Aon plc Market Cap

Aon plc has a market cap or net worth of €63.41 billion as of October 23, 2025. Its market cap has decreased by -6.85% in one year.

Market Cap

63.41B

Enterprise Value

78.22B

Revenue

14.26B

Ranking

n/a

PE Ratio

28.61

Stock Price

€294.40

Market Cap Chart

Since June 2, 1980, Aon plc's market cap has increased from 345.68M to 63.41B, an increase of 18,243.55%. That is a compound annual growth rate of 12.16%.

Market Cap History

Date	Market Cap	% Change
Oct 22, 2025	63.71B	-15.08%
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	Upgrade Pro	Upgrade Pro
Dec 31, 2018	Upgrade Pro	Upgrade Pro
Dec 29, 2017	Upgrade Pro	Upgrade Pro
Dec 30, 2016	Upgrade Pro	Upgrade Pro
Dec 31, 2015	Upgrade Pro	Upgrade 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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