How to Prepare Your Business for an Audit Before It Happens

Most businesses think about audit prep the way they think about a dentist appointment — something to deal with when it’s already scheduled, not before. That approach almost always means a stressful scramble. Here’s how to actually be ready.

Know what kind of audit you’re preparing for. A financial statement audit (common for nonprofits, businesses with outside investors, or those applying for larger financing) is different from an IRS audit, which is different from a lender’s due diligence review. Each looks at different things, but the foundation for all of them is the same: clean, welldocumented, defensible books.

Reconcile every account, every month — not just at year-end.

Auditors (and lenders, and IRS agents) start by checking whether your books tie out to your actual bank and credit card statements. If reconciliation has been an occasional task instead of a monthly habit, that’s the first thing to fix, and it’s far easier to do consistently than to reconstruct months later.

Keep supporting documentation as you go, not after the fact.

Every material transaction should have a receipt, contract, invoice, or other backup attached or easily retrievable. Trying to find a vendor invoice from eight months ago during crunch time is one of the most common (and avoidable) sources of audit delay.

Document your policies, not just your transactions.

Auditors want to see that you have consistent, written processes for things like expense approval, revenue recognition, and payroll — not just that the numbers happen to be correct this one time. If those policies live only in your head, write them down.

Watch for the classic red flags before someone else finds them.

Unusual or unexplained journal entries, revenue recognized before it’s actually earned, related-party transactions that aren’t clearly documented, and inventory or asset values that haven’t been reviewed in a while are all things auditors are trained to look for first. A pre-audit internal review can catch these while there’s still time to address them calmly.

Start the relationship with your auditor early, not the week the fieldwork begins.

A quick conversation ahead of time about what they’ll need and when can save real time on both sides, and signals that your organization takes the process seriously. The businesses and nonprofits that find audits genuinely painless aren’t the ones with nothing to hide — everyone has that. They’re the ones who treated bookkeeping and documentation as an ongoing discipline all year, so audit prep is just handing over what’s already organized.


If an audit is on the horizon and you want a second set of eyes on your readiness, we can help you get there. Call (312) 772-6105 for a free consultation.

Scroll to Top