Checkout.com

Checkout.com builds a global payments platform for enterprise merchants, offering card acquiring, payment processing, issuing, and risk/fraud tools across 145+ currencies. It serves ecommerce and digital businesses and earns primarily through transaction and service fees, with direct integrations to schemes like Visa, Mastercard, and Amex. Founded in 2012 and headquartered in London, the privately held company counts brands such as Spotify, eBay, Uber, Klarna, and Sony among its customers.