookkeeping

QuickBooks Online cleanup and monthly bookkeeping for service businesses.

Based in San Antonio, Texas. Serving businesses across the United States.

Email: info@moncadabookkeeping.com

Phone: (210) 781-0513

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