NOS, S.G.P.S., S.A. is a Portuguese company that, together with its subsidiaries, operates in telecommunications and entertainment. It provides cable and satellite television, voice and internet access, mobile broadband and mobile voice, and VoIP services. The company is also involved in content rights, film distribution and exhibition, pay-TV channels, advertising, data centers, and related engineering and consultancy services. It was incorporated in 1999 and is headquartered in Lisbon, Portugal.