Why Berlin?

Berlin is creative, innovative and diverse. Berlin is booming - and rightly so. So it makes sense that we’ve been active here in Berlin since 1993.

Sebastian Sack, UNDKRAUSS Bauaktiengesellschaft

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UNDKRAUSS Bauaktiengesellschaft

Your ally for construction.

We are at your side for interior fit-out and turnkey construction, including all building services. Our range of services includes new builds, modernizations, refurbishments and conversions of properties.

We operate in the fields of

  • office and commercial,
  • retail,
  • hotels, museums and special real estate

Together with our customers, we develop individual special solutions. For us, proactive work means project support from the very first minute. As soon as your vision takes shape, we are at your side.
We contribute our expertise right from the design phase. We are your contact for implementation planning, project management, execution and operation, whether as individual services or complete solutions.

Limitless graph paper.

The beginning of a building project is always the imagination. The power to see something that does not yet exist. Limitless - except for the ones you set for yourself. In this phase, UNDKRAUSS Building stock corporation is at your side with vision and an unbridled passion for the project. But also with the experience gained from countless completed construction projects, the knowledge of materials and possibilities, and respect for graph paper, spirit levels and slide rules.

A desire for performance.

We do what we love. We love what we do. Yes, we have fun at work and want to pass this on. We never forget our responsibility for your project. Consistent, competent and correct, our craft is the focus of everything we do. We are open, critical and constructive - and fight for the cause alone.


We make your challenge ours, think comprehensively and are only satisfied when you are. As part of a proactive partnership, we accompany you and your project from the vision to the operation of the property. YOU AND UNDKRAUSS, a collaboration for the benefit of everyone involved.

Allies for construction.

There are suppliers and service providers; we are allies. Team spirit, internally and externally, is paramount. A handshake counts, a word is binding. UNDKRAUSS Building stock corporation is also allied with the world in which we live: Sustainable construction is just as important to us as social responsibility.

UNDKRAUSS Bauaktiengesellschaft
Sebastian Sack
Gardeschützenweg 72
12203 Berlin
+49 30 843718-0
Fax: +49 30 843718-148

Your contact

Sebastian Sack

UNDKRAUSS Bauaktiengesellschaft