“Can a London-based payment solutions broker become the definitive access point for high-risk merchants seeking banking and payment infrastructure in emerging and restricted markets?”
Alcaston operates as a specialist payment solutions broker targeting high-risk merchants and industries that face difficulty accessing mainstream banking and payment processing. Based in central London, the company has built a curated network of banking and payment processing partners to serve corporate clients in underserved or restricted regions including Latam, the Caribbean, and Central/Eastern Europe. Rather than building its own infrastructure, Alcaston acts as an intermediary — sourcing and connecting clients to compatible providers for multi-currency accounts, card processing, and payment facilitation.
Alcaston processes payments through Rapyd.
Alcaston uses Rapyd for FX and cross-border payouts.
The Embedded Finance Index 2026 maps 2 layers in Alcaston's stack: Payments / PSP (Rapyd); FX & payouts (Rapyd).
Alcaston is headquartered in London, United Kingdom.
Get a read on where your own stack stands against Alcaston and the rest of its category — what they built versus bought, which providers they use, and where the gaps in your own strategy and competitive set actually are.