Portugal Telecom (Euronext: PTC, NYSE: PT) is the biggest telecom operator in Portugal. It operates mainly in Portugal and Brasil.
Portugal Telecom was the only telephone operator in Portugal, being a monopoly, until 1994, when the government gradually retired its control over the corporation and in 2000 Portugal Telecom became a publicly owned company. Since then, it has held a dominant position in the liberalized Portuguese market.
Due to its large market share, Portugal Telecom is still considered a de-facto monopoly in fixed telephony in Portugal.
Portugal Telecom is the largest corporation in Portugal and has a large presence in Brasil. It owns PT Comunicações, the largest fixed phone and ADSL operator in Portugal, Telecomunicações Móveis Nacionais, SA (TMN), the largest mobile phone operator in Portugal and SAPO Saber & Lazer, SA, an Internet subsidiary, Páginas Amarelas, S.A., the publisher of the Portuguese Yellow Pages edition, Lusomundo Cinemas, a film distributor and a large chain of cinemas around Portugal, TV Cabo Portugal, a cable/satellite company involved in broadband cable networks and television programming content, Vivo, the largest mobile phone network in Brasil. Vivo is a joint-venture with Telefónica.
Portugal Telecom is a publicly owned company. Major stockholders include:
Banco Espírito Santo: 8,60%
Brandes Investments Partners: 7,36%
Capital Group: 5,42%
Caixa Geral de Depósitos: 4,98%