The short answer: an M&A attorney structures the deal (asset vs stock), drafts and negotiates the purchase agreement, runs legal due diligence on contracts, liens, and licenses, and manages escrow and closing documents. They do not value the business, audit its books, or arrange your financing. On a typical small-business purchase their work sits inside the 3% to 5% of deal cost that closing expenses usually total, and it is the least skippable line in that budget.
What they handle at each stage
| Stage | What the attorney does | Learn more |
|---|---|---|
| Letter of intent | Reviews terms, flags what binds you, keeps exclusivity and deposit language sane | LOI guide |
| Deal structure | Advises asset purchase vs stock purchase, which drives taxes and liability | Asset vs stock sale |
| Legal due diligence | Contracts, leases, liens, licenses, litigation, employment exposure | Due diligence checklist |
| Purchase agreement | Drafts or marks up the definitive agreement, reps and warranties, indemnification | Purchase agreement basics |
| Escrow, earnouts, holdbacks | Papers the mechanics that protect you after the wire | Escrow and earnouts |
| Closing | Runs the document checklist, coordinates lender counsel, files transfers | Closing day checklist |
The thread through all six rows is risk allocation. Price is set before the lawyers get busy; what the definitive agreement decides is who pays when something surfaces later, and that is why an attorney experienced in small-business M&A should draft or heavily mark up the agreement rather than bless a generic template.
What they do not do
Three jobs sit next to the attorney's and get confused with it. Valuing the business is your job with your accountant's help, and our valuation calculator is the place to start. Verifying the seller's numbers is a quality of earnings exercise done by an accountant, not a lawyer. Arranging the money is a lender conversation, covered end to end in the SBA loan hub. A good attorney will point at all three and decline to wing any of them.
When to hire one, and what it costs in context
Engage the attorney before you sign anything binding, which in practice means having one lined up by the time your LOI is drafted. Legal fees on a small-business purchase live inside total closing costs that often run 3% to 5% of the deal, alongside the valuation, appraisal, and lender packaging fees, and the hours an attorney spends on the definitive agreement are cheaper than one uninsured liability that a template would have missed. Whether you need one at all has a shorter answer, which we cover in do you need a lawyer to buy a business.
Build the rest of your deal team
The attorney is one seat at the table. The free training covers how the whole purchase comes together around them.
Every claim checkable: 200+ member closings, self-reported and published unedited.
Frequently asked questions
Have one review it before you sign. Most of an LOI is non-binding, but exclusivity, confidentiality, and deposit terms usually do bind, and an hour of review before signing is cheaper than negotiating your way out later.
Yes in practice. Small-business M&A turns on deal structure, reps and warranties, and indemnification language that a lawyer who closes acquisitions handles weekly and a generalist may see twice a year. Hire for the transaction type, not the title.
They run the closing checklist: confirming every document is signed, coordinating with the lender's counsel, managing the escrow mechanics, and making sure licenses, leases, and titles actually transfer with the business.
The accountant. Financial verification is a quality of earnings exercise, while the attorney's due diligence covers the legal side: contracts, liens, licenses, and litigation.
