For more than four decades, Worldpay has brought progress to the payments processing industry with their payments technology. Formed in 1971 as part of Fifth Third Bank, the company was innovative when it developed and implemented the first shared online ATM network in the U.S. In January of 2018, the #1 merchant acquirers in the U.S. and U.K. (Vantiv and Worldpay Group, respectively), merged to form the new Worldpay, Inc., becoming the largest processor of credit and debit card transactions in the world.