How Due Diligence Works When You Sell a Business
Due diligence is the period after you agree terms with a buyer. During that period the buyer checks the records behind your price. They confirm the profit is real. They confirm the customers are still there. They confirm nothing hidden will become their problem after closing.
The short version
Due diligence starts after terms are agreed. The buyer then verifies what the price was built on. They read the records you used to describe the business. They test whether those records hold up.
That is the key point for sellers. Diligence is checking. It is not a second negotiation. When the numbers are honest the price stands. When the numbers shift the conversation shifts with them.
Most questions are routine. Buyers ask because a lender will ask them the same things.
What buyers ask for
Every buyer works from a request list. The list looks long at first glance. Most of it sits in a drawer you already own. Here is the core of what a buyer will ask to see.
- Business tax returns. The last three years of filed returns.
- Year to date financials. Profit and loss for the current year so far.
- Recent bank statements. Statements that match the books.
- Customer revenue by name. Shared under confidentiality only.
- Major contracts. The agreements your biggest customers signed.
- Leases. The lease for your premises and any equipment.
- Licenses and insurance. Proof both are current and in force.
- Equipment list. What you own and the age of each item.
- Loans on the business. Any debt the buyer needs to know about.
Notice what is missing from that list. Buyers do not start with your staff. Paper comes first for a reason. Paper can be checked quietly.
The order it happens in
Financials come first. The buyer reads the tax returns before anything else. They compare the returns with your books. They compare both with the bank statements.
Customers and contracts come next. The buyer wants to see where the money comes from. They want to know how much rests on one name. They also read the fine print in your main contracts.
Legal and closing items come last. Lawyers check the entity records at this stage. They confirm that licenses can move to a new owner. Most of this work runs in parallel. The purchase agreement is being drafted while the checking continues.
How long it takes
Diligence commonly takes 30 to 60 days. That is a typical range for a small business sale. It sits inside the wider close window of four to eight weeks once terms are agreed.
Prepared sellers land near the short end. Sellers who gather records as requests arrive land near the long end. A lender can also set the pace. The lender runs separate checks before it will fund the purchase.
A clean finish matters more than a fast one. One unanswered question can hold up the final week.
What actually kills deals in diligence
Deals rarely die over small gaps. They die over four problems.
Numbers that do not tie
The tax return says one thing. The books say another. A buyer cannot price a business with two sets of truth.
A top customer who already left
The revenue list still shows a name that stopped buying. The buyer finds out during a contract check. The price was built on revenue that no longer exists.
Licenses that cannot transfer
Some work cannot be done without a license. If that license cannot move to the buyer the deal has a hard stop. This needs checking before terms are agreed.
Surprises the seller kept quiet
A tax bill the seller knew about stays hidden. A lease problem stays hidden too. The facts matter less than the silence around them.
Read that last point again. Buyers forgive most problems they hear about early. They walk away from problems they find on their own. The same fact lands very differently depending on who raises it.
How to make it painless
Build one folder with everything in it. Do this before you ever talk to a buyer. The folder holds the full checklist from this page. It also holds the records behind each item.
State honest gaps early. Then show the paperwork that explains each gap. A missing year of clean books needs a sentence of context. Bank statements can carry the weight while you explain it.
Keep answers in one place as well. Send records through one person on your side. Mixed answers from mixed sources create doubt. Doubt is what slows a deal down.
Above all, keep running the business. Sales during diligence become part of the record. A neglected month gives the buyer fresh questions.
FAQ
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