Adyen is a Dutch payment company with the status of an acquiring bank that allows businesses to accept e-commerce, mobile, and point-of-sale payments. It is listed on the stock exchange Euronext Amsterdam.

Braintree is a Chicago-based company that primarily deals in mobile and web payment systems for e-commerce companies. The company was acquired by PayPal on 26 September 2013.

Checkout.com, (with the legal name of the main entity as Checkout Ltd.), is an international financial technology company that processes payments for other companies