Business Broker Fees: What You'll Pay
Broker fees are the most common question business sellers ask. Here is what you'll actually pay, what the market rate is for your deal size, and how to evaluate whether a broker's fee is justified.
Standard Commission Rates by Deal Size
Business broker commissions are almost always structured as a percentage of the final sale price. The commission rate is inversely correlated with deal size — smaller deals carry higher percentage fees because the work involved is similar regardless of price.
The Lehman Formula
For larger transactions, many brokers and M&A advisors use a tiered structure called the Lehman Formula. Instead of a flat percentage, the fee steps down as the deal gets larger. The original version, dating to a 1960s Lehman Brothers standard:
On a $3M deal under this structure, the fee would be $120,000 — a 4.0% blended rate. Under a flat 10% commission, it would be $300,000.
For Main Street deals under $5M, most brokers use the Double Lehman instead — every tier doubled: 10% / 8% / 6% / 4% / 2%. On that same $3M deal, Double Lehman comes to $240,000 (8.0% blended) — still less than a flat 10% commission, but meaningfully more than the original scale, which most brokers now consider too low for smaller deals. "Modified Lehman" schedules also exist — brokers customize the tiers or breakpoints, so always get the exact schedule in writing rather than assuming a standard one applies.
Compare flat-fee, Lehman, and Double Lehman on your own numbers →
Upfront Retainers
Some brokers — particularly for more complex or larger deals — charge an upfront retainer to cover the cost of preparing the Confidential Information Memorandum (CIM), conducting initial market analysis, and starting the buyer outreach process. Retainers typically range from $2,500 to $15,000.
This is not inherently a red flag, but you should confirm:
What the Fee Actually Covers
Business broker fees cover a significant amount of work that sellers often underestimate. Over the course of a 6–12 month engagement, a working broker will typically:
Is the Fee Worth It?
The most useful way to evaluate a broker fee is to ask: what does proper representation add in value, and how does that compare to the fee?
Research consistently shows that brokered business sales close at 15–25% higher prices than unrepresented or DIY sales, even after accounting for the broker fee. The drivers: competitive buyer processes, professional CIM preparation, proper valuation, and skilled negotiation on deal structure. On a $1.5M business, 20% is $300,000 — against a 9% broker fee of $135,000, the net gain from representation is still $165,000.
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