Interactive Business Model Canvas · #053

Brex

Corporate cards & spend management (Capital One subsidiary) · Oct 8, 2026

Interchange-funded free card Per-seat spend software Startups → enterprise Fintech bought by a bank

Give the card and the basic software away, get paid on every swipe: Brex issues corporate cards with no personal guarantee and spend software that is free on Essentials or $12 per user a month on Premium, and earns a share of the interchange fee each time a card is used, plus software seats and FX markups. After a hard 2024 reset, revenue reaccelerated to $700M total annualized, growing 50%, and Brex turned operating-cash-flow positive in August 2025, while its card loans were funded through AAA-rated securitizations. Then a bank bought the fintech: Capital One closed its acquisition on April 7, 2026 (headline $5.15B, $4.5B fair value at close), paid off Brex's $1.1B of debt and now funds the card book from its own balance sheet.

Click any of the 9 blocks below for a plain-language story of how that part of the model works for Brex — and how it connects to the others.

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Independent educational project — not affiliated with, endorsed by, or sponsored by Brex Inc., Brex LLC or their affiliates (Brex, Brex Embedded, Brex Treasury, Brex Payments), Capital One, Mastercard, Visa, Emigrant Bank, Fifth Third Bank, Airwallex, Sutton Bank, Column N.A., Stifel Bank, Coupa, Navan, Stripe, Tekion, KBRA, OpenAI, Anthropic, or any other company named here. Company names and logos are trademarks of their respective owners, used for identification only.

For learning and teaching — not investment, legal, banking, credit, or financial advice, and not a recommendation to buy, sell, or hold any security (including Capital One stock) or to use any financial product. Brex was a private company and never published audited financial statements; since April 7, 2026 it is part of Capital One, which does not report Brex separately. Figures marked FACT come from Capital One's SEC filings and press releases or from Brex's own CEO posts, Journal articles, pricing, About and support pages; Brex's revenue, growth and credit-performance figures are Brex's own and unaudited. Call-transcript quotes are SECONDARY. Valuation history and third-party revenue estimates are not used as metrics. Reasoning and computed teaching points are labeled INFERENCE. Sources are cited on this canvas; corrections welcome.

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