Private company

SWEG Südwestdeutsche Landesverkehrs-GmbH

Logo: SWEG Südwestdeutsche Landesverkehrs-GmbH, Public domain, via Wikimedia Commons4

German transport company

The Südwestdeutsche Landesverkehrs-GmbH (SWEG), in English language Southwest German Transport Company, from its former name, Südwestdeutsche Eisenbahn-Gesellschaft (SEG), is a transport company in southwest Germany that operates railway lines and bus services. It is 100% owned by the federal state of Baden-Württemberg. On 24 July 2017, a merger between SWEG and the Hohenzollerische Landesbahn (HzL) was approved by the Sigmaringen and Zollernalbkreis district authorities which each hold 14% stakes in HzL.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1963Founded1
  • HeadquartersLahr/Schwarzwald1
  • Websitewww.sweg.de
  • Legal formGesellschaft mit beschränkter Haftung1
  • LEI894500S3WDURLALQ44103
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressRheinstraße 8, 77933 Lahr, Germany3
  • Registered withLocal Court Freiburg, HRB 7251263
SWEG-NE81
Photo: Ulrich Klumpp, CC BY-SA 3.0, via Wikimedia Commons6

The Südwestdeutsche Landesverkehrs-GmbH (SWEG), in English language Southwest German Transport Company, from its former name, Südwestdeutsche Eisenbahn-Gesellschaft (SEG), is a transport company in southwest Germany that operates railway lines and bus services. It is 100% owned by the federal state of Baden-Württemberg.2

Corporate structure

SWEG Südwestdeutsche Landesverkehrs-GmbH sits at the top of its group. 5 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 SWEG Südwestdeutsche Landesverkehrs-GmbH 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

Products and brands

SWEG directly owns and operates the following railway lines:

Achern – Ottenhöfen (the Achertalbahn)

Bad Krozingen – Münstertal (the Münstertalbahn)

Biberach (Baden) – Oberharmersbach-Riersbach (the Harmersbachtalbahn)

Read the full text

Bühl – Schwarzach – Stollhofen (goods only)

Gottenheim – Riegel am Kaiserstuhl – Breisach (the Kaiserstuhlbahn)

Freiburg (Breisgau) Hbf – Denzlingen – Elzach (the Elztalbahn)

SWEG's wholly owned Ortenau S-Bahn subsidiary also operates services over lines owned by DB Netz AG in the vicinity of Offenburg. SWEG also has a 50% share-holding in the Breisgau S-Bahn, which operates similar services in the vicinity of Freiburg im Breisgau.

From Wikipedia’s article on SWEG Südwestdeutsche Landesverkehrs, shared under CC BY-SA 4.0.5

Subsidiaries and ownership

Owners

  • Baden-Württemberg 95% since 2018
  • Sigmaringen District 2.5% since 2018
  • Zollernalbkreis 2.5% since 2018

Subsidiaries

Also owns

Former owners and parents

  • Baden-Württemberg 100% until 2018

From Wikidata.1

Timeline

  1. Oct 7, 2021Renamed Name changed to SWEG Südwestdeutsche Landesverkehrs-GmbH1
  2. 1963Founded Founded1