Most small business owners don't realize their books are in trouble until they're staring down a tax deadline or trying to get a loan and can't produce a clean profit and loss statement. By then, the damage is done.

Here are five signs your books need attention — and what to do about it.

Reconciliation is the process of matching your bank and credit card statements to what's recorded in your accounting software. If you haven't done it in a while, you have no idea whether your numbers are accurate.

Unreconciled accounts mean:

• Duplicate transactions you don't know about
• Missing expenses that could reduce your tax bill
• Revenue that was never recorded
• A balance sheet that's essentially fiction

If your last reconciliation was more than 30 days ago, that's a problem worth fixing now.

A profit and loss statement (P&L) tells you whether your business made or lost money over a given period. It's the most basic financial report there is — and if you can't pull one up in under two minutes, your books aren't working for you.

Lenders, investors, and accountants will ask for this. So will the IRS if you're ever audited. "I don't have that" is not an answer that goes over well.

This one is extremely common, especially in the first year or two of running a business. You grab lunch with a client and put it on your personal card. You buy office supplies at Target and throw them in with the groceries.

The problem: you can't deduct what you can't document. And when everything is mixed together, your accountant has to spend hours sorting it out — hours you're paying for. (This is also one of the key reasons bookkeeping and accounting are not the same thing — your accountant shouldn't be doing cleanup work at their hourly rate.)

Open a dedicated business checking account and business credit card. Use them exclusively for business. It's one of the simplest things you can do to make your books cleaner.

If the thought of gathering your financials for your accountant fills you with dread, that's a signal. Clean books make tax prep straightforward. Messy books make it expensive and stressful.

When your books are in order, your accountant can focus on strategy — finding deductions, planning for next year, minimizing your liability. When they're not, your accountant is doing cleanup work at their hourly rate instead.

Not in a philosophical sense — in a practical one. If someone offered to buy your business tomorrow, could you tell them what it's worth? Could you show them three years of clean financials?

If the answer is no, you're flying blind. Good books give you a clear picture of your business's health at any given moment. They tell you which services are profitable, where you're overspending, and whether you're actually growing.

If two or more of these hit close to home, it's time to get your books cleaned up. The longer you wait, the more work it becomes — and the more it costs.

If you've been putting it off for months (or years), that's exactly what catch-up bookkeeping is designed for — a structured process to get your financial history reconciled and accurate, no matter how far behind you are.

At On the Boox, our Clean It Up service specializes in exactly this kind of cleanup. We'll get your books reconciled, your accounts organized, and your financials in a state you can actually use. Get a free book review and consultation and we'll tell you exactly what it'll take.