Best On-Premises Payment Gateways of 2025

Exact Payments develops and delivers easy-to-integrate and highly scalable payments technology for SaaS companies to seamlessly embed payment flows into their software and activate a new, high-margin revenue stream. With Exact’s PayFac-as-a-Service solution, SaaS providers build frictionless buying journeys that enhance customer experience, improve retention, and increase the lifetime value of a customer by as much as 5x. Today, Exact processes >1 billion transactions annually for prominent customers, including Chase, Ordway, Cineplex, Allianz, Levi’s, and Carfax.

Whalestack presents an advanced cryptocurrency payment solution tailored for businesses, providing digital currency checkout systems that efficiently transfer Bitcoin into your bank account in moments. This platform supports cryptocurrency acceptance, offering immediate fiat conversion to mitigate currency fluctuation risks, eliminate chargebacks, and reduce credit risks. It features an all-encompassing suite of services, including detailed financial reporting, invoicing, taxation, and analytics, designed for easy implementation via REST API or a straightforward checkout button. Catering to online retailers and e-commerce sites, Whalestack enables the processing of payments in a variety of digital currencies while adhering to compliance standards, thus maintaining the contentment of accountants and regulatory bodies. It allows online enterprises to price and settle transactions in their local currency (for example, EUR, USD), regardless of the specific digital currency (Bitcoin, Lightning, USDC, EURC, or Stellar) chosen by the buyer for payment.

Computop provides its customers with local and innovative omnichannel payment processing and fraud protection solutions for ecommerce and POS. Computop Paygate allows retailers, service providers, and industrial enterprises to choose from more than 350 payment methods. Computop is a global player, with locations in Germany and the USA. It has been serving large international companies, such as C&A and Fossil for over 25 years. Computop processes transactions worth USD 33 billion, in 127 currencies.