STCP does not operate the city's light rail system, Porto Metro, but owns 25% of it.

[2] It is a public company controlled by a board responsible to the central government[2] and had about 1,500 employees in 2009.

[3][4] The municipal government purchased CCFP under a contract option accepted by the private company in 1906.

It did so in 1946, adopting the name Serviço de Transportes Colectivos do Porto for the new municipal authority.

[citation needed] The company has a small R&D group that has developed technologies to support the eco-friendly fleet, like a pump for natural gas with higher throughput.