Sascha Hartmann
Sascha Hartmann
General Manager
Sascha Hartmann
+49 (0)221 650860

Contact Person

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Persons and time period
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I can be contacted at:

Design Offices Köln Dominium

Tunisstraße 19-23 | D-50667 Cologne | +49 (0) 221 650 86 400

Flexible room solutions on-site

Your own office with feel-good factor and all-round service


Maximum flexibility and a chance to share ideas


Inspiring environment for creative meetings


Spectacular locations that leave a lasting impression


Prestigious address near the cathedral

Our second site in Cologne is right at the heart of the city, just a few steps from its major landmark. The striking architectural ensemble is a superb feat of urban planning in an excellent location.

Design Offices Cologne Dominium has everything modern day-to-day working routine requires: flexible workspaces ranging from single co-working space through to team offices and large-scale project areas, inspiring conference rooms and much more besides. Our working environments are spread over nine floors with a total surface area of more than 9,000 m², offering you and your employees plenty of space for your projects and visions.

With the landscaped courtyard and rooftop terraces, the sense of a contemporary work setting is perfect – the ideal setting in which to showcase your special events.

Our team will be more than happy to provide an exclusive tour. Book an appointment right now on +49 (0)221 650860.

General Manager

Sascha Hartmann
+49 (0)221 650860

Address and site map

Design Offices
Köln Dominium

Tunisstraße 19-23
D-50667 Cologne

+49 (0)221 650 86 400

Service opening times:
Mon. – Fri. 8:30 am to 6:00 pm

Info material (coming soon)

"DO MORE OF WHAT MAKES YOU HAPPY" Issue #3 of our Magazin is out now