Earnout vs All-Cash Deal — What You're Actually Selling
Industry-average earnout achievement is around 50%. Bake that into the headline number.
The bottom line
If 30% of your deal is earnout-based, you're effectively taking a 15% haircut on the headline number (50% earnout achievement is the long-run average). Earnouts work if the milestones are SHORT (12-24 months max), the metrics are SIMPLE (revenue, gross profit — not EBITDA which gets manipulated), and the buyer doesn't control the inputs you'll be measured on. If any of those three fail, treat the earnout as marketing.
Side-by-side comparison
| Aspect | Earnout (Contingent Consideration) | All-Cash at Close |
|---|---|---|
| Typical structure | 10-40% of total deal value, paid over 1-3 years against performance targets | 100% at close (minus working-capital escrow and indemnity holdback, typically 10-15% for 12-18 months) |
| Typical achievement rate (industry-wide) | ~50% achievement rate — well-documented in M&A research; varies by structure | 100% (it's cash) |
| Why buyers push for it | Bridges valuation gaps when seller's number is higher than buyer's underwriting case; transfers performance risk to seller | Buyers only offer all-cash when bidding is competitive or seller has leverage |
| Best metric to base earnout on | Revenue or gross profit (hard for buyer to manipulate). EBITDA earnouts are notoriously gameable. | n/a |
| Period that works | 12-24 months. Longer than 24 months → too much can change. Shorter than 12 → no time to perform. | n/a |
| Red-flag earnout clauses | Buyer-controlled inputs, ratchets that go to zero below threshold, change-of-management clauses, EBITDA-based with vague add-back rules | n/a |
| Net effect on headline value | Discount the earnout component by 40-60% when comparing offers | Use full headline number |
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Based on standard M&A practice and 4 years of healthcare-services M&A advisory experience. Edge cases vary by deal - not legal or tax advice. Methodology