Griffin has landed Uber and Marqeta integrations in a milestone year for the UK banking startup, which says payments volumes reached about £3billion and revenue rose fivefold.
The London-based, API-first bank said it now works with more than 50 platform customers, including Yonder and Prospe, and supports hundreds of thousands of end users through those partners, with additional integrations such as Access Group, Aspora and Sidekick either live or in testing.
Its latest update follows a sequence of milestones for Griffin, including regulatory approval to exit mobilisation in March 2024 (backed by a $24million, about £19million, fundraise) and the move to general
availability in September 2024 after its early access ‘Foundations’ programme; the bank also announced its B Corp certification in July 2024.
“2025 was the year we became the partner bank of choice for fast-moving technology companies in the UK,” said David Jarvis, CEO and co-founder of Griffin.
“We’ve proven you can build a bank that moves as fast as the fintechs it serves without compromising on compliance or resilience. The companies integrating with us aren’t just taking a bet on the future – they’re building on proven infrastructure that scales.”
Developer-facing APIs
Griffin says its API-based platform has helped some customers bring new financial products to market more quickly, with compliance controls integrated into the underlying infrastructure. The bank provides access to accounts and payments capabilities, including savings, current and operational accounts, alongside compliance tooling, delivered through its developer-facing APIs.
Matt Ford, co-founder and CEO at Sidekick Money, commented: “Griffin represents the infrastructure layer that will enable the next generation of financial services in any industry. We went from signing our contract to going live in eight weeks, which speaks to both the quality of their infrastructure and expertise of the team.”
Griffin’s update comes amid growing demand for embedded finance across Europe, with the bank positioning itself as a regulated UK banking partner for platforms. The company said it plans to expand its payments capability in 2026 alongside a card programme and a stablecoin offering.
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