Aon
AON
£291.16
Share price
2.14%
Change (1 day)
18.90%
Change (1 year)
Categories
Aon is a British company based in London that is active in the insurance and risk management industries.
Market capitalization of Aon (AON)
Market cap: £62.89 Billion
As of April 2025 Aon has a market cap of £62.89 Billion. This makes Aon the world's 216th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
Market cap history of Aon from 1996 to 2025
End of year Market Cap
| Year | Marketcap | Change |
|---|---|---|
| 2025 | £62.89 B | 1.26% |
| 2024 | £62.10 B | 35.8% |
| 2023 | £45.73 B | -10.88% |
| 2022 | £51.31 B | 4.6% |
| 2021 | £49.06 B | 38.45% |
| 2020 | £35.43 B | -3.89% |
| 2019 | £36.86 B | 34.09% |
| 2018 | £27.49 B | 10.97% |
| 2017 | £24.77 B | 4.19% |
| 2016 | £23.78 B | 41.65% |
| 2015 | £16.78 B | -1.56% |
| 2014 | £17.05 B | 11.52% |
| 2013 | £15.29 B | 42.97% |
| 2012 | £10.69 B | 9.89% |
| 2011 | £9.73 B | -1.71% |
| 2010 | £9.90 B | 56.97% |
| 2009 | £6.30 B | -24.96% |
| 2008 | £8.40 B | 15.11% |
| 2007 | £7.30 B | 35.14% |
| 2006 | £5.40 B | -19.28% |
| 2005 | £6.69 B | 70.07% |
| 2004 | £3.93 B | -6.31% |
| 2003 | £4.20 B | 30.67% |
| 2002 | £3.21 B | -51.24% |
| 2001 | £6.59 B | 9.97% |
| 2000 | £5.99 B | -5.53% |
| 1999 | £6.34 B | 12.09% |
| 1998 | £5.66 B | -6.91% |
| 1997 | £6.08 B | 51.17% |
| 1996 | £4.02 B |
End of Day market cap according to different sources
On Apr 14th, 2025 the market cap of Aon was reported to be:
Market capitalization for similar companies or competitors
| Name | Marketcap | Market cap differencediff. | Country |
|---|---|---|---|
 | £88.61 B | 40.90% | 🇺🇸 USA |
 | £5.63 B | -91.04% | 🇧🇲 Bermuda |
 | £26.43 B | -57.97% | 🇧🇲 Bermuda |
 | £19.77 B | -68.56% | 🇬🇧 UK |