Earn-outs are often used to bridge valuation gaps in M&A deals, but they also create fertile ground for disputes. When performance metrics fall short or one side believes the other interfered with the result, buyers and sellers may end up litigating how the earn-out should be calculated or enforced. Most conflicts stem from unclear contract terms, financial reporting disagreements, or post-closing operational changes. This blog explores earn-out disputes and how to protect your position in a high-stakes transaction.
What Triggers Earn-Out Disputes in M&A Transactions?
Earn-outs are meant to align incentives, but in practice, they often expose competing priorities. Sellers want to maximize post-closing performance to reach earn-out targets. Buyers want operational flexibility, especially during integration. When these objectives collide, disputes emerge.
Common sources of conflict include:
- Post-closing management decisions that affect revenues, margins, or customer retention
- Allegations of improper accounting or financial manipulation
- Different interpretations of contract language, especially around EBITDA or revenue definitions
- Restructuring or integration choices that change how the acquired business operates
- Disputes over access to financial records, forecasts, and internal reporting
These issues surface most often when earn-out calculations are tied to EBITDA, revenue growth, or customer-based metrics—areas where accounting judgments play a significant role.
Reviewing the Earn-Out Language: The Most Important First Step
In earn-out litigation, courts generally start with the contract. New York courts, in particular, are known for strict enforcement of written terms, paying close attention to:
Defined Metrics
Contracts should specify how key metrics are calculated, including:
- Inclusions and exclusions in EBITDA
- Treatment of capital expenses, corporate allocations, bonuses, or one-time charges]
- Revenue recognition policies
Ambiguity in these definitions is one of the biggest drivers of litigation.
Commercially Reasonable Efforts Clauses
If the contract requires the buyer to use “commercially reasonable efforts” to support the earn-out, the court examines whether the buyer acted in accordance with industry standards. A buyer doesn’t have to run the business exactly as before, but cannot intentionally undermine the earn-out.
Integration Clauses and Disclaimers
These provisions can limit sellers from arguing that they relied on verbal assurances or informal projections. They reinforce the idea that the contract is the complete and final agreement.
When conflicts arise, the contract’s wording can determine who prevails.
Common Claims in Earn-Out Litigation
Buyers and sellers often advance different legal theories in these disputes. Courts may see claims such as:
Claims Typically Brought by Sellers
- Breach of contract for manipulating performance metrics
- Failure to provide the financial information needed to verify calculations
- Breach of the implied covenant of good faith and fair dealing
- Improper diversion of business opportunities to affiliates or related entities
Claims Typically Brought by Buyers
- Fraud or misrepresentation in pre-closing financials
- Breach of transition obligations that affected performance
- Failure of the seller to cooperate with post-closing integration
While both sides may bring creative theories, New York courts remain anchored to the written agreement, especially in sophisticated commercial transactions.
Financial Reporting and Access to Records: A Frequent Flashpoint
Earn-out calculations rely on timely and accurate financial reporting, making access to the underlying data critical. Disputes often arise when sellers believe buyers withheld information or used accounting changes to reduce earn-out obligations.
Key areas of contention include:
- Changes in accounting policies after closing
- Cost allocations from the buyer’s broader organization
- Timing of revenue recognition and treatment of deferred revenue
- Post-closing expenses that may or may not be permitted under the agreement
Forensic accountants often play a central role in evaluating whether the buyer adhered to the defined standards. Documentation—emails, financial statements, meeting notes, and operational records—is frequently pivotal.
Strategies for Sellers Facing Earn-Out Disputes
Sellers typically rely on the earn-out to capture the actual value of the business they built. To protect that interest, they should consider:
- Ensuring precise definitions for revenue, margins, excluded costs, and performance targets
- Negotiating clear rights to financial information, including periodic updates and audit access
- Documenting pre-closing performance data, forecasts, and handoff materials
- Monitoring post-closing performance without interfering in day-to-day operations
- Using contractually agreed dispute-resolution mechanisms, such as independent expert determinations, before litigation escalates
Sellers should move quickly when signs of financial irregularities appear. Early engagement can help preserve key records and prevent further damage.
Strategies for Buyers in Earn-Out Litigation
Buyers must balance integration goals with earn-out obligations. Strong documentation and consistent decision-making are critical.
Buyers should:
- Maintain consistent accounting practices unless the contract expressly allows changes
- Document operational decisions with clear business justifications
- Communicate performance updates in writing to avoid misunderstandings
- Ensure corporate allocations are reasonable and permitted under the agreement
- Follow notice and calculation procedures exactly as written
When disputes arise, buyers can leverage expert reviews or early settlement talks to limit litigation risk while preserving control over post-closing operations.
Avoiding Earn-Out Litigation Through Better Drafting
Many earn-out conflicts can be prevented with stronger contract language. Effective drafting includes:
- Objective, formula-based definitions for performance metrics
- Detailed reporting obligations, including timelines and audit rights
- Restrictions on significant operational changes, unless mutually agreed upon
- Neutral expert review provisions for accounting disputes
- Clear remedies for missed deadlines or withheld information
Given the complexity of M&A transactions, investing in precise earn-out language is often cheaper than litigating ambiguous terms years later.
Protecting Your Interests in Earn-Out Disputes
Earn-out litigation can move quickly, especially when financial reporting deadlines or post-closing changes spark disagreement. Buyers and sellers who understand the contract, preserve documentation, and act promptly are better positioned to protect their interests. If an earn-out dispute is unfolding, turn to Levy Goldenberg for strategic guidance. Contact us today for a confidential consultation.