Our services ensure high-level interior design and project management.

Unser Einsatz gewährleistet Innenarchitektur und Projektabwicklung auf hohen Niveau

about us


concerning interior design and interior decoration
of living spaces, shops, businesses.

The engineering office C4 Innenarchitektur GmbH was founded as a private company by Ing. Hans-Peter Schaffner in 2003. Due to executions of more and more complex projects, C4 was transformed into a limited liability company (LLC / GmbH) in 2007.

Expertise on both national and international projects qualifies us to be your reliable partner in designing and implementing your construction project.

We show technical and creative competence in international projects. But also smaller projects are a high priority for us and handled in a way satisfactory for our clients.

„My team and I would be happy to be responsible for your interior design.“ Hans-Peter Schaffner

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