Sitel is redefining outsourcing excellence in the contact center, by raising the bar on expectations. We are the leading global business process outsourcing provider of customer care and complementary back-office processes. According to the Black Book of Outsourcing, Sitel is the number one global call center outsourcing provider and received the top score in 11 critical performance categories including vertical expertise, reliability, innovation, trust, flexibility and customization. This proves, when you focus on your core competency, that you can be better than anyone else in the world. Sitel's clients, many of the largest and well known brands in the world, have selected and continue to partner with Sitel for one reason; Sitel delivers the results they want; Sitel delivers Return on Customer Investment (RoCI).