TIM Brasil Serviços e Participações S.A., commonly known as TIM Brasil, is a Brazilian telecommunications company, subsidiary of Telecom Italia Finance S.A., which provides mobile and fixed telephony services.

Telecom Italia Mobile S.p.A., commonly known as TIM, is an Italian telecommunications company owned by Telecom Italia S.p.A. Founded as a mobile telephony company in 1995, since 2015 it provides mobile, fixed telephony, and Internet services.