Metro de Madrid S.A. is a public company integrated into the Regional Transport Consortium of Madrid, (CRTM), an organization created in 1986 to group the efforts of public and private institutions related to public transport, in order to coordinate services, networks and tariffs, with the objective of offer the user greater capacity and better quality of the offer.

Metro de Madrid, depending of the Regional goverment of Madrid (Comunidad de Madrid), has as main functions the operation of the lines of the Metro network.