Sileon is a global fintech company that offers a card-based Buy Now Pay Later (BNPL) SaaS functionality to banks, card issuers and fintechs on an international basis. With Sileon's BNPL product, the customer can add BNPL to their existing credit or debit card base and run their B2B or B2C BNPL business internally. The company has its headquarters in Stockholm.