Telefonica Brasil SA, also known as Vivo, is the leading telecommunication services provider in Brazil with a strong presence in both wireless and fixed-line services. With a customer base of 99 million, Telefonica Brasil holds a significant market share of about 40%. The company's ESG score is 14.7, indicating low risk. Vivo is well-known for its postpaid business, serving 62 million customers and dominating 42% of the market. Additionally, the company offers wireless services, equipment, internet access, pay-tv, phone services, and corporate data solutions. Telefonica Brasil SA is a key player in the Brazilian telecommunication industry, emphasizing sustainability and governance practices.