S&P Global Ratings' Climate Transition Assessment of Companhia de Saneamento Basico do Estado de Sao Paulo (SABESP) is Medium green. SABESP is a Brazil-based water and wastewater utility. Established in 1973, the company supplies water to 28.1 million people and provides sewage collection services to 25.1 million people. The company operates water and sewage systems in 375 municipalities in the state of São Paulo. SABESP provides services to residential, commercial, and industrial private customers, as well as for public services.