Capital One Financial Corp. has agreed to acquire fintech startup Brex in a deal valued at $5.15 billion. The companies said the transaction will be paid 50% in cash and 50% in stock, with Brex set to become part of Capital One’s commercial banking and payments business.
The acquisition brings one of Silicon Valley’s best-known fintech firms under a major U.S. bank. It also adds more weight to Capital One’s push into technology-led corporate finance and payment infrastructure. In a statement, Capital One founder and CEO Richard Fairbank said Brex has changed how fast-growing companies manage their finances.
Brex built its name with corporate cards and finance tools
Founded in 2017, Brex first gained traction through corporate cards and cash management products designed for startups and technology companies. It later expanded into larger enterprises. Its platform combines payments, expense management, and banking services, placing the company between fintech and enterprise software.
For Capital One, the deal adds more than a customer base. Brex has already built a platform tied to day-to-day corporate money movement, and that makes the acquisition relevant for both commercial banking and modern payment rails.
Stablecoin plans give the deal a crypto angle
The transaction stands out in crypto circles because of Brex’s growing role in stablecoin payments. In September 2025, Brex said it planned to launch native stablecoin payments and described itself as the first global corporate card platform that would let businesses make instant balance payments using stablecoins.
In that announcement, Brex CEO Pedro Franceschi said stablecoins make it possible to move millions of dollars across borders in seconds. He also said the company wanted to offer businesses a single secure platform to manage critical payments. Several crypto and blockchain-focused firms, including Figure, Solana, and Alchemy, joined the waitlist for the product.
A bank-fintech deal with digital asset relevance
If the acquisition closes, Capital One would gain a foothold in emerging payment technologies while bringing Brex under the umbrella of a major bank. The source material does not include a closing date or details on regulatory approvals. What is clear from the announcement is that Brex’s corporate payments platform, along with its stablecoin payment initiative, is now set to move closer to mainstream banking infrastructure.