Back to Glossary

Entry · Business

Buyout Agreement

A buyout agreement is a contract that sets out in advance how one owner's stake in a business will be bought by the remaining owners or by the company itself. It fixes the trigger events, the valuation method and the payment terms before anyone actually wants to leave.

Lawyers often call it a buy-sell agreement, and it is one of the few documents that is far cheaper to write while everyone still gets along.

What it means

At its core the agreement answers three questions: what events force or allow a buyout, how the departing owner's shares will be valued, and how the money gets paid. Typical triggers include death, long-term disability, retirement, divorce, bankruptcy and a simple decision to walk away, and each one can carry different terms.

The reason it matters is control over who ends up owning the business. Without an agreement, a co-founder's shares can pass to a spouse, an heir or a creditor who has no interest in the company, and the remaining owners have no automatic right to buy those shares back.

Valuation is where most of the negotiation happens. The three usual approaches are a fixed price the owners agree and update annually, a formula tied to earnings or revenue, and an independent appraisal carried out at the time of the event.

Formulas are cheap and predictable but drift out of date; appraisals are accurate but slow and expensive. Payment terms deserve as much attention as the price, because a small company rarely has enough spare cash to buy out a quarter of itself overnight.

Most agreements combine a deposit with an instalment note carrying interest over three to five years, and many are funded by life insurance policies the company takes out on each owner. Two structures dominate.

In a cross-purchase agreement the remaining owners buy the shares personally, which raises their individual tax basis; in a redemption agreement the company itself buys and cancels the shares, which is simpler when there are several owners. Larger firms often use a hybrid that gives the company first refusal and passes the balance to the owners.

In practice

Real-world examples.

1

Example

Two dentists who own a practice equally sign a buyout agreement funded by cross-owned life insurance policies. When one dies unexpectedly, the insurance pays out and the survivor buys the shares from the estate within ninety days, so the practice never has to negotiate with grieving relatives.

2

Example

A software company's shareholder agreement includes a compulsory buyout if any founder is convicted of fraud. The clause is invoked once in a decade, and because the price and timetable were already agreed, the company avoids a court fight that would have frozen a funding round.

3

Example

A family-owned bakery updates the fixed price in its buyout agreement every January at the board meeting. After three years of strong growth the owners raise it from $1,800,000 to $2,600,000, keeping the figure close enough to reality that no one feels short-changed when the eldest sibling retires.

Think of it

Buyout agreement is a contract for buying out an owner-the terms for exit.

Formula

Calculation

Buyout price = (agreed earnings multiple x EBITDA) - net debt, then multiplied by the departing owner's ownership percentage. A three-partner logistics firm agrees a formula of five times EBITDA. In the year a partner retires, EBITDA is $2,400,000, so the enterprise value is 5 x $2,400,000 = $12,000,000. Net debt of $2,000,000 is deducted, leaving an equity value of $10,000,000. The retiring partner owns 30%, so her buyout price is $10,000,000 x 0.30 = $3,000,000. The agreement requires 40% on completion, which is $3,000,000 x 0.40 = $1,200,000, with the remaining $1,800,000 paid over three years at $600,000 a year plus 6% interest on the outstanding balance. Interest in the first year is $1,800,000 x 0.06 = $108,000, so the first anniversary payment totals $708,000.

Case study

Seen in the real world.

The following is an illustrative and entirely fictional scenario. Harborline Fabrication, an invented metalwork business with four equal owners, had signed a buyout agreement in its first year that fixed the company value at $1,200,000 and was never revisited. Twelve years later revenue had grown sixfold and a genuine offer valued the business closer to $8,000,000.

When one owner announced he was emigrating, the agreement obliged the others to buy his quarter share for $300,000, roughly a seventh of what it was worth. He argued the clause was unfair, the remaining three insisted it was the deal everyone signed, and the resulting dispute stalled a bank refinancing for eight months.

The fictional outcome was a negotiated settlement at $1,100,000 plus a rewritten agreement using a three-year average earnings multiple and a mandatory annual price review. The lesson the invented owners drew was blunt: a valuation method that never updates is worse than having no method at all.

Watch out

Common mistakes.

  • Agreeing a fixed price and then never reviewing it, so the figure bears no relation to what the business is actually worth when the trigger event arrives.
  • Setting a price without arranging funding, which leaves the remaining owners legally obliged to pay money the company simply does not have.
  • Assuming a buyout agreement covers every type of exit, when many only address death and ignore divorce, disability or a straightforward resignation.

Questions

People also ask.

Is a buyout agreement the same as a shareholder agreement?

Not quite, because the buyout terms are usually one section of a wider shareholder agreement that also covers voting, dividends and board seats.

Who should pay for the valuation when a buyout is triggered?

Most agreements split the appraiser's fee between the departing owner and the buyers, which discourages either side from gaming the process.

Can a sole trader use one?

Not for their own business, though a sole owner with key staff sometimes signs a similar option agreement to give managers a defined route to buy the company later.

From the founder's library

Accounting Fundamentals: A Non-Finance Manager's Guide to Finance and Accounting, by Shihan Sheriff

Take it further with the book.

Build your financial confidence beyond this definition. Shihan's full-length guide, Accounting Fundamentals, takes the same plain-English approach and turns it into a complete, practical playbook for non-finance managers, business owners and students - with chapter-end quiz answers and presentation slides included.

US$2.24US$2.99

25% off with code MMHQ25, applied at checkout. Priced in USD - checkout may show the equivalent in your local currency.

View the book and save 25%
Last updated · September 4, 2026
Browse all terms →

Disclaimer

The information provided in this finance dictionary is for educational and informational purposes only. It should not be construed as financial, investment, legal, or tax advice. Always consult with a qualified professional before making any financial decisions. Money Master HQ makes no representations or warranties about the accuracy, completeness, or suitability of this information. Use of this content is at your own risk.