Future of building

The community of values for ecological, economic and social performance in modern prefabricated house construction.


Oikos Group

OIKOS is the community of quality and values for modern prefabricated house construction in Germany and beyond. We stand for ecological, economic and social performance. That's why we focus on sustainable innovation and responsibility. For people, nature and companies.

We unite the Marken Bien-Zenker, Hanse Haus and Living Haus under one roof. Each brand retains its own character. And every brand brings its skills to the group.

OIKOS thus brings together the competencies of German engineering and perfect planning right through to fitting out the finished property.

OIKOS is thus an added value for building families and project developers alike. Our knowledge, our modern technologies, our craftsmanship, combined with industrial processes and consistent services, are unique in the industry. We not only have visions, but also our own production facilities and a nationwide service and sales structure, for which the concerted action of our brands offers many synergy advantages.

Convincing properties
all over Germany

Best practice examples of our work and our quality promise can be found throughout Germany in the form of show houses. The properties - realised more than 100,000 times together with enthusiastic client families - are also convincing. In 2017 alone, there were 1,300 houses from our brands. Every house stands for sustainability, quality, value and economy.

Every house stands for sustainability, quality, value and economy.



This is why we are repeatedly named »Germany's customer champion« and were awarded by Focus Money in 2018 for the highest customer satisfaction in premium prefabricated houses.

The OIKOS Group is one of the largest prefabricated house builders in Europe. We stand for a high level of quality and the integration of sustainability, innovation and responsibility into our value chain. As a company, we orient ourselves to the wishes of our construction families at every step of the way. Here are the reasons why.