FIS is currently the most successful processing company in the world. Despite its size and the fact that it’s been around since 1968, FIS still hasn’t gotten small-business processing quite dialed in yet.
FIS’s product Worldpay is a usable processing system. It gets the job done and has many features that contemporary businesses have come to expect. What Worldpay lacks, however, is a transparent pricing model, flexible contracts, and decent customer service.