CSU CardSystem SA operates in the high technology services market, which focuses on consumption, client relationships, electronic processing and transactions. It operates through CSU.CardSystem and CSU.Contact segments. The CSU.CardSystem segment is responsible for the management and processing of electronic means of payment and consolidates still the results of the MarketSystem and ITS division. The CSU.Contact segment is a contact center, which specializes in client relationship management outsourcing, focusing on the development of customized and innovative solutions for the full customer relationship process, through both human-staffed service positions and digital channels. The company was founded by Marcos Ribeiro Leite in 1992 and is headquartered in São Paulo, Brazil.