Oi, also known as Oi S.A., is a publicly owned company headquartered in Brazil. Founded in 1998, it employs approximately 19,860 individuals and reported $1.5B in revenue as of 2024. Functioning as a tier 1 media tech buyer, the company operates as a Brazilian telecoms operator, formerly known as Telemar.
Brazilian telecom company Oi is preparing to sell its IT and connectivity division Oi Solucoes for an estimated BRL 1.4 billion, a move that is part of the company's ongoing efforts to pay down debt following its judicial reorganisation, according to a report on April 22, 2026. Previously, S&P Global Ratings discontinued its ratings on Oi S.A. on March 10, 2026, after downgrading the company to 'D' following its missed interest payment on 2026 senior secured notes, which was due in January. Earlier, on January 29, 2026, the Public Ministry (MP) of the State of Rio de Janeiro defended that Oi S.A. should bear the cost of approximately R$ 53.9 million for the severance pay of 1741 workers of Serede – Serviços de Rede S.A., a manifestation filed in the company's judicial recovery process. This followed Oi obtaining access to BRL 517.4 million on November 28, 2025, after reaching an agreement with the agency Anatel.
Oi offers 5 products in the media and telecoms services industry. Oi's product portfolio comprises of telecoms.
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Oi's revenues were $1.5B in 2024. Caretta Research has split Oi's revenue into 3 different product categories, the largest of which is mobile services, which represents 33% of Oi's revenue.
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