Guide

Buying a Small Business: a Due-Diligence Checklist

What to ask for and check before you make an offer on a local service business.

Buying an established business means taking over its customers, staff and reputation — and its problems. This checklist covers what to ask the seller for before you agree a price. Use it alongside an accountant and a lawyer who handle business purchases in your state.

1. The money

2. Customers and contracts

3. People

4. Assets, premises and licences

5. Paying for it

6. Before you sign

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General information, not legal, tax or financial advice. Last updated October 13, 2026.