The company, through the GSM technology, has a national reach of approximately 93% of urban population and offers services to mobile and fixed telephony, data transmission, and Internet access at high speed.

TIM Brasil is headquartered in Rio de Janeiro and is listed in B3 and NYSE, in São Paulo and New York City, respectively.

TIM Live is a broadband Internet service provided in some areas of São Paulo and Rio de Janeiro, which uses the VDSL2 technology, currently in two speeds: 35 Mbit/s down (20 Mbit/s up) and 50 Mbit/s down (30 Mbit/s up).

[6] On 8 August 2012, TIM Brasil became involved in a scandal, due to a report release by the Brazilian National Telecommunications Agency (Anatel).

Upon release of the report, the Public Ministry of the Paraná State filed a lawsuit against TIM asking that it stop selling new mobile lines in Brazil and pay a multimillion-dollar fine for the damages against consumers.