The Pre-Diligence Cleanup Checklist
Diligence is a test you can study for. The owners who pass it without a price cut did the cleanup before the buyer's accountant ever opened a file — so the review confirmed their number instead of chipping away at it.
Reconcile everything until it ties out
This is the unglamorous foundation and there's no skipping it. Every bank and credit-card account reconciled, accounts receivable and payable current and accurate, no mystery balances sitting on the books because someone plugged a number two years ago. If the financials don't tie out, a buyer stops trusting all of them — and distrust always gets priced against the seller.
Clean, reconciled books are the difference between a buyer who verifies quickly and moves on, and one who slows down, digs in, and starts finding reasons to lower the price.
Restate revenue so it tells the truth
Split what's genuinely recurring from what's one-time. Recognize revenue in the period it's earned, not just when cash arrived. Surface any customer concentration before the buyer does, with the context that makes it less alarming. A buyer pays more for revenue they believe will repeat — and clean, honestly-presented revenue is how they come to believe it.
Normalize earnings and document every add-back
This is where real money moves. Normalize owner compensation to a market rate, identify the personal expenses run through the company, and isolate genuinely one-time costs — then document each one with support a stranger's accountant would accept. An add-back you can prove raises your earnings and your price. An add-back you merely assert gets thrown out, and with it the multiple attached to it.
The test for every adjustment is simple: could you defend it, on paper, to someone whose job is to disallow it? If not, it doesn't belong in the number — and it's far better to learn that from us than from the buyer.
Tidy the balance sheet and mind the working capital
Clear out stale and junk items, write off what's truly uncollectible, and understand your normal level of working capital — because deals true up against a working-capital "peg," and starving it beforehand to flatter cash usually just gets clawed back at closing. A clean balance sheet is a quiet signal that the whole operation is well-run.
Build the data room as you go
As you clean, assemble the organized, reconciled statements, the add-back support, and the key contracts into one tidy place. When a buyer asks, you're ready in hours, not weeks — and speed plus organization reads, correctly, as a company that has nothing to hide. A sell-side quality-of-earnings package is the polished version of exactly this work.
Straight answers
Do I need a quality-of-earnings report before I'm approached?
Not always, but the cleanup behind one is worth doing early regardless. If a sale is likely and near, a sell-side QoE lets you set the anchor and hand buyers a number their own accountants will respect. If it's further out, start with clean books and documented add-backs.
How long does this cleanup take?
It depends on how far behind the books are, but figure a few weeks to a few months for a real cleanup, and longer for the improvements that reduce owner-dependence. Which is exactly why you start before you get the call, not after.
Can I just do this myself?
You can do plenty of it — but the earnings normalization and add-back defense are where an experienced outside eye earns its fee, because they're judged by a hostile expert later. Doing the reconciling yourself and getting help on the number is a reasonable split.
Diligence has already started and it's messy. Is it too late?
Not necessarily, but you're now cleaning up under scrutiny, which is harder and weaker. Get help fast, get organized, and get ahead of the issues you can still control. The lesson for next time — and there's often a next time — is to start before the buyer does.
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