Aon agrees $17bn deal to acquire USI from KKR
Aon plc agreed to acquire USI Insurance Services from KKR for $17bn. USI offers risk management and consulting services. KKR expects $3.3bn in after-tax proceeds. The deal is set to close in Q4 2026, subject to approvals.
How this was made

The 30-second read
Why it matters
The transaction creates one of the largest U.S. insurance brokerage groups, potentially reshaping competitive dynamics.
Market read
The $17bn deal is a material M&A event likely to move AON and KKR stocks and influence the broader insurance brokerage sector.
What to watch
Regulatory approvals and cultural integration could delay expected synergies.
Background
Aon seeks to strengthen its position in risk management and employee benefits by acquiring USI.
Ticker impact
Aon announced a $17bn all‑cash acquisition of USI Insurance Services, creating a larger brokerage group.
Likely modest upside as investors price in synergies.
Large‑scale M&A with clear strategic rationale and immediate market reaction.
KKR disclosed its exit from USI, expecting $3.3bn after‑tax proceeds and $2bn adjusted net income from the sale.
Potential short‑term rally on cash‑flow boost.
Deal provides sizable proceeds and validates KKR's strategic holdings.
Market effects
Consolidation in insurance brokerage may pressure peers.
U.S. insurance services sector sees increased M&A activity.
Large deal highlights continued private‑equity exits in financial services.
Counterpoint
Deal price may be high; integration risks could weigh on Aon's margins.
Key entities
- CompanyAon plc
Acquirer, global professional services firm.
- CompanyUSI Insurance Services
Target, U.S. insurance brokerage and consulting firm.
- CompanyKKR
Private‑equity owner exiting its investment.



