Aon Acquires USI from KKR for $17B
Aon PLC agreed to acquire USI Insurance Services from KKR for $17B. USI, with $3B annual revenue, provides insurance and retirement solutions. The deal, expected to close in Q4 2026, aims to boost Aon's middle-market platform and increase earnings per share by 2028. KKR expects $3.3B in after-tax proceeds.
How this was made

The 30-second read
Why it matters
The acquisition is expected to boost Aon's revenue base and EBITDA run‑rate, while providing KKR with a sizable cash return.
Market read
A major M&A transaction in the insurance sector with significant capital deployment and strategic implications for both acquirer and seller.
What to watch
Potential regulatory review and cultural integration of USI's workforce may affect deal timing.
Background
The deal follows Aon's prior $13.4 billion acquisition of NFP and reflects its strategy to dominate the middle‑market insurance platform.
Ticker impact
Aon announced a $17 billion all‑cash acquisition of USI Insurance Services from KKR, a material M&A deal.
AON likely to see short‑term upside as the market prices the acquisition premium.
Large‑scale deal with clear strategic rationale; investors typically reward such expansion moves.
KKR disclosed it will sell USI to Aon for $17 billion, generating $3.3 billion after‑tax proceeds.
KKR may experience modest upside as the market values the cash proceeds.
Cash distribution and strong return on investment are viewed favorably by shareholders.
Market effects
Consolidation in the insurance brokerage and employee benefits space may pressure peers.
U.S. insurance and professional services sectors see increased M&A activity.
Large cross‑border deal highlights continued global capital flow into U.S. financial services.
Counterpoint
Integration risks and execution challenges could weigh on Aon's earnings in the near term.
Key entities
- CompanyAon PLC
Professional services firm acquiring USI.
- CompanyKKR & Co. Inc.
Private equity firm selling USI.
- CompanyUSI Insurance Services
Insurance broker being acquired.



