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Guide7 min readUpdated this week

Run your first diligence request

Diligence is not a document dump. It is a sequence: each request should either confirm the story the seller told you or expose the gap. Ask in the wrong order and you burn goodwill on paperwork you cannot yet interpret.

In this guide

Before you ask for anything

Read the listing twice and write down the three claims the price depends on. Recurring revenue at 94%, no customer above 3%, owner working 20 hours a week — whatever they are. Diligence is the process of testing those three claims, in that order. Everything else is secondary.

Sign the NDA first

Most sellers release nothing financial until an NDA is signed, and the ones who do usually regret it. Signing costs you nothing and moves you into the tier where documents actually flow.

The first four documents

Profit and loss, three years

Monthly if they have it, annual at minimum. You are looking for the trend and the seasonality, not the exact figures yet.

Revenue by customer

Anonymized is fine. This tests the concentration claim, which is the single most common reason a deal gets repriced later.

Balance sheet, most recent

Tells you what working capital the business actually needs to run, which determines what has to be left in at close.

Owner compensation and add-backs

Every EBITDA figure on a small deal has add-backs. You need the list, not the total, and you need to agree which ones a buyer would genuinely not incur.

The second wave

Only once the first four hold up. Asking for all of this upfront signals a tourist rather than a buyer.

  • Customer contracts or terms, especially renewal dates and notice periods.
  • Employee census: roles, tenure, compensation, and who is on a contract.
  • Property lease, with the assignment clause read closely.
  • Equipment schedule and any deferred maintenance.
  • Tax returns for the same three years, to reconcile against the P&L.

What to read first in each

Profit and lossGross margin trend before revenue growth. Margin compression while revenue climbs usually means discounting.
Revenue by customerThe top 10 as a share of total, and whether any of them started in the last 18 months.
Balance sheetAccounts receivable aging and inventory. Both tell you where cash is trapped.
Add-backsAnything recurring dressed as one-off. A "one-time" expense appearing in three consecutive years is an operating cost.
LeaseWhether it transfers, what the landlord can demand on assignment, and the remaining term against your payback period.

Red flags worth pausing on

  • Tax returns that do not reconcile to the P&L, with no explanation offered.
  • A largest customer above 20% of revenue that is also on a short notice period.
  • Add-backs that make up more than a quarter of stated EBITDA.
  • An owner who cannot describe how the business runs in their absence.
  • Documents that arrive as screenshots or reformatted spreadsheets rather than originals.
A flag is a question, not an exit

Every business has something. What matters is whether the seller can explain it plainly and whether the explanation survives one follow-up.

How to ask without burning goodwill

Batch your requests rather than sending them one at a time, say what each document is for, and give a date you will come back by. Sellers are usually running the business while answering you, and the buyer who is easy to deal with in diligence is the one who gets the deal when two offers match.

Use the deal room rather than email. Requests, releases, and versions are tracked in one place, so neither side spends a week arguing about what was sent.

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