Arthur J. Gallagher & Co. (AJG) - Market capitalization

Market cap: £55.63 Billion

As of December 2024 Arthur J. Gallagher & Co. has a market cap of £55.63 Billion. This makes Arthur J. Gallagher & Co. the world's 275th 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 Arthur J. Gallagher & Co. from 1996 to 2024

End of year Market Cap

Year	Marketcap	Change
2024	£55.63 B	45.98%
2023	£38.11 B	15.99%
2022	£32.85 B	25.4%
2021	£26.20 B	50.11%
2020	£17.45 B	27.78%
2019	£13.66 B	27.87%
2018	£10.68 B	26.2%
2017	£8.46 B	12.87%
2016	£7.50 B	53.47%
2015	£4.88 B	-1.81%
2014	£4.97 B	30.95%
2013	£3.80 B	41.17%
2012	£2.69 B	10.87%
2011	£2.42 B	18.93%
2010	£2.04 B	43.22%
2009	£1.42 B	-16.36%
2008	£1.70 B	52.09%
2007	£1.12 B	-24.46%
2006	£1.48 B	-13.44%
2005	£1.71 B	9.91%
2004	£1.55 B	-4.59%
2003	£1.63 B	0.75%
2002	£1.62 B	-19.86%
2001	£2.02 B	19.48%
2000	£1.69 B	129.56%
1999	£0.73 B	57.64%
1998	£0.46 B	34.62%
1997	£0.34 B	17.92%
1996	£0.29 B

End of Day market cap according to different sources

On Dec 17th, 2024 the market cap of Arthur J. Gallagher & Co. was reported to be:

£55.63 Billion

by Yahoo Finance

£55.63 Billion

by CompaniesMarketCap

£48.87 Billion

by Nasdaq

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Aon AON	£61.09 B	9.82%	🇬🇧 UK
Marsh & McLennan Companies MMC	£82.41 B	48.15%	🇺🇸 USA
Brown & Brown BRO	£23.22 B	-58.25%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Arthur J. Gallagher & Co. (AJG)

Market cap: £55.63 Billion