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American Express

americanexpress.com · Business banking & cards · Finance

American Express Company, commonly known as Amex, is a leading global financial services corporation headquartered in New York. Founded in 1850, Amex has evolved from an express mail delivery service to a prominent player in the payments industry.

Company facts

Founded1850 (176 years)
Market standingPublicly traded (NASDAQ: AXP)
Employees77,000
HeadquartersNew York, United States
Trusted networks on Proven3 investor, bank and government networks offer American Express to their members

Company facts from Apollo.io company data. Network, offer and redemption data from the Proven platform. A Proven Score is published once publicly named clients are verified with sources.

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Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Methodology. Updated 2026-10-21.