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Aon plc Class A (Ireland) (AON)

$323.09

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Key data on AON

Market cap

$68.54B

EPS

18.14

P/E ratio

17.8

Price to sales

3.9

Dividend yield

1.015%

Beta

0.663298

Price on AON

Previous close

$327

Today's open

$328.18

Day's range

$321.49 - $328.84

52 week range

$304.59 - $382.34

Profile about AON

CEO

Gregory C. Case

Employees

60000

Headquarters

Dublin 2,

Exchange

New York Stock Exchange

Shares outstanding

212125434

Issue type

Common Stock

AON industries and sectors

Finance

Insurance

News on AON

Aon to Speak at the KBW Insurance Conference

DUBLIN, Sept. 3, 2026 /PRNewswire/ -- Greg Case, Chief Executive Officer of Aon plc (NYSE: AON), a leading global professional services firm, will speak at the KBW Insurance Conference in New York on Thursday, September 10, in a session that begins at 1:35 PM ET.

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PRNewsWire • Sep 3, 2026

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How Can Healthcare Inflation Fuel Growth for MRSH, UNH & CNC?

Rising employer healthcare costs could boost Marsh's consulting demand and create growth avenues for UnitedHealth and Centene through cost-control solutions.

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Zacks Investment Research • Sep 3, 2026

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3 Insurance Brokerage Stocks Find New Growth Drivers as Rates Fade

Organic growth for brokerage stocks like WTW, AJG and AON remains resilient as softer insurance pricing shifts the focus to underlying business activity.

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Zacks Investment Research • Sep 2, 2026

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Aon's $17 Billion USI Deal: A Costly Bet on Middle-Market Growth

Aon's $17B USI acquisition expands its middle-market reach and specialty capabilities, but adds debt and puts execution under pressure.

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Zacks Investment Research • Sep 1, 2026

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Aon's $17B USI Deal Targets Middle-Market Insurance Dominance

AON NYSE: AON said it has entered a definitive agreement to acquire U.S. middle-market insurance broker USI in an all-cash transaction valued at approximately $17 billion, or $16.7 billion net of certain tax attributes. The company expects the deal to close in the fourth quarter of 2026, subject to regulatory approvals and customary closing conditions.

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MarketBeat • Aug 31, 2026

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Aon to acquire USI to establish the premier U.S. middle-market platform

Builds on the successful acquisition of NFP to advance leading platform in the large and growing U.S. middle market Extends Aon's differentiated capabilities to provide better choice, superior solutions and greater value for clients Expands Aon's access to the Excess & Surplus (E&S) segment, among the fastest-growing areas in U.S. commercial insurance Enhances Aon's industry-leading data platform, deepening its context advantage 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 for the firm Purchase price of $17.0 billion; transaction expected to deliver $395 million in annual run-rate net adjusted EBITDA impact from revenue and cost synergies across the combined middle-market platform and to be accretive to adjusted EPS in 2028 Aon to host conference call to discuss transaction on August 31, 2026, at 8:00 AM ET 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.

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PRNewsWire • Aug 31, 2026

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Aon CEO says insurance broker seeks to build 'premiere middle market platform' with purchase of rival USI

Aon announced Monday it will purchase rival USI from private equity firm KKR. The deal, which Aon said will be financed through new debt, is expected to close in the fourth quarter, subject to regulatory approvals.

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CNBC • Aug 31, 2026

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Aon plc (AON) M&A Call Transcript

Aon plc (AON) M&A Call Transcript

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Seeking Alpha • Aug 31, 2026

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Aon strikes $17 billion deal for rival USI as insurance consolidation accelerates

Aon said on Monday it will buy rival USI Insurance Services in a $17 billion deal ​from private equity firm KKR , in one of the biggest insurance acquisitions in recent years.

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Reuters • Aug 31, 2026

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Aon expands mid-market reach with $17 billion USI deal

Aon PLC (NYSE:AON) has agreed to acquire insurance brokerage USI from KKR for $17 billion including debt, the companies said Monday, as Aon expands its reach among medium-sized businesses. USI provides risk management, health insurance and retirement plan services for businesses and individuals, and reports about $3 billion in annual revenue.

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Proactive Investors • Aug 31, 2026

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