FOR SELLERS
What Is an Earnout? What It May Cost You as a Seller
An earnout sounds like extra money for a strong business. In practice, it's a bet on the future — and the data says the house usually wins.
Earnouts now show up in roughly one out of three lower-middle-market sales. Most sellers evaluate them as if they were guaranteed cash. That's the mistake.
If a buyer has offered you a purchase price with part of it paid later, based on how the business performs after you leave, you’re looking at an earnout business sale structure. It’s one of the most common ways a deal gets done when a buyer and a seller can’t fully agree on price, and one of the least understood parts of the offer.
Most sellers read an earnout the same way they’d read cash: they add it to the headline number and call that the deal. That’s the mistake this article is about. Here’s what an earnout actually is, why it’s showing up in more deals right now, and what the data says happens to sellers who don’t negotiate the details before signing.
I. What an Earnout Actually Is
An earnout is a piece of your sale price that isn’t paid at closing. Instead, you receive it later, typically over one to two years, and only if the business hits agreed targets after the buyer takes over.
A simple example: a buyer offers $2 million for your business — $1.5 million at closing, plus up to $500,000 more if the business hits $2.5 million in revenue over the next two years. Hit the number and you get the full $500,000. Fall short, and you get less, or nothing.
The logic on the buyer’s side is straightforward: they don’t want to pay full price today for growth they aren’t certain will show up. The logic on your side should be just as straightforward: you’re being asked to keep betting on your own business, on someone else’s terms, after you no longer control it.
II. Why Earnouts Are Showing Up in More Deals
This isn’t a fringe structure. According to SRS Acquiom, which tracks deal terms across more than 4,400 private-target transactions, earnouts now appear in 29% of lower-middle-market deals up to $50 million, and 35% of deals up to $25 million. That’s up from 19% of private-target deals overall in 2014 to 24% today.
There’s a reason it’s climbing right now specifically. Axial, which surveys dealmakers across the lower middle market each quarter, found that valuation disagreement was the single biggest reason deals failed to close in the first half of 2026 — cited by 57% of surveyed dealmakers, more than double the rate reported a year earlier.
Put those two facts together and the pattern is clear: buyers and sellers are disagreeing on price more often, and an earnout is increasingly the tool used to paper over the gap. If a buyer thinks your business is worth $1.8 million and you think it’s worth $2.2 million, an earnout lets you both sign something without either side backing down — the buyer pays their number now, and you get a shot at the rest later. That’s a reasonable way to close a gap. It’s a much worse deal for you if the “later” part never delivers.
| Earnout, at a Glance | Figure |
|---|---|
| Share of small business sales that include one | 29% (deals up to $50M), 35% (deals up to $25M) |
| Typical size, as a share of total price | ~34%, on average |
| Typical length | 24 months |
| Actual dollars collected, on average | ~20% of the maximum promised |
Figures reflect SRS Acquiom’s published analysis of private-target M&A deal terms and earnout outcomes, 2025-2026. Individual results vary by deal and industry.
III. The Math Most Sellers Don't Run
Here’s the number that should change how you read an earnout offer: across deals that include one, sellers collect roughly one out of every five dollars of the maximum earnout amount — about 20 cents on the dollar, according to SRS Acquiom’s published data on earnout outcomes.
Run that against the earlier example. A $500,000 earnout isn’t really a $500,000 earnout. On average, it’s closer to $100,000. The other $400,000 is the part most sellers mentally spend and never see.
IV. Why So Much of the Promised Money Never Shows Up
The gap between what’s promised and what’s paid isn’t usually outright bad faith. It’s usually structural, built into how most earnouts get written. Three things drive it.
1. The metric is easy to move. If your earnout is based on profit (EBITDA) rather than revenue, the buyer controls the inputs after closing — how much overhead gets allocated to your division, what expenses get pushed onto it, how shared costs get split. A metric that looks objective on paper can be steered lower without anyone doing anything obviously wrong. This is exactly why revenue has become the dominant earnout metric, used in 62% of deals versus 22% for EBITDA, because it’s far harder for a buyer to quietly manipulate.
2. There’s often no real obligation to try. Most earnouts don’t include a meaningful commitment from the buyer to actually pursue the target. Only about a third of lower-middle-market deals include a “commercially reasonable efforts” clause obligating the buyer to make a genuine effort toward the number, down sharply industry-wide after a string of court decisions made buyers wary of promising too much. Without it, a buyer can deprioritize your product line, redirect the sales team, or fold your business into theirs in a way that quietly starves the metric, and still be within their rights.
3. Disputes take years, and most sellers don’t have years. When a seller believes the metric was manipulated, resolving it in court typically takes four to five years. Very few sellers have the appetite, or the cash reserve, to fight that long over a contingent payment.
None of this means you should refuse every earnout. It means you should negotiate the mechanics before you sign, not after the first quarterly report comes in low.
V. What to Negotiate Before You Sign
If a buyer’s offer includes an earnout, here’s where the leverage actually is, before the LOI is signed, not after.
Push for revenue, not profit, as the metric.
It’s harder to manipulate, and it’s already the market standard in nearly two out of three deals.
Ask for a commercially reasonable efforts clause.
This is the buyer’s actual commitment to try. It’s a genuinely negotiable point — roughly a third of lower-middle-market buyers already agree to it, and it costs the buyer little to concede.
Get reporting rights and audit access
So you can see the numbers regularly during the earnout period and have the right to have them independently checked.
Negotiate acceleration on a sale or change of control
So that if the buyer sells the business before your earnout period ends, the full amount becomes due immediately rather than disappearing into whoever buys it next.
Put a floor under the number where you can.
Even a modest guaranteed minimum changes the math dramatically compared to an all-or-nothing structure.
Conclusion: Price the Earnout, Don't Just Add It
An earnout can be a legitimate way to bridge a real gap between what a buyer will pay today and what you believe your business is worth. But it isn’t free money sitting on the table waiting for the calendar to turn.
Treat the contingent portion of your price the way the data suggests you should: as roughly a fifth of its face value until proven otherwise, and as a set of terms worth negotiating just as hard as the number in front of it.
This is not legal advice.
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