In 1995 the Streamline system was reabsorbed into the bank when the trading name and payroll service of Centre-file ltd were sold to Ceridian. NatWest was acquired in 2002 by Royal Bank of Scotland Group (RBS)[7] which renamed the business RBS WorldPay and appointed Ron Kalifa as CEO.[8] RBS expanded the business significantly by acquiring and merging a number of payment solutions companies from different countries.