Aon to acquire USI to establish the premier U.S. middle-market platform
Article excerpt
DUBLIN, Aug. 31, 2026 /PRNewswire/ -- Aon plc (NYSE: AON ), a leading global professional services firm, today announced the signing of a definitive agreement to acquire USI from KKR and other shareholders for a total purchase price of $17.0 billion. The transaction establishes the premier platform in the large and growing U.S. middle-market segment, building on the success of Aon's acquisition of NFP in 2024. USI, a leading provider of property & casualty, employee benefit, personal risk and retirement solutions for the middle market, is the tenth largest U.S. insurance broker with approximately $3 billion in annual revenue and more than 10,500 team members across nearly 200 U.S. offices. Powered by its proprietary USI ONE® platform for analytics, networked resources and strategic planning to inform and advise clients, USI is highly complementary with Aon's one-firm, Aon United strategy and global Aon Business Services operating and technology engine. "In a time of rising complexity and volatility, creating better outcomes for clients across their risk and people challenges requires a combination of capabilities and expertise supported by proprietary data, analytics and technology," said Greg Case, President and CEO of Aon. "Through the successful execution of our 3x3 Plan to accelerate our Aon United strategy, we have significantly strengthened our firm to build the...
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Following the close of the transaction, USI Chairman and CEO Mike Sicard will serve as President of Aon plc and global CEO of Middle Market, reporting to Case, and join the Aon Executive Committee.
