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Private company

Dortmunder Stadtwerke

Logo: Unknown author Unknown author, Public domain, via Wikimedia Commons4

Public transport company in Germany

Dortmunder Stadtwerke AG is a municipal services and public transport company in Dortmund, wholly owned by the city of Dortmund. It is operating under the brand DSW21 since 2005. The number in the acronym refers to the 21st century.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Jun 18, 1857Founded1
  • IndustryManufacture of gas; distribution of gaseous fuels through mains, energy and water industries, passenger transport, public sector1
  • HeadquartersDortmund1
  • Websitewww.dsw21.de
  • Legal formAktiengesellschaft1
  • LEI529900CU16RG7EEPIC153
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressDeggingstr. 40, 44141 Dortmund, Germany3
  • Registered withLocal Court Dortmund, HRB 23913

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DSW21-Kundencenter (2)
Photo: Joehawkins, CC BY-SA 4.0, via Wikimedia Commons6

Dortmunder Stadtwerke AG is a municipal services and public transport company in Dortmund, wholly owned by the city of Dortmund. It is operating under the brand DSW21 since 2005. The number in the acronym refers to the 21st century.2

Corporate structure

Dortmunder Stadtwerke sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

What it owns

What Dortmunder Stadtwerke reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

Leadership

Who has led Dortmunder Stadtwerke, and when. Pick a name to see everywhere that person has worked.

Board members and other officers (1)

Products and brands

The mobility division of DSW21 is a partner company in the Verkehrsverbund Rhein-Ruhr (VRR), responsible for public transport in the city of Dortmund and the surrounding area. The business area overlaps with neighboring transport companies.

Dortmunder Stadtwerke AG (DSW21) operates a total of eight light rail lines (see also: Dortmund Stadtbahn) and 76 bus lines. In 2018, it transported a total of around 130.3 million passengers on its 1107.6-kilometer network, covering approximately 20,780,000 kilometers. It used 47 streetcar cars, 74 light rail cars and 172 buses for transportation. Due to the COVID-19 pandemic, the number of passengers dropped by 20% in the first quarter of 2021.

The company is a member of the Eastern Ruhr Area Cooperation (Kooperation östliches Ruhrgebiet).

From Wikipedia’s article on Dortmunder Stadtwerke, shared under CC BY-SA 4.0.5

Subsidiaries and ownership

Also owns

From Wikidata.1

Timeline

  1. Jun 18, 1857Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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