How does warranty (W&I) liability-cap negotiation work in an SPA?
A core M&A Advisory interview question — asked in analyst and associate interviews across IB, PE, and the Big 4.
THE SHORT ANSWER
The liability cap is the maximum aggregate amount the seller can be required to pay for breaches of warranties — a core risk-allocation point. It's usually expressed as a percentage of the purchase price/EV; general warranty caps commonly fall somewhere in a wide range (often ~10–50% of value, lower in competitive/seller-friendly deals, and effectively near-nil where W&I insurance is used), while fundamental/title warranties and specific tax indemnities are typically carved out and capped at (or near) 100% of the price. Around the cap sit other limitations the parties negotiate together: a de minimis (individual claims must exceed a floor to count), a basket/threshold (aggregate claims must exceed a level before any recovery, tipping or excess), time limits (survival periods — shorter for commercial, longer for tax/fundamental), and disclosure (anything fairly disclosed in the data room can't be claimed). W&I insurance increasingly bridges the gap: the seller gives a low/nominal cap and the buyer claims against the insurer instead, which is why PE sellers favour it. So 'cap negotiation' is really negotiating the whole liability package — cap, de minimis, basket, survival, carve-outs, and whether insurance backs it.
WHAT INTERVIEWERS LISTEN FOR
- ✓Cap = max aggregate seller liability for warranty breaches (% of price)
- ✓General caps wide-ranging; fundamental/title and tax carved out at ~100%
- ✓Negotiated with de minimis, basket/threshold, survival periods, disclosure
- ✓W&I insurance bridges the gap (low seller cap, claim vs insurer) — PE-favoured
COMMON MISTAKES
- ✗Treating the cap in isolation from de minimis/basket/survival
- ✗Capping fundamental/title warranties at the general cap
- ✗Ignoring disclosure's qualifying effect on warranties
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