CSU Digital | 114,557 followers on LinkedIn. Technology leader for financial services and customer experience | CSU is a leading company in the Brazilian market for providing high technology services focused on consumption, customer relationship, processing and electronic transactions. It offers complete solutions for credit card programs and electronic means of payment, data center, customized solutions for loyalty, credit and costumer experience. Acting as a pioneer, the company has been in the market for 31 years and has its shares listed on the Novo Mercado of BM&FBovespa (CSUD3), the highest level of Corporate Governance.