CSU CardSystem

CSU Cardsystem SA (CSU) is a Brazil-based company engaged in the management of credit cards and other electronic payments.

CSU Cardsystem SA (CSU) is a Brazil-based company engaged in the management of credit cards and other electronic payments. CSU provides outsourced credit card administration services, such as authorization of transactions, invoice administration, technical support, billing, accounting control, fraud prevention, development and maintenance of systems and call center services.