Vivo (telecommunications) region Vivo owns the following brands: Vivo (telecommunications) Vivo (, Portuguese for "alive"), is a brand of Telefônica Brasil, the largest telecommunications company in Brazil. It is headquartered both in São Paulo and Rio de Janeiro. The company was originally formed as part of Telebrás, the state-owned telecom monopoly at the time. In 1998, Telebrás was demerged and privatized. Telefónica bought Telesp, the São Paulo division, and rebranded it to Telefónica. On 15 April 2012, all Telefonica services were rebranded again to Vivo, using the same strategy of unifying all its services in a unique brand, like Movistar (Hispanic America
O2 Czech Republic different lines of business: the retail operator O2 and the wholesale infrastructure provider CETIN. The separation includes commercial and managerial leadership and management of both companies, including security, IT and control systems. The company was initially known as SPT Telecom ("Státní telekomunikační podnik", state-owned telecommunications company), and used to have a monopoly for providing fixed-line services. It was reorganized and renamed Český Telecom (Czech Telecom), after the Velvet Divorce saw Czechoslovakia separate into the Czech Republic and Slovakia in 1993. Its mobile subsidiary, Eurotel, was founded in 1990 as a joint venture between SPT (51%) and the American joint-venture Atlantic