Khaled Azar 
An earn-out is a portion of the purchase price that depends on the business hitting future performance targets after closing. In practice, earn-outs account for 20-30% of total deal value in most lower middle market transactions. They sound like a win-win. They rarely are.
Buyers use earn-outs to shift risk onto sellers. If the business performs, you get paid. If it does not, you absorb the loss on a company you no longer control. That gap between promise and payout is where most sellers get burned.
What Is an Earn-Out?
An earn-out is part of the price that you get later, and only if the business hits targets you agreed on.
In a business sale, an earn-out (also written earnout or earn out) is the part of the purchase price that the buyer pays after closing, and only if the business hits set targets. The rest of the price is paid in cash at closing. The earn-out is the part you still have to earn.
Every earn-out has 4 parts, and all 4 are written into the purchase agreement:
- The target. The number the business must hit, such as revenue, gross profit or EBITDA (profit before interest, taxes and some non-cash costs).
- The period. How long the business has to hit it, usually 1 to 3 years after closing.
- The payout formula. All or nothing, or a share of the payment for each step toward the target.
- The payment dates. When the buyer must measure the result and pay you.
What “earned out” means
A seller who “earned out” saw the business hit its targets and received the full earn-out payment. If the business hit only part of the targets, the seller got a partial payment or nothing, depending on the formula.
Earn-out vs. seller note
An earn-out is not the same as a seller note. A seller note is a loan from you to the buyer, with fixed payments on fixed dates that do not depend on results. An earn-out pays only if the targets are hit.
What an Earn-Out Actually Looks Like
The math is simple. The execution is not.
Say you sell your business for $5 million. The buyer pays $3.5 million at closing. The remaining $1.5 million is contingent on revenue hitting $2.5 million within 18 months.
On paper, the deal is $5 million. In reality, the guaranteed number is $3.5 million. Everything else depends on targets you may not control once the keys change hands.
According to SRS Acquiom data, roughly a third of earn-outs result in partial payment or no payment at all. The odds are not as good as most sellers assume.
Evaluate every earn-out offer based on the guaranteed amount at closing, not the headline number.
Why Buyers Love Earn-Outs
Earn-outs solve several problems for buyers at once. They reduce upfront capital risk, keep the seller engaged through the transition, and buy time to verify that the business performs as advertised.
- De-risks the purchase: The buyer avoids paying full price for unproven future performance.
- Keeps you invested: You are more likely to stay and help post-close if money is on the line.
- Inflates the headline price: Offering $5 million sounds better than $3.5 million, even if the earn-out never pays out.
From the buyer’s perspective, earn-outs are smart deal mechanics. From yours, they are a bet you need to evaluate carefully.
Why Earn-Outs Are Risky for Sellers
You gave up control. You kept the risk.
The core problem is simple: once you sell, you no longer run the business. But your payout still depends on how it performs.
The buyer can cut your marketing budget, reassign your team, delay product launches, or reallocate costs in ways that make your targets harder to hit. You may be locked in for 12 to 36 months with no real say in operations.
Earn-out disputes are common. In our experience advising sellers through the due diligence and closing process, we have seen sellers end up in arbitration over vague metric definitions and shifting accounting treatment.
If you cannot control the levers that drive your earn-out metrics, the contingent payment is worth far less than it appears.
When an Earn-Out Can Make Sense
Earn-outs are not always traps. In certain situations, they can bridge a valuation gap and create real upside for the seller.
- You have leverage and trust the buyer. Multiple bidders competed for your business, and you chose a buyer whose track record gives you confidence. Strong negotiating position means better protections.
- You are staying on and driving growth. If you plan to remain in a leadership role and the earn-out metrics align with growth you are actively creating, the structure works in your favor.
- The metrics are short-term and clearly defined. A revenue target over 12 months with clean accounting definitions is far safer than a 3-year EBITDA target with vague treatment of expenses.
- The earn-out bridges a gap, not masks weak terms. If the buyer can justify $4 million today but agrees to $5 million contingent on growth you expect, the earn-out is a bridge. If it replaces fair value, it is a trap.
For guidance on structuring the earn-out itself, including metric selection and negotiation strategies, see our separate guide on structuring earnouts in M&A.
How Earn-Outs Go Wrong
Here are the scenarios we see repeatedly in real deals:
- Marketing gets cut. The buyer reduces spend to “optimize,” and your revenue targets become unreachable.
- You leave early. Your payout was tied to staying 24 months, but the new ownership made the role unbearable.
- Product priorities shift. Your business gets folded into a larger portfolio and deprioritized.
- Reporting delays. The buyer is slow to provide financials, and you miss payout triggers or timelines.
The damage is not just financial. Sellers often feel powerless and blindsided, even when the buyer technically followed the contract.
How to Protect Yourself
If an earn-out is on the table, do not just negotiate the number. Negotiate the terms around it.
- Define metrics precisely. Revenue or profit? GAAP or cash basis? What period? What counts as an add-back?
- Cap the earn-out portion. Keep it under 25-30% of total deal value. The more cash at close, the less risk you carry.
- Negotiate operational protections. Can you veto major budget changes? Maintain a role? Access financial reporting?
- Add acceleration clauses. If the business is resold, restructured, or you are terminated without cause, you should get paid immediately.
- Consider alternatives. A seller note, equity rollover, or escrow with clear milestones may be cleaner and safer.
The strength of an earn-out is in the contract language, not the dollar amount. Protect the terms or walk away.
Alternatives to Earn-Outs
If the buyer truly believes in the deal, there are other ways to structure deferred value without tying your payout to targets you cannot control.
| Structure | How It Works | Seller Risk |
|---|---|---|
| Seller Note | Fixed payments over time, not tied to performance | Low: payment schedule is contractual |
| Escrow | Funds held for a defined period with fewer contingencies | Low to moderate: released on known conditions |
| Equity Rollover | Keep a stake and share in future upside | Moderate: tied to long-term business performance |
| Contingent Holdback | Released based on specific, objective conditions | Low: conditions are binary, not subjective |
Each option has trade-offs, but none require you to hit performance targets on a business someone else controls. Your M&A advisor can help you evaluate which structure fits your deal.
Frequently Asked Questions
What percentage of the deal price is typically an earn-out?
Earn-outs in the lower middle market typically represent 10-30% of the total purchase price. In our experience, sellers should push to keep contingent payments below 25% to limit downside risk. The higher the earn-out percentage, the more risk shifts to the seller.
Can you negotiate an earn-out after receiving an LOI?
Yes. The LOI outlines initial deal terms, but earn-out specifics are negotiated during the definitive agreement phase. This is where you define metrics, measurement periods, acceleration clauses, and operational protections. Having an experienced M&A advisor during this phase is critical.
What happens to an earn-out if the buyer resells the business?
Without an acceleration clause, you could lose your earn-out entirely if the buyer flips the company before your measurement period ends. A strong earn-out agreement includes a change-of-control provision that triggers full or accelerated payment if ownership transfers.
Are earn-outs taxed differently than the upfront purchase price?
Earn-out payments are generally taxed as ordinary income when received, unlike the upfront purchase price which may qualify for capital gains treatment. The tax treatment depends on how the earn-out is classified in the purchase agreement. Consult a tax advisor before signing.
Next Steps
Know what your business is worth before an earn-out enters the conversation.
We help sellers evaluate deal structures, model earn-out scenarios, and negotiate terms that protect their payout. Get a clear picture of your options before you sign.