The short version: a business broker lists smaller, Main Street businesses publicly and waits for buyers; an M&A advisor runs a confidential, targeted process for larger lower-middle-market companies ($10M–$100M in revenue), approaching specific qualified buyers under NDA to create competition. Choosing the wrong one is one of the most expensive mistakes a founder can make at exit.

Both help owners sell businesses, and the titles are used loosely, so the line between them is genuinely confusing. But the two roles are built for different deal sizes, different buyers, and different levels of process — and the gap shows up directly in your sale price and deal terms.

Side-by-Side Comparison

 Business BrokerM&A Advisor
Typical deal sizeUnder ~$2–5M in value ("Main Street")$10M–$100M+ in revenue (lower middle market)
Typical buyersIndividuals, owner-operators, local buyersPrivate equity, strategics, family offices, PEGs
How buyers are foundPublic listing on marketplaces; inboundTargeted, confidential outreach under NDA
ProcessListing & wait; one buyer at a timeStructured, competitive process to many buyers at once
ConfidentialityLimited — business is publicly for saleHigh — NDA-gated; employees & competitors don't find out
StaffingMany listings at once, often junior staffFew engagements, senior-led start to finish
Fees~8–12% success fee, little/no retainerModest retainer + lower % success fee (often a Lehman-style scale)
What you're paying forAccess to a listing and transaction paperworkCompetitive tension, valuation, negotiation, deal structure

The core distinction: a broker gives your business exposure; an advisor engineers competition. For a company large enough to attract professional buyers, competition — not exposure — is what moves price and terms.

Which One Do You Need?

A business broker is usually right if…

An M&A advisor is usually right if…

The overlap zone ($3–10M): deals in this range can go either way. The deciding factors are buyer type (institutional vs. individual) and complexity (clean asset sale vs. structured deal). If professional buyers are in play, lean toward an M&A advisor. Read our guide to selling your business and get a confidential valuation to place your deal on the map.

M&A Advisor vs. Investment Banker

People also ask how an M&A advisor differs from an investment banker. In practice the terms overlap heavily. "Investment banker" usually implies larger or public-company transactions and a bulge-bracket or middle-market bank; "M&A advisor" is the common term for the sell-side specialist serving the lower middle market. The underlying work — running a confidential, competitive process to qualified buyers and negotiating the deal — is the same. For a founder-owned $10M–$100M business, a senior-led M&A advisor is typically the right level of representation.

Why the Fee Difference Is Misleading

On paper, a broker's ~8–12% success fee can look cheaper than an advisor's retainer-plus-success-fee. It usually isn't. On a lower-middle-market deal the advisor's success-fee percentage is typically lower, and — more importantly — the competitive process is designed to raise the sale price and improve terms by more than the fee. A single additional qualified bidder, or a better-negotiated earnout and working-capital peg, routinely outweighs the entire advisory fee. The right question isn't "what's the fee?" — it's "what net proceeds and terms will each path actually produce?"

When to engage an advisor: 6–24 months before you want to close. Early engagement lets you fix value gaps — customer concentration, owner dependence, EBITDA quality — while they still move the price. At a minimum, engage before responding to any inbound offer: negotiating alone against a professional buyer, with no competing bid, is where founders lose the most value.

Frequently Asked Questions

What is the difference between an M&A advisor and a business broker?

A business broker typically lists smaller, Main Street businesses (often under $2–5M in value) on public marketplaces and waits for buyers. An M&A advisor runs a confidential, targeted process for larger lower-middle-market companies ($10M–$100M in revenue): identifying specific qualified buyers, approaching them under NDA, and creating competitive tension through a structured process. Brokers work many listings at once; M&A advisors provide senior-level involvement on a small number of engagements.

Do I need a business broker or an M&A advisor to sell my business?

It depends on size and complexity. Under roughly $2–3 million with individual buyers, a business broker is usually the right fit. With $10M–$100M in revenue, private-equity or strategic buyers, and a need for confidentiality and competition, an M&A advisor is the better fit. The $3–10M overlap zone can go either way depending on buyer type and deal complexity.

How much does an M&A advisor cost compared to a business broker?

Business brokers typically charge an 8–12% success fee with little or no retainer. M&A advisors charge a modest monthly retainer plus a lower percentage success fee (often a Lehman-style declining scale) that is smaller on larger deals. On a lower-middle-market transaction the advisor's percentage is usually lower, and the competitive process is designed to more than offset the fee through a higher price and better terms.

What is the difference between an M&A advisor and an investment banker?

The terms overlap heavily. "Investment banker" usually implies larger or public-company transactions; "M&A advisor" is the common term for the sell-side specialist serving the lower middle market ($10M–$100M revenue). The core work is the same. For a founder-owned lower-middle-market business, a senior-led M&A advisor is typically the right level of representation.

When should I hire an M&A advisor?

Engage 6–24 months before you want to close. Early engagement lets you fix value gaps — customer concentration, owner dependence, revenue quality — before going to market, when they still move the price. At a minimum, hire an advisor before you respond to any inbound acquisition interest; negotiating alone against a professional buyer, without a competitive alternative, is where founders leave the most value on the table.

Can a business broker sell a $20 million company?

Some can, but most Main Street brokers aren't set up for it. A $20M company attracts private equity and strategic buyers who expect a confidential information memorandum, a data room, a competitive LOI process, and a negotiator experienced with earnouts and working-capital pegs. That's M&A advisory work — and a public listing usually surfaces fewer and weaker buyers than a targeted, confidential process would.

Not Sure Which You Need?

Get a confidential, no-obligation read on your business and the right process from David Halvorson — 500+ closed transactions, senior-led from first call to close.

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