Is Arthur J. Gallagher & Co. an American company?
Yes — Arthur J. Gallagher & Co. is an American company.
Arthur J. Gallagher & Co. is incorporated in Delaware, United States and headquartered in Rolling Meadows, Illinois. Its legal-entity record reports no foreign parent — the company is independently American-owned.
The evidence
- Legal name
- Arthur J. Gallagher & Co.
- Incorporated in
- Delaware, United States
- Registered office
- WILMINGTON, the United States
- Headquarters
- Rolling Meadows, Illinois, United States
- Ultimate owner
- None reported (independent)
- Stock listing
- NYSE: AJG on NYSE
- LEI
- 54930049QLLMPART6V29
- Founded
- 1927
Source: GLEIF, the global Legal Entity Identifier registry · checked Jul 26, 2026. A US headquarters or stock listing does not always mean US incorporation — this page reports what the legal-entity registry actually records.
Arthur J. Gallagher & Co.: origin questions
Is Arthur J. Gallagher & Co. an American company?
Yes — Arthur J. Gallagher & Co. is an American company. Arthur J. Gallagher & Co. is incorporated in Delaware, United States and headquartered in Rolling Meadows, Illinois. Its legal-entity record reports no foreign parent — the company is independently American-owned.
Where is Arthur J. Gallagher & Co. incorporated?
Arthur J. Gallagher & Co. is legally incorporated in Delaware, United States, according to its GLEIF legal-entity record.
Who owns Arthur J. Gallagher & Co.?
Arthur J. Gallagher & Co. reports no parent company in its legal-entity record — it is independently owned rather than a subsidiary.
Is Arthur J. Gallagher & Co. traded on a US stock exchange?
Yes — Arthur J. Gallagher & Co. trades under the ticker AJG on the NYSE.
See the full Arthur J. Gallagher & Co. company profile — financials, stock data and trust credentials — or browse the directory of American companies.