Oi S.A. (BVMF:OIBR4)
7.76
+0.66 (9.30%)
At close: Apr 24, 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.

Country | Brazil |
Founded | 1998 |
Industry | Telephone Communications, Except Radiotelephone |
Sector | Communication Services |
Employees | 6,490 |
CEO | Marcelo Milliet |
Contact Details
Address: Rua do Lavradio, 71 Rio de Janeiro, 20230-070 Brazil | |
Phone | 55 21 3131 2918 |
Website | oi.com.br |
Stock Details
Ticker Symbol | OIBR4 |
Exchange | Brazil Stock Exchange |
Stock Type | Preferred Stock |
Fiscal Year | January - December |
Reporting Currency | BRL |
ISIN Number | BROIBRACNPR8 |
SIC Code | 4813 |
Key Executives
Name | Position |
---|---|
Marcos Aurelio Freire Mendes | People and Culture Officer and Member of Executive Board |
Daniel Junqueira Pinto Hermeto | Business Support Officer and Member of Executive Board |
Andressa Mourao | Ombudsman and VIP Service Officer and Member of the Executive Board |
Adriana da Cunha Costa | Regulation and Institutional Officer and Member of Executive Board |
Caio Marcio Gusmon | Technology Officer and Member of Executive Board |
Gustavo Brambila | Director of Network and IS Operations and Member of Executive Board |
Marcelo Augusto Leite De Moraes | Oi Solutions Officer and Member of Executive Board |
Fabricio Bindi | Corporate Retail Director and Member of Executive Board |
David Tavares Neves Nunes | Chief Accounting Officer |
José Augusto da Gama Figueira | Secretary |