Oi S.A. (BVMF:OIBR4)
Brazil flag Brazil · Delayed Price · Currency is BRL · Preferred Stock
8.55
-0.22 (-2.51%)
At close: Jul 18, 2025

Oi S.A. Company Description

Oi S.A., together with its subsidiaries, provides telecommunication services in Brazil and internationally.

The company offers integrated voice, broadband and pay TV, fiber optics, security, IoT, big data, connectivity, fixed, and Wi-Fi Internet, and local and long-distance voice transmission services.

It also operates fiber optic network; and IT solutions for companies through a cloud computing platform.

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 1998 and is based in Rio De Janeiro, Brazil.

Oi S.A.
Oi S.A. logo
CountryBrazil
Founded1998
IndustryTelephone Communications, Except Radiotelephone
SectorCommunication Services
Employees6,490
CEOMarcelo Milliet

Contact Details

Address:
Rua do Lavradio, 71
Rio de Janeiro, 20230-070
Brazil
Phone55 21 3131 2918
Websiteoi.com.br

Stock Details

Ticker SymbolOIBR4
ExchangeBrazil Stock Exchange
Stock TypePreferred Stock
Fiscal YearJanuary - December
Reporting CurrencyBRL
ISIN NumberBROIBRACNPR8
SIC Code4813

Key Executives

NamePosition
Marcos Aurelio Freire MendesPeople and Culture Officer and Member of Executive Board
Daniel Junqueira Pinto HermetoBusiness Support Officer and Member of Executive Board
Andressa MouraoOmbudsman and VIP Service Officer and Member of the Executive Board
Adriana da Cunha CostaRegulation and Institutional Officer and Member of Executive Board
Caio Marcio GusmonTechnology Officer and Member of Executive Board
Gustavo BrambilaDirector of Network and IS Operations and Member of Executive Board
Marcelo Augusto Leite De MoraesOi Solutions Officer and Member of Executive Board
Fabricio BindiCorporate Retail Director and Member of Executive Board
David Tavares Neves NunesChief Accounting Officer
José Augusto da Gama FigueiraSecretary