OiCompany Review & Valuation
About Oi S.A.
Oi S.A., a switched fixed-line telephony services concessionaire, provides integrated telecommunication services in Brazil. The company offers fixed telephony services, including voice, data communication, and pay TV services; local and intraregional long-distance carrier services; domestic and inte… Show morernational long-distance services; mobile telephony and corporate solutions; and installation, maintenance, and repair services, as well as value-added services and commercial data transmission services. It also provides wholesale interconnection, network usage, and traffic transportation services to other telecommunications providers. As of December 31, 2017, the company had 5.9 million asymmetric digital subscriber line subscribers; and 39 million mobile subscribers. It serves residential, subscription and prepaid, mobile broadband, small, medium-sized, and large corporate customers. The company was formerly known as Brasil Telecom S.A. and changed its name to Oi S.A. in February 2012. Oi S.A. was founded in 1963 and is headquartered in Rio de Janeiro, Brazil. On June 20, 2016, Oi S.A. along with its subsidiaries filed for bankruptcy protection.Show less