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Form 8-K · Current Report · Filed 2026-08-31

Aon plc Announces Agreement to Acquire USI Advantage Corp. for $17 Billion

Aon plc, a leading global professional services firm, has entered into a definitive agreement to acquire USI Advantage Corp., a major U.S.

Filer
Aon plc AON · NYSE
Filed
Accession
0001193125-26-375328
CIK
0000315293
Signal
High impactFinancial Services

Details

insurance broker, for a total purchase price of $17 billion. The acquisition, which is expected to close in the fourth quarter of 2026, is subject to customary closing conditions, including regulatory approvals. The transaction is expected to deliver approximately $395 million in annual run-rate net adjusted EBITDA impact from revenue and cost synergies and is anticipated to be accretive to adjusted EPS in 2028. 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.

Items reported

Item events

Reported Item

M&A Agreement M&A Transaction Strategic Partnership Corporate Update

Market reaction

Close before filing

$355.40

Since filing

+0.0%

Latest close

$355.40

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Precedent

Previous filings from AON reporting the same item, with the next session's move:

Insider tape

Within 45 days of this filing, AON insiders reported 6 Form 4 transactions — net selling of $1.4M.

Full AON insider history →

About Aon plc

Aon plc is a leading global professional services firm that provides a wide array of risk, retirement, and health solutions. The primary function of Aon is to serve as a broker for insurance and reinsurance, helping clients navigate the complex landscape of financial risk and employee benefits. The company plays a significant role in the insurance industry, offering services such as risk management, insurance brokerage, reinsurance brokerage, and human capital consulting. Aon serves various sectors, including healthcare, finance, technology, and manufacturing, by delivering tailored strategic advice and innovative solutions to enhance resilience and performance. With a global presence across more than 120 countries, Aon plc is instrumental in assisting organizations of all sizes to make informed decisions regarding risk and capital management. Its significance in the market is underscored by its commitment to deep data insights and analytics, which enable clients to improve operational efficiency and human capital outcomes, consequently driving long-term value in uncertain economic climates.

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