Previously RBS WorldPay, this payment processing company focuses on Internet and mail-order retailers and POS transactions. Its clients include multinational retailers, but most are small businesses. WorldPay was started as Streamline in the UK in 1989. In 2013, the company launched its Zinc mobile card processing technology that connects with a smart phone and also acquired the US processor Century Payments. The majority shareholders are Advent International and Bain Capital.
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