- Deadlines first. Payroll tax, sales tax and income tax returns carry the penalties, so the nearest filing decides where the work starts.
- Gather statements. Every bank, card, loan and payment processor account, for the whole backlog period.
- Newest period first. Get the current year right, then rebuild the older periods behind it.
Most backlogs, even multi-year ones, are cleared in two to six weeks once the statements are in hand.
Falling behind on the books is the most common bookkeeping problem there is, and the least discussed, because people are embarrassed by it. There is no need. A backlog is what happens when a business grows faster than its admin. It is fixable, and the fix follows the same order every time.
What should I do first if I am behind on my bookkeeping?
Do not start typing in old transactions. Start by listing your deadlines: unfiled income tax returns, sales tax returns, payroll filings, 1099s, and anything a lender or investor is waiting for. Penalties attach to filings, not to messy books, so the nearest filing deadline decides where the work begins.
Not sure how far behind you are? A free books review answers that: you add us as your accountant, we read the file without changing anything, and in about 48 hours you get a written list of what is unreconciled or missing.
Which deadlines carry the biggest penalties?
- Payroll taxes. Late deposits are penalized quickly: the failure-to-deposit penalty starts at 2% and rises to 10% after 15 days, more after an IRS notice. Unpaid payroll tax is treated as money held in trust, and the people responsible for paying it can be held personally liable. This always comes first.
- Sales tax. Also trust money. States charge penalties and interest, and can hold owners personally liable.
- Income tax returns. The failure-to-file penalty is 5% of the unpaid tax for each month a return is late, up to 25%, ten times the monthly failure-to-pay penalty. So file on time or extend, even if you cannot pay in full.
- 1099s and W-2s, due January 31 (February 1 in 2027, because January 31 falls on a Sunday).
What do I need to gather?
Statements for every bank account, credit card, loan and payment processor for the whole backlog period. Banks usually provide 18 to 24 months online and older ones on request. Add payroll reports, sales channel reports, the last tax return that was filed, and any loan agreements. Receipts help but are not essential for most transactions; statements are.
Where should the catch-up work start?
If a filing deadline is close, start with the period that filing covers. Otherwise, work newest first. Getting the current year right means you can run the business on real numbers immediately, and the older periods can be rebuilt behind it. The one exception is when opening balances are unknown: then a quick pass through the oldest period is needed to establish them.
One or two years behind
A year or two behind is the most common case, and it follows the same order. If last year’s return has not been filed, that year comes first, because the return needs finished books. Then bring the current year up to date so you can run the business on real numbers again.
Ask your bank for statements going back to the last month your accounts were reconciled, not just to January. Every balance after that point depends on the opening figure being right. And if a lender or investor is waiting for financial statements, agree a date with them once you know how long the catch-up will take, rather than guessing up front.
Haven’t filed business taxes in years? The books side
Unfiled returns change the order, not the method. The IRS asks you to file every return that is due, whether or not you can pay in full, and filing sooner limits interest and late-payment penalties. If you do not file, the IRS may file a substitute return for you, which may leave out deductions you are entitled to. And a refund you are owed has to be claimed within three years of the return’s due date, so old years can cost money as well as risk it.
The books side is rebuilding each year so a return can be prepared from it. The tax side (which years to file, payment plans, penalty relief and any contact with the IRS) belongs with a CPA, enrolled agent or tax attorney. Bring them in early: they will want the books, and you will want their advice on the order.
How long does it take to catch up?
A single year for a small business with a few accounts typically takes two to four weeks once all statements are in hand. Multi-year backlogs take longer, but not proportionally, because the same vendors and patterns repeat. The usual delay is not the bookkeeping. It is waiting for missing statements and for answers to a handful of questions only the owner can answer, which is why a good bookkeeper batches them into one list.
How much does catch-up bookkeeping cost?
As a planning figure, allow roughly one hour per hundred transactions, more if accounts have never been reconciled. Insist on a fixed quote or a capped range after the bookkeeper has looked at the file. Our guide to what catch-up bookkeeping costs goes through what moves the number and how quotes are put together.
Can I do it myself?
Yes, if the backlog is a few months, the accounts are simple and you have the time. Connect bank feeds, import older statements, set rules for recurring vendors, and reconcile every account to its statement month by month. If the books exist but are wrong rather than missing, the steps in how to clean up QuickBooks Online apply. Get help if payroll or sales tax is involved, if returns are already late, or if the last reconciled balance is more than a year old.
What can wait?
Perfect categorization of small expenses, attaching every receipt, and redesigning your chart of accounts. None of those stop a return from being filed.
How do I stop falling behind again?
Separate business and personal accounts, turn on bank feeds, and fix one hour a week or hand it off. Books kept monthly take a fraction of the effort of books rebuilt yearly. If you hand it off, monthly bookkeeping keeps every account reconciled, with your reports by the 5th of each month.
Frequently asked questions
What happens if a business doesn’t file taxes for years?
Penalties and interest keep growing on any tax owed, the IRS may file a substitute return without your deductions, and refunds older than three years are lost. It is fixable: the books are rebuilt year by year, and a CPA, enrolled agent or tax attorney handles the filings and any contact with the IRS.
Can I file business taxes without bookkeeping?
You can file, but the return is only as good as the numbers behind it, and figures you cannot support are a problem if the IRS asks. If time is short, file an extension on time and use the extra months to catch up. An extension gives you more time to file, not to pay, so pay what you expect to owe by the original due date.
Will the IRS penalize me for messy books?
Not for messy books as such. Penalties attach to late returns, late deposits and unpaid tax, which is why deadlines come before tidiness. Books that cannot support a return are a real problem in an examination, though, so they still need putting right.
What if I can’t pay the tax once the books are done?
File anyway, because the failure-to-file penalty is far larger than the failure-to-pay penalty. The IRS offers payment plans, and a CPA or enrolled agent can tell you which fits and ask about penalty relief on your behalf.
Remote Bookkeepers offers catch-up bookkeeping with a fixed price agreed before we start, and monthly bookkeeping to keep you current afterwards. Not sure how deep the hole is? Add us as your accountant for a free books review and we will tell you in about 48 hours.