- CEO
- Marcelo Jose Milliet
- Full Time Employees
- 6,490
- Sector
- Communications
- Industry
- Major telecommunications
- Address
- Rua do Lavradio, 71 – 2º andar Rio de Janeiro RJ Brazil 20230-070
- IPO Date
- Mar 27, 1980
- Business
- Oi S.A. (OIBR3.SA) provides telecommunications services to corporate and public sector clients in Brazil, with Oi Soluções serving as its core business unit focused on integrated digital solutions; it offers cloud services, IT and telecom integration, fiber optics connectivity, security, IoT, big data, network services including fixed and Wi-Fi internet, local and long-distance voice transmission, broadband, pay TV, call center and telemarketing operations; through wholly owned subsidiaries Serede, Tahto and Oi Services, the company delivers field services, specialized call center support and business process outsourcing (BPO); it operates nationwide across Brazil from headquarters in Rio de Janeiro, where it was founded in 1998 as Telemar following the Telebrás privatization. The company targets over 40,000 public and private enterprise customers from diverse sectors with customized solutions via strategic partner ecosystems, generating average annual revenues of R$2 billion for Oi Soluções while addressing legacy fixed telephony concession obligations until 2024 under an Anatel-approved authorization regime shift. In 2024, Oi completed judicial reorganization with creditor-approved debt restructuring reducing financial liabilities by 70% at fair value, ratified capital increases converting creditor claims into 80% of equity alongside new governance implementation; it advanced asset divestitures including a debt-for-equity tower and property transfer to American Tower Corporation, progressed sales of UPIs such as ClientCo and V.tal stakes targeting closure by early 2025 and 2026 respectively, and issued new debt instruments for operational liquidity amid a strategic pivot to B2B profitability with reduced capex.