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Aon in Advanced Talks for $17 Billion Acquisition of USI Insurance

Aon is reportedly close to finalizing a $17 billion acquisition of USI Insurance. The brokerage has been under the ownership of KKR since 2017, according to The Wall Street Journal.

9/17/2026, 9:15:51 AM

Aon is currently in discussions that could lead to its acquisition of USI Insurance for approximately $17 billion. This significant deal would expand Aon’s portfolio in the insurance brokerage sector, positioning the firm as a more formidable player in the market. USI Insurance, which has been a part of private equity firm KKR’s portfolio since 2017, is known for its expansive services in insurance and risk management. The proposed acquisition underscores Aon's ongoing strategy to grow through mergers and acquisitions in a competitive industry. KKR's ownership of USI allowed the brokerage to enhance its service offerings and geographic reach, making it an attractive target for Aon, which is seeking to bolster its own capabilities. The insurance market has seen considerable consolidation in recent years, with large firms seeking to expand through strategic acquisitions. Should the deal go through, it would mark one of the largest transactions in the insurance brokerage sector in recent times. Aon aims to leverage USI’s established client base and operational expertise to drive further growth and enhance services offered to its customers, according to industry analysts. As Aon continues its negotiations, both companies are evaluating the potential implications of the acquisition on their respective operations and the broader market. Final details are yet to be disclosed, and the completion of this deal will likely depend on regulatory approvals and final negotiations, which are a typical part of such high-stakes mergers in the financial services industry.

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