Aon plc

Aon is a professional services firm that provides risk, retirement, and health solutions to clients worldwide.

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Description: Aon plc Form 10-K business description

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M&A / Company Strategy

Aon agrees to pay $17 billion in cash for USI, if the merger closes

Aon agreed to buy USI for $17 billion in cash, subject to leakage since June 30. The release separately prints $16.7 billion net after about $278 million of tax attributes. Close is expected in Q4 2026 and is not done.

Published 08-31-2026 · Event 08-30-2026 · Aon plc

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