Aon plc Market Cap

Aon plc has a market cap or net worth of €68.27 billion as of August 14, 2025. Its market cap has increased by 6.52% in one year.

Market Cap

68.27B

Enterprise Value

82.95B

Revenue

14.26B

Ranking

n/a

PE Ratio

30.80

Stock Price

€315.60

Market Cap Chart

Since June 2, 1980, Aon plc's market cap has increased from 345.68M to 68.27B, an increase of 19,649.80%. That is a compound annual growth rate of 12.40%.

Market Cap History

Date	Market Cap	% Change
Aug 13, 2025	68.27B	-9.00%
Dec 31, 2024	75.03B	42.33%
Dec 29, 2023	52.71B	-9.26%
Dec 30, 2022	58.09B	-0.24%
Dec 31, 2021	58.23B	49.07%
Dec 31, 2020	39.06B	-10.12%
Dec 31, 2019	Pro	Pro
Dec 31, 2018	Pro	Pro
Dec 29, 2017	Pro	Pro
Dec 30, 2016	Pro	Pro
Dec 31, 2015	Pro	Pro

Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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Market Cap Rankings