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In dialogue with otris

We are here for you: use the contact form to get in touch for the first time or simply give us a call. For the best way to find us, please see the directions.

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How to find us

A great advantage of our company headquarters is the convenient connection to public transport. Dortmund’s main railway station is opposite, so you can reach our offices from there in just a few minutes on foot. We are also easily accessible by other means of transport. You can find the respective directions here.

By train.

  • Dortmund main station
  • Main exit direction City
  • Turn right along Königswall
  • in 200 m Harenberg City-Center

By car via the B1 (from Unna).

  • Exit Märkische Straße / L672 in the direction of Zentrum
  • left onto Südwall
  • continue in the direction of Hauptbahnhof
  • left into Bahnhofstraße
  • right into the entrance to the car park/underground car park (Dortmund Hbf)
  • The main entrance to the HCC is opposite the car park/underground car park on the other side of the street

By car via the B1 (from Bochum).

  • At the Dortmund Nord-Ost junction, take the A45 Dortmund-Hafen
  • see journey below (via the A45)

By car via the A45.

  • A45 Exit Dortmund-Hafen, direction Dortmund-Innenstadt
  • Turn right at the 2nd traffic light (Schützenstraße)
  • go under the railway subway and turn left directly into Bahnhofstraße
  • You drive directly towards the entrance of the car park / underground car park (Dortmund Hbf)
  • The main entrance to the HCC is opposite the car park / underground car park on the other side of the road

Arrival from Düsseldorf airport.

  • Regional train / ICE to Dortmund

Arrival from Dortmund airport.

  • Taxi (usually faster than bus and train)
  • Alternatively: Airport shuttle bus to Holzwickede railway station (every 15 min., journey time 5 min.)
  • Regional train to Dortmund main station (every 30 min., journey time 18 min.)

Contact information:


otris software AG
Königswall 21
D-44137 Dortmund
+49(231) 958069 0
+49(231) 958069 50
+49(231) 958069 40