Aon plc Market Cap

Aon plc has a market cap or net worth of 56.54 billion as of November 7, 2025. Its market cap has decreased by -6.00% in one year.

Market Cap

56.54B

Enterprise Value

69.23B

Revenue

12.67B

Ranking

n/a

PE Ratio

27.96

Stock Price

344.14

Market Cap Chart

Since June 2, 1980, Aon plc's market cap has increased from 210.29M to 56.54B, an increase of 26,784.29%. That is a compound annual growth rate of 13.09%.

Market Cap History

Date	Market Cap	% Change
Nov 7, 2025	56.54B	-8.88%
Dec 31, 2024	62.04B	35.63%
Dec 29, 2023	45.74B	-11.22%
Dec 30, 2022	51.53B	5.36%
Dec 31, 2021	48.91B	39.75%
Dec 31, 2020	35.00B	-4.96%
Dec 31, 2019	Upgrade Pro	Upgrade Pro
Dec 31, 2018	Upgrade Pro	Upgrade Pro
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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