In our 20-criterion evaluation of global merchant payment providers, we identified the 11 most significant ones — ACI Worldwide, Adyen, Chase Merchant Services, CyberSource, Elavon, First Data, Ingenico Group, Paysafe Group, Wirecard, Worldline, and Worldpay (formerly Vantiv and Worldpay) — and researched, analyzed, and scored them. This report shows how each provider measures up, and it helps digital business professionals select the right providers for their needs.