Worldpay is a well-known all-in-one international gateway that accepts applications from Australian, US, Canadian, UK, and other customers. Worldpay describes their service as a “combination of a Merchant Account along with multi-currency payment processing – called Business Gateway Plus – to save you time and effort. This solution is perfect for: small and start-up businesses that may struggle to obtain a Merchant Account from their bank, or businesses wanting to accept multi-currency payments.”