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Arthur J. Gallagher & Co.

public

Trading under the ticker AJG, Arthur J. Gallagher & Co. is a publicly traded company based in Illinois. The company was founded in 1927 and is headquartered in Illinois. Its most recent annual filing reported revenue of about 14 billion dollars for fiscal 2025, per SEC 10-K filed 2026-02-17. These figures are factual reference only and are not investment advice. Facts on this page are drawn from public sources including SEC EDGAR, Wikidata, and the company's own disclosures, each linked below.

Company facts

HeadquartersItasca, Illinois
Founded1927
Typepublic
TickerAJG
Websitewww.ajg.com

Financials

$14B revenue for fiscal 2025 ($13,942,000,000).

Fiscal yearRevenueSource
2025$14BSEC 10-K filed 2026-02-17
2024$12BSEC 10-K filed 2026-02-17
2023$10BSEC 10-K filed 2026-02-17
2022$8.6BSEC 10-K filed 2025-02-18
2021$8.2BSEC 10-K filed 2024-02-09
Financial figures are factual reference only and are not investment advice. Verify against the original filing before relying on any figure.

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Frequently asked questions

Where is Arthur J. Gallagher & Co. located?

Arthur J. Gallagher & Co. is based in Itasca, Illinois.

When was Arthur J. Gallagher & Co. founded?

Arthur J. Gallagher & Co. was founded in 1927.

Is Arthur J. Gallagher & Co. publicly traded?

Yes. Arthur J. Gallagher & Co. is a public company trading under the ticker AJG.

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Sources