Telef Nica Brasil S A 's

The company operates in the national electronic accessories market with its OVVI and i2GO brands. In the international telecommunications market, its primary competitor is Claro through its Embratel business. As of December 31, 2025, the company holds a 38.1% share of the mobile market, leading in 13 Brazilian states. Claro Brasil, controlled by America Móvil Group, leads in nine states, while TIM, a subsidiary of Telecom Italia, leads in five states. In fixed telecommunications services, key competitors include Claro (including Claro and Embratel), Nio, TIM, and SKY, which is controlled by the Argentine conglomerate Werthein. Additionally, numerous regional service providers operate throughout Brazil. The regulatory agency ANATEL classifies small-scale providers (PPP) as companies with less than 5% retail market share, subject to asymmetric regulatory rules.