Aon has agreed to acquire USI Insurance Services from private equity firm KKR for $17 billion, a deal expected to close in the fourth quarter of 2026. The acquisition aims to significantly expand Aon's presence in the U.S. middle-market insurance segment.
This acquisition is one of the largest in the insurance brokerage industry in recent years and signifies a trend of consolidation within the fragmented sector, aiming to enhance market presence and competitive advantage.
Aon Plc has agreed to acquire rival USI Insurance Services from private equity firm KKR for $17 billion. The deal is intended to strengthen Aon's position in the U.S. middle-market insurance sector, which caters to mid-sized businesses. Aon CEO Greg Case stated that combining with USI will establish the premier U.S. middle-market platform, deepen Aon's context advantage, and position the company to accelerate organic growth. Mega buyouts have become increasingly common in the fragmented insurance brokerage industry as companies seek to enhance their market presence and competitive edge. The transaction is anticipated to be finalized in the fourth quarter of 2026.
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