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Roschi AG

Founded in 1972, Gruner Roschi AG is an independent engineering and design company located in Köniz that strengthens the Gruner with its core competencies in building services, energy systems and conduit construction.

Public- and private-sector clients are able to capitalize on our many years of experience and across-the-board expertise in the role of both single-source and specialist design firm. Our highly professional staff is available to develop solutions perfectly tailored to our clients’ needs. Our priority is to utilize energy efficiently and with minimal environmental impact. With this in mind, we view structural engineering and building services as a single system. We develop viable concepts which stand the test of time in the real world. For project work, highly skilled interdisciplinary teams are set up in response to the client’s brief.

Executive Board

  • Marc Wüthrich, Energy Engineer (NDS/UAS) (Managing Director)
  • Mario Flühmann, Engineer (UAS/HVAC)


Gruner Roschi AG

Gruner Roschi AG
Sägestrasse 73
3098 Köniz
T +41 31 917 20 20
F +41 31 917 20 21
Contact Person
Marc Wüthrich
T +41 31 917 20 25
Marc Wüthrich, Vorsitz der Geschäftsleitung Gruner Roschi AG



Gruner Roschi AG
Untere Steingrubenstrasse 19
4500 Solothurn
T +41 32 622 34 51
F +41 32 623 72 94