Thredd
The processor formerly known as GPS (Global Processing Services) — the issuer-processing firepower under the UK fintech wave: Revolut, Starling and Curve all scaled on it, and it still processes billions of transactions a year across 40+ countries.
Tracked neobanks on its rails
Other card issuing processors
GalileoMarqetai2cPaymentologyPomeloNiumStripe IssuingAdyen IssuingCoreCardEpisode SixHighnoteLithicWallesterZeta
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.