Stockholm Metro is operated by MTR Tunnelbanan AB, a 100% owned subsidiary of MTR Nordic AB, which is wholly owned by MTR Corporation.
The Stockholm metro system is owned by the Stockholm County Council through Storstockholms Lokaltrafik (Stockholm Public Transport). On 2 November 2009, MTR Tunnelbanan AB took over the operation of Stockholm Metro under an 8-year operation and maintenance concession. On 8 September 2015, Stockholm County Council extended the concession for a further six years, covering the period from 2017 to 2023. The system comprises of 3 lines with a total length of 110km and has 100 stations, of which 47 are underground.
The maintenance of the rolling stock is taken up by MTR Tech AB, a 100% owned subsidiary of MTR Nordic AB.
For more information about Stockholm Metro, MTR Tunnelbanan AB and MTR Tech AB, please visit http://www.mtrnordic.se.