Every company that competes with Brex for the same buyers

Company	What they sell	Who pays	How they charge	Source
American Express	a card company, a bank, and a shopping club rolled into one	Cardholders who pay annual fees and interest, and merchants who pay a fee every time someone uses an Amex card in their store.	Fees from cardholders and merchants	VerifiedAMERICAN EXPRESS CO Form 10-K
Company name here	What they sell, in a few words	Who pays them	How they charge	Stated
Another company	Something they make	Their buyers	Per order	Stated
One more company	A service for this market	Businesses	Yearly contract	Stated
Company name here	What they sell, in a few words	Who pays them	How they charge	Stated
Another company	Something they make	Their buyers	Per order	Stated
One more company	A service for this market	Businesses	Yearly contract	Stated

6 more companies in the full map.

Built September 28, 2026. Primary sources only: every row is backed by a government filing (Verified) or the company's own site, which we fetch and check ourselves (Stated). We never cite directories, review sites or blogs. Ask about another market