When closing isn’t the finish line: the deal that follows you home
Earnouts, seller notes and the money still at risk after you sign.
In this article: Closing doesn't end a founder's financial exposure – it redefines it. More than half of lower-middle market transactions defer proceeds through earnouts, seller notes or rollover equity, making the money a founder expects to receive dependent on what happens inside a business they no longer control. This article examines how each structure works, what risk it transfers back to the seller, and why the business a founder builds before a process starts is the most effective protection against terms they didn't plan for.
Most founders think of closing as the moment their financial exposure ends. They've negotiated the price, signed the documents and handed over the keys. Whatever happens next is the buyer's problem.
That’s not how it works for a significant number of sellers.
When a portion of the purchase price is deferred, contingent or structured as an obligation the buyer pays over time, the seller's financial exposure doesn't end at closing. It shifts. The proceeds a founder expects to receive become dependent on what happens in a business they no longer control – run by people they may not have chosen, toward goals that may not align with how the business was built.
This isn't a fringe scenario. It's a routine feature of transactions in the lower middle market, and founders who don't understand the mechanics before they enter a process are frequently surprised by them after.
In over half of transactions, the seller’s financial exposure doesn’t end at closing. It shifts.
Why deal structures look the way they do
Buyers use deferred and contingent consideration for a specific reason: it transfers risk. When a buyer's diligence uncovers uncertainty – about revenue durability, customer retention, key-person dependency or the accuracy of the seller's financial representations – they have two choices. They can price that uncertainty into a lower offer, or they can structure it into the payment terms, keeping the “headline” number close to what the seller wants while shifting exposure from their books to the seller.
When presented with a structure that preserves the number they were hoping for, most sellers focus on that. But the structure deserves at least equal attention.
There are three mechanisms that routinely keep a seller financially exposed after closing. They are not interchangeable, and each carries a different risk profile.
Most sellers focus on the number. The structure deserves equal attention.
Earnouts
An earnout is a contingent payment tied to the business hitting defined performance targets after closing – typically revenue, EBITDA or some combination, measured over one to three years. If the targets are met, the seller receives the additional payment. If they aren't, the seller doesn't.
The mechanics sound straightforward. The reality is complicated.
Once a deal closes, the seller no longer controls how the business is run. Integration decisions, resource allocation, pricing changes, new management priorities and strategic pivots all sit with the buyer. Any of those decisions can affect whether targets are hit – and the seller has limited recourse when they aren’t. Earnout disputes are among the most common sources of post-close litigation in private M&A transactions, precisely because the seller's financial outcome depends on decisions the buyer makes.
The risk isn't that buyers act in bad faith, though that can happen. The more common problem is misalignment: the buyer is optimizing for integration, cost reduction or a longer-term strategic goal, while the earnout metrics were written to reward near-term revenue or profitability performance. Those objectives don't always point in the same direction.
An earnout preserves the headline number. It doesn't guarantee the payment.
Seller notes
A seller note is a loan from the seller to the buyer, structured as part of the purchase price. Instead of receiving the full amount at close, the seller accepts a promissory note – typically with interest, paid over two to five years – for a portion of the proceeds.
Seller notes are common in smaller transactions where buyers lack capital and/or are unable to finance some or all of the purchase price at closing. They are sometimes considered a signal of seller confidence: a buyer may request a seller note to explicitly confirm that the seller believes in the business they're selling.
The risk is straightforward. A seller note is only as good as the business that is paying. There is rarely a deeper pocket behind it. If the business underperforms after closing – due to integration missteps, management changes, market shifts or operational deterioration – the buyer may not generate sufficient cash flow to make the payments. The seller, now a creditor with limited security and limited leverage, is exposed to even more business risk than they exited.
Unlike institutional lenders, sellers rarely negotiate the protections that would give them meaningful recourse: security interests in business assets, financial covenants, cure periods or acceleration rights. Those terms are negotiable, but founders who haven't been through this before often don't know to ask for them.
A seller note makes the seller a lender. Most sellers don't negotiate like one.
Rollover equity
Rollover equity is an arrangement where the seller reinvests a portion of their proceeds back into the business alongside the buyer, typically a private equity firm. Instead of receiving that portion in cash at close, the seller holds an equity stake in the post-close entity.
Rollover equity is often framed as an opportunity – a second bite at the apple, a chance to participate in the value creation the buyer is planning. That framing is sometimes accurate. It’s worth understanding what that actually means.
The seller's rollover stake is illiquid. Its value depends entirely on what the buyer does with the business and what the eventual exit looks like, typically three to seven years after closing. The seller has minority rights in a company controlled by an investor whose timelines, priorities and return requirements are not the same as theirs were. The business may perform well; it may not. Either way, the founder won't know what the rollover is worth until the buyer decides to sell.
For sellers who understand private equity dynamics and are genuinely comfortable with illiquidity and uncertainty over a multi-year horizon, rollover equity can create real value. For those who entered the transaction primarily to achieve liquidity, it’s worth being clear-eyed about exactly what is being deferred.
Rollover equity is not a second payday. It’s a new investment in a business you no longer control.
What these structures have in common
Earnouts, seller notes and rollover equity are different mechanisms, but they share the same underlying logic: a portion of the seller's proceeds is contingent on what happens after closing. The business has to perform. The buyer has to follow through. The integration has to go reasonably well. The market has to cooperate.
When buyers use deferred structures, they are not being generous with the headline price. They are being precise about how they view risk – and they’re asking the seller to share it.
The research on post-close performance provides context. According to Bain & Company, only 30% of acquisitions achieve their stated synergy targets. Deloitte's 2025 survey of corporate development executives found that nearly half acknowledged their deals underperformed expectations. These are buyer outcomes – the results from the side of the table that has full operational control. When a seller's deferred proceeds depend on that same performance, they’re exposed to a risk profile the data suggests is more likely to disappoint than deliver.
A portion of the seller's proceeds is contingent on what happens after closing.
But the business doesn’t have to perform as the buyer suggested - and it often doesn’t.
WHAT FOUNDERS CAN DO ABOUT IT:
Closing is a milestone. For many sellers, it is not the end of their financial exposure. It’s the moment that exposure becomes harder to see — and considerably harder to address.
The most effective position is not to negotiate harder once structures are on the table. It’s to enter a process with a business strong enough that buyers have less reason to use them.
Deferred and contingent consideration are most common when buyers identify risk during diligence: revenue that isn't durable, operational dependency on the founder, financial representations that don't hold up under scrutiny. A business that addresses those and other core conditions before a process starts reduces the buyer's justification for risk-shifting structures and gives the seller stronger ground to negotiate a cleaner close.
When deferred structures do appear – and in the lower middle market, they often will regardless of business quality – the terms matter as much as the amount. Earnout metrics should be specific, objectively measurable and insulated from buyer operational decisions where possible. Seller notes should include security interests, financial covenants and cure provisions. Rollover equity terms should be clearly documented, with defined rights and a realistic picture of the buyer's exit timeline.
None of this is standard. It all has to be negotiated. Founders who understand what they're agreeing to before they sign are in a materially better position than those who learn it afterward.