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Arthur J. Gallagher & Co.

Arthur J. Gallagher & Co. Market Share Analysis for May 2026

Arthur J. Gallagher & Co. is an American global insurance brokerage and risk management services firm headquartered in Rolling Meadows, Illinois. The firm was established in 1927 and is one of the largest insurance brokers in the world.

Finance > Insurance

Domainajg.com

Year Founded1927

Employees> 10001

Annual Revenue> $1B

Arthur J. Gallagher & Co.

Arthur J. Gallagher & Co. (including company regionals)

ajg.com

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Arthur J. Gallagher & Co. Revenue up to May 2026 is > 1B

revenue generated by Arthur J. Gallagher & Co. top domains

Arthur J. Gallagher & Co. top domains revenue over 3 years

Revenue for Arthur J. Gallagher & Co. top domains

ajg.com> 1B

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Arthur J. Gallagher & Co. Stock price in May 2026

Arthur J. Gallagher & Co. stock is traded under the ticker #AJG. Below you can review Arthur J. Gallagher & Co. stock performance in the past 12 months up to May 2026

Total visits to Arthur J. Gallagher & Co.'s top domains

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Total visits last 3 months

Subsidiaries Breakdown

ajg.com767K

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Avg. visit duration in Arthur J. Gallagher & Co.'s top domains

Analyze Arthur J. Gallagher & Co. engagement metrics.

Average visit duration last 3 months

Subsidiaries Breakdown

ajg.com00:00:55

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Avg. pageviews on Arthur J. Gallagher & Co.'s top domains

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Average page views last 3 months

Subsidiaries Breakdown

ajg.com2.28

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Arthur J. Gallagher & Co. top competitors by domain

Top similar sites in May 2026, ranked by their affinity

gallagher.comCompany NameGallagherEmployees1001 - 5000HQNew Zealand, hamiltonAnnual revenue$200M - $500MTotal visits161.9KHeavy Industry and Engineering > Agriculture

Top technologies used by Arthur J. Gallagher & Co.

These are the website technologies, by industry, used by Arthur J. Gallagher & Co. top domains

Conversion & Analytics (11)

Google Analytics

Advertising (9)

DoubleClick

Marketing (5)

Google Marketing Platform

Audio Video Media (4)

YouTube

More Technologies

15

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News & Signals from Arthur J. Gallagher & Co.

With Similarweb Sales signals alerts, you’ll receive daily updates of recognized buying signals whenever new opportunities or threats arise in your target audience.

NewsArthur J. Gallagher & Co. will hire Gabriella Eriksen Wingren as Head of Transaction Solutions, Nordics within global multidisciplinary Private Equity and M&A practice on Jul 22nd '26.Gallagher, a global insurance brokerage, risk management, and consulting firm, has announced the appointment of Gabriella Eriksen Wingren as Head of Transaction Solutions, Nordics within its global multidisciplinary Private Equity and M&A practice (PEMA), effective 22nd July 2026.

NewsArthur J. Gallagher & Co. hired Alex Vullo as Chief Executive Officers (CEOs) of Marine and Fine Art & Specie on Jun 17th '26.Gallagher, a global insurance brokerage, risk management, and consulting firm, has appointed Alex Vullo and Mark Hubbard as Chief Executive Officers (CEOs) of Marine and Fine Art & Specie, and Property & Special Risks, respectively.