Nos SGPS SA (NOS), formerly ZON Optimus, SGPS, S.A. (ZON Optimus), is a holding company, provides broadcasting, cable and satellite services. The company offers fixed and mobile solutions for Pay TV, internet, and audiovisual segments. It is involved in distribution of cable and satellite television, production, editing and distribution of movies and television series, movie exhibition, production and sale of videos, managing sport and children’s channels, and providing advertising space on pay television channels and cinemas. The company is also involved in deployment, installation and management of telecommunication towers and other electronic communication and real estate business. NOS Optimus is headquartered in Lisbon, Portugal.