Metropolitan is owned by Sofia Municipality and serves rapid rail transport – the metro in Sofia. Its main purpose is to provide quick and safe transport for passengers.
Its activity is oriented to investors’ control over design and construction and maintenance of sections put into operation.
Metropolitan PLC has introduced and applies into practice a system of quality management. Its scope includes operation of Sofia Metropolitan and investment activities /organizing research, design, construction, and investment control over the new metro sections/, complying with the requirements of ISO 9001: 2000 – certificate, registration number 75 100 40118, issued by TUV Rheinland Inter Cert Kft., initial certification – 2004 – 11- 30.