Earn-outs — contingent payments tied to post-close performance — are common in California middle-market deals, especially for service businesses, agencies, and practices where buyers want to ensure customer retention through transition. This guide covers structure, negotiation, and pitfalls.
Why earn-outs exist
Earn-outs bridge valuation gaps when buyer and seller disagree on the future of the business. They protect buyers from key-person risk, customer transition risk, and revenue continuity risk. They allow sellers to capture additional value if the business performs as represented.
Common metrics
Revenue (most common, easiest to measure), EBITDA (more complex but better aligned), customer retention (specific to service/agency deals), specific contract retention (for concentrated businesses), and gross profit. Each has tradeoffs in how it incentivizes post-close behavior.
Typical structures
California middle-market earn-outs typically run 1–3 years post-close, with 10–30% of total deal value contingent. Payment caps are common to limit upside (and downside). Measurement periods are typically annual, with quarterly true-ups.
Critical seller protections
Negotiate operational covenants protecting earn-out economics — buyer must maintain pricing, customer service standards, marketing investment, and key staff compensation during the earn-out period. Without these, buyers can run the business in ways that cap your earn-out artificially.
Audit and dispute mechanisms
Earn-out calculations should be reviewable by independent CPA at seller's request. Disputes should go to expedited arbitration with specific scope (no broader litigation). Calculation methodology should be locked in the definitive agreement, not subject to buyer interpretation.
Tax considerations
Earn-out payments can be characterized as additional purchase price (capital gain) or compensation (ordinary income), affecting tax rate materially. The structure of the earn-out — and the seller's continuing role — drives the characterization. Get tax-advisor review BEFORE signing the LOI.
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