How Business Brokers Get Paid: Fee Structures Explained

Broker fees are where good relationships start — or where bad ones hide. The structures themselves are not complicated, but they're rarely explained plainly, and the difference between a fair agreement and a costly one usually lives in two or three clauses. Here's the whole landscape, so you can read your listing agreement like someone who's seen a hundred of them.

The market these fees live in: Q1 2026 in four numbers

Source: BizBuySell Insight Report, Q1 2026 — 2,345 closed transactions totaling roughly $2 billion. On the median $350K deal, a 10% success fee is $35,000 — exactly why this structure deserves twenty minutes of your attention.

The success fee: the industry's backbone

For "main street" businesses (roughly under $2M in sale price), the standard model is a commission paid only when the business actually sells — typically 8–12% of the sale price, with 10% the most common figure, according to fee guides from brokerages like MidStreet and Morgan & Westfield's comprehensive fee guide. The logic is alignment: the broker eats their marketing costs unless they deliver a closing, and a higher price pays them more too.

Most brokers also set a minimum fee — commonly in the $10,000–$25,000 range — so that very small deals still cover their costs. Ask for the number; it matters most if your business is likely to sell under ~$150K.

Lehman and Double Lehman: how bigger deals are priced

Above roughly $2–5M, flat percentages give way to tiered formulas descended from the classic Lehman formula: 5% of the first million, 4% of the second, 3% of the third, 2% of the fourth, 1% thereafter. Because the original scale predates decades of inflation, most intermediaries today use the Double Lehman (10-8-6-4-2) or a modified variant. On a $4M sale, Double Lehman works out to $280,000 — an effective 7%. The exact tiers are negotiable; what matters is that you model the formula against your realistic price range before signing, not after.

Retainers and upfront fees: legitimate tool, classic trap

In genuine mid-market M&A, monthly retainers or an upfront engagement fee (often credited against the success fee at closing) are normal — they compensate real preparation work on deals that take a year or more. The trap version looks similar but smells different: a large upfront "marketing" or "valuation" fee on a small main-street listing, from a firm whose economics work fine even if nothing ever sells. It's the number-one warning in BizBuySell's red-flags guide, and it's the pattern behind most "my broker took my money and disappeared" stories — including the ones in our piece on real cases of people burned by brokers.

A fair question that settles it fast: "What percentage of your revenue last year came from success fees at closing, versus fees collected before a sale?"

The clauses that decide what you actually pay

• Exclusivity. Nearly all listing agreements are exclusive: the fee is owed even if you find the buyer yourself. Reasonable — the broker is investing up front — but know it's there, and carve out any buyer you're already in talks with, by name, before signing.
• The tail period. If a buyer the broker introduced closes within 12–24 months after the agreement ends, the fee is still owed. Standard and fair; just make sure the tail applies to buyers the broker actually introduced (ask for the list in writing when you part ways), not "anyone who ever saw the listing."
• What the fee applies to. Sale price sounds simple until real deals include seller notes, earnouts, inventory, and real estate. Pin down which components are commissionable — real estate, for instance, often carries a separate (lower) rate.
• Termination. How do you exit if the relationship isn't working? A 6–12 month term with a 30-day out clause is a reasonable ask; a broker who resists any exit is telling you how confident they are in their own service.

What's normal, at a glance

• Under ~$2M: 8–12% success fee, possible minimum fee, little or no money up front.
• ~$2M–$10M: Double/Modified Lehman tiers, sometimes a modest retainer credited at closing.
• $10M+: negotiated investment-banking-style engagements — retainer plus success fee, per guides like ClearlyAcquired's 2026 fee breakdown.

And in every bracket: get the full fee schedule in writing before signing, and treat vagueness itself as the red flag. Transparency about money is one of the six parameters clients rate brokers on here — and in our review data it's the one where the worst experiences show up first.

Frequently asked questions

What percentage do business brokers charge?

For main-street businesses, typically 8–12% of the sale price at closing, with 10% most common, plus minimum fees often in the $10,000–$25,000 range. Above roughly $2M, tiered formulas like the Double Lehman (10-8-6-4-2%) usually apply.

Do you pay a business broker up front?

Usually not for main-street deals — reputable brokers there earn success fees only at closing. Modest retainers credited against the final fee are normal in mid-market M&A. Large non-refundable upfront 'marketing fees' on small listings are a well-documented warning sign.

What is the Double Lehman formula?

A tiered fee schedule: 10% of the first $1M of the sale price, 8% of the second, 6% of the third, 4% of the fourth, and 2% above that. On a $4M sale it totals $280,000 — an effective 7%.