Griffin
The 'bank you can build on': a full UK banking licence (2024) wrapped in an API, founded by ex-Airbnb and CircleCI engineers — the first British BaaS provider that is actually a bank rather than an EMI. No tracked neobank runs on it yet.
Other BaaS & clearing banks
Client list shows tracked neobanks with a publicly documented relationship — not a complete customer book. Sourced from issuer disclosures and public reporting; suggest a fix.