Earn-Out Clauses in Turkey: How to Structure Performance-Based Payments in M&A

In many Turkish M&A deals, the biggest gap between buyer and seller is valuation. Sellers believe future growth justifies a higher price; buyers worry that projections are optimistic. The tool that often bridges this gap is an earn-out clause—a mechanism where part of the purchase price is paid later, only if the company hits agreed performance targets.

Earn-outs can work extremely well in Turkey, but they can also become dispute factories if drafted vaguely. Most earn-out litigation stems from three issues: unclear metrics, unclear control rights during the earn-out period, and unclear reporting/audit rights. This 1500-word SEO-focused guide explains how to structure earn-out clauses in Turkey so they are measurable, enforceable, and commercially fair.


1) What Is an Earn-Out in Turkey M&A?

An earn-out is a performance-based payment mechanism in a share or asset purchase deal. Instead of paying the full price at closing, the buyer agrees to pay additional amounts later if the target business meets certain objectives over a defined period.

Earn-outs are common in:

  • founder-led businesses where performance depends on the seller staying involved,
  • fast-growing startups with uncertain projections,
  • businesses where revenue depends on key customers or ongoing contracts,
  • situations where buyer wants downside protection but seller wants upside participation.

Key point: An earn-out is not a “bonus.” It is part of the purchase price, tied to measurable performance.


2) Why Earn-Outs Often Fail (And How to Prevent Disputes)

Earn-outs fail when they are drafted like “gentlemen’s agreements.” The classic problems are:

  • vague KPI definitions (“growth,” “profitability,” “success”),
  • inconsistent accounting methods,
  • buyer controls operations and can manipulate performance,
  • seller lacks reporting/audit access,
  • unclear timeline and payment mechanics,
  • disputes about extraordinary events (one-time costs, new investments).

A good earn-out clause is a measurement system + control rules + dispute procedure.


3) Choosing the Right Earn-Out Metric (The Most Important Design Choice)

Earn-outs typically use one or more of these metrics:

A) Revenue-Based Earn-Out

Pros: simpler to measure, less accounting manipulation than profit.
Cons: revenue can be inflated by unprofitable deals; recognition rules matter.

B) EBITDA / Profit-Based Earn-Out

Pros: closer to real value creation.
Cons: heavily affected by accounting choices, allocations, and management decisions.

C) Customer/Contract-Based Earn-Out

Examples:

  • number of new customers,
  • retention rate,
  • signed contracts value.

Pros: can match business reality.
Cons: requires clean definitions and verification rules.

D) Milestone-Based Earn-Out

Examples:

  • license obtained,
  • product launched,
  • market entry achieved.

Pros: best for regulated or product businesses.
Cons: must define “achievement” precisely.

Practical takeaway: In Turkey, disputes are usually lower when metrics are simple and objectively verifiable.


4) Define the Earn-Out Period and Measurement Dates

Your clause must define:

  • start date (closing date or next fiscal period),
  • end date (6, 12, 24, or 36 months—whatever is agreed),
  • measurement frequency (quarterly vs annual),
  • deadlines for preparing earn-out statements,
  • payment deadline after verification.

Best practice: Don’t leave reporting timing open-ended. Use specific dates and “deemed acceptance” rules.


5) Accounting Rules: Prevent “EBITDA Wars”

If your earn-out is profit-based, define accounting rules clearly:

  • which accounting standard applies,
  • consistency with historical financial statements,
  • treatment of extraordinary items,
  • treatment of management fees and related-party charges,
  • caps on discretionary expenses (where reasonable),
  • revenue recognition rules (if critical).

Best practice: attach a sample calculation schedule in an annex. If both sides can calculate it from the same data, disputes collapse.


6) Control and Conduct During the Earn-Out Period (Buyer vs Seller Tension)

The biggest earn-out risk in Turkey is control imbalance. If the buyer owns the company after closing, the buyer can:

  • change strategy,
  • increase overhead,
  • shift customers to other group companies,
  • change pricing,
  • delay invoicing or recognition.

To reduce disputes, include “conduct covenants,” such as:

  • operate the business in good faith and not primarily to avoid earn-out,
  • no material change in accounting methods without consent,
  • restrictions on related-party transactions,
  • restrictions on shifting revenue or costs to affiliates,
  • budget approval rights (limited and practical),
  • seller’s continued role/authority if seller remains in management.

Practical note: Buyers should avoid agreeing to covenants that freeze operations. Sellers should avoid earn-outs without any conduct protections.


7) Reporting, Information, and Audit Rights (Earn-Outs Need Transparency)

A workable earn-out system usually includes:

  • monthly/quarterly management accounts,
  • KPI dashboard reporting,
  • access to supporting documents (invoices, contracts),
  • audit rights (limited frequency, structured process),
  • dispute procedure if seller challenges calculations.

Best practice: include a short “objection window.” If seller doesn’t object within X days, the statement is accepted.


8) Payment Mechanics: How and When Earn-Out Is Paid

Define:

  • payment dates (e.g., within 10 business days after statement acceptance),
  • installment vs lump sum earn-out payment,
  • escrow or security (if buyer credit risk exists),
  • set-off rights (careful—can create disputes),
  • tax handling (gross-up or withholding logic if applicable).

If buyer solvency is a concern, sellers should consider security:

  • share pledge,
  • parent guarantee,
  • escrow holdback.

9) Extraordinary Events and “What If” Scenarios

Earn-outs must address real-life events:

  • acquisition of new business lines,
  • major capital injections,
  • force majeure events,
  • loss of a key customer,
  • change of control of the buyer group,
  • changes in law affecting operations.

The solution is not to predict everything, but to define:

  • adjustment rules,
  • renegotiation triggers,
  • dispute resolution mechanism.

10) Dispute Resolution: Keep It Technical, Not Emotional

Earn-out disputes are often accounting disputes. Consider:

  • expert determination clause (independent accountant),
  • time-limited expert decision,
  • limited scope of court/arbitration (only for legal issues).

This prevents years of litigation over calculation mechanics.


FAQ

Are earn-outs common in Turkey?

Yes, especially where valuation uncertainty exists. But they are often drafted too loosely, leading to disputes.

What is the best metric for an earn-out?

Revenue-based earn-outs are often simpler; EBITDA-based earn-outs are closer to value but more dispute-prone unless accounting rules are tight.

Should sellers accept an earn-out without audit rights?

Usually no. Without reporting and audit rights, earn-outs become difficult to verify and enforce.

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