The consequence question
What actually happens if your books are wrong?
Usually: nothing much. Books are corrected constantly, by every business, including well-run ones with full finance teams. Error is normal; the system is built to absorb it.
But a few errors behave completely differently, and it is worth knowing which you have before deciding how worried to be. The difference is not the size of the mistake. It is whether it sits inside something with a deadline, a counterparty, or a decision attached.
One of these is expensive. The other three usually are not.
Founders tend to treat all errors as equally alarming, which produces either constant low-grade anxiety or a decision to stop looking. Neither helps. These are genuinely different situations with different costs.
| Kind of error | Example | What it actually costs |
|---|---|---|
| Presentation | Something in the wrong category, a supplier under two names, a cost in the wrong month. | Almost nothing. Corrected in minutes, and correcting it is routine rather than remedial. |
| Incomplete | A missing receipt, an unexplained transfer, a transaction recorded without support. | Cost depends on what it supports. Harmless in isolation; a problem if it sits under a number someone relies on. |
| Filed | A figure that has already gone to a tax authority or a lender in a return or a statement. | This is the expensive one. It now has a date, a recipient, and usually a correction procedure with its own consequences. |
| Decisional | A number that caused you to act — hire, extend terms, take on work, distribute cash. | Cost is whatever the decision cost. This is the error nobody reports, because it never surfaces as an error at all. |
Errors are not usually wrong entries. They are unfinished ones.
The mental image of a bookkeeping error is a number typed incorrectly. In practice that is rare and easily caught, because a wrong number tends not to agree with anything else.
What actually goes wrong is that something was recorded and then not carried through. An invoice raised and never chased, so the receivable is real on paper and imaginary in the bank. A bill entered twice from a duplicate email. A payment matched to the wrong invoice, leaving two records subtly untrue. A transfer between your own accounts counted as both revenue and cost. In each case the entry is defensible on its own and the position is still wrong.
Every one of those is an obligation — something owed, owing or due — that was recorded but never carried to closure. That is why "are my books accurate?" is the wrong question to ask about a small finance operation. The better one is "is anything still open that everyone assumes is finished?"
Four checks you can do yourself this afternoon.
None of these requires accounting knowledge. Each one tests whether the records agree with something outside the records, which is the only kind of check that means anything.
- Does the bank balance in the books match the bank? Not approximately — exactly, on the same date. If it does not, everything built on top of it is uncertain, and this is the first thing to fix.
- Does the list of who owes you match reality? Pick the three largest. Would you be comfortable emailing each one today saying this amount is outstanding? If not, the receivables figure is a story rather than a position.
- Is anything on the list you know is never arriving? Debts that are not collectable but remain on the books inflate what you appear to be owed and quietly distort every decision made against it.
- Can you explain last month’s result in a sentence? If the answer requires opening something, the books may be accurate and are not yet useful — which is a different problem with the same symptom.
If all four pass, your books are in better shape than most. If the first one fails, start there and ignore the rest until it is fixed.
Not error-free. Explainable.
No set of books is free of error, and a provider who implies otherwise is describing something that does not exist. What separates a defensible finance operation from a fragile one is not the absence of mistakes but what happens when the evidence does not agree.
In a fragile operation, ambiguity gets resolved by assumption — someone categorises it confidently and moves on, and the assumption becomes indistinguishable from fact. In a defensible one, the line stops, the question gets asked, and the answer is recorded next to the entry. Corrections are visible as corrections rather than quietly overwritten, so anyone can see what changed and why.
At Par is built around the second behaviour. Each routine record is produced once and independently reconstructed by a second check that cannot see the first answer; where the two disagree, the record does not post and a person decides. A qualified accountant is accountable for the standards the work is done to, corrections are recorded rather than erased, and every figure keeps the document it came from attached.
Usually before admitting they are not sure the books are right.
Can you get in trouble for incorrect bookkeeping? +
For errors in your own internal records, generally not — records get corrected as a matter of routine. Exposure arises when an incorrect figure has been submitted to someone who relies on it: a tax authority in a return, a bank in a covenant or loan application, an investor in a report. At that point it stops being a bookkeeping question and becomes a disclosure and correction question, which is why the useful test is whether the number has left the building rather than how wrong it is.
How do I know if my books are wrong? +
The fastest meaningful test is whether they agree with something outside themselves. Does the cash balance in the books match the bank exactly on the same date? Would you be comfortable sending each of your three largest customers a statement of what they owe? Is anything on that list not actually coming? Those three checks catch a large share of real problems and none of them requires accounting knowledge. Internal tidiness proves very little on its own.
Is it worth fixing old mistakes? +
It depends on whether the mistake is load-bearing. If it sits under a figure that was filed, lent against, or used to make a decision, fixing it is worth doing and worth doing promptly. If it is a categorisation in a period nobody will revisit, the correction may cost more attention than the error ever will. The judgement is not about tidiness — it is about whether anything downstream depends on the number being right.
What if my accountant made the mistake? +
It happens, and it is usually recoverable. What matters more than fault is whether the arrangement makes errors visible: whether corrections are recorded rather than silently overwritten, whether each figure can be traced to the document it came from, and whether unresolved items are listed rather than absorbed. A provider who can show you what changed and why is a safer arrangement than one who has never appeared to make a mistake.
Do small businesses get audited? +
Statutory audit requirements depend entirely on jurisdiction, size and structure, and many small businesses never face one. But audit is not the only reason your records get examined — a bank considering lending, a landlord, an investor, an acquirer, or a tax authority asking a routine question will all want records that stand up. Keeping books audit-ready is worth doing for those far more likely events, not for the audit itself. At Par does not provide audit or assurance services; it keeps the books in a state your auditor or tax agent can work from.
Send us the month you are least sure about. We will tell you what is actually wrong with it.
A bank statement and whatever records exist for one period. We will say what agrees, what does not, and whether any of it is the kind that matters.
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Reviewed by an ACCA on the At Par team · Last updated 29 July 2026 · This page is written to be used on any provider, including At Par. See what we actually do.