INGPHI is a office of engineers and architects specialized in the design of bridges and buildings. It is based in Lausanne since its establishment in 2004. It now employs around fifty persons.


INGPHI stands out because it considers load carrying structures as a work of art and its such as that it develops and executes them.

Fields of Expertise

INGPHI designs load carrying structures for bridges, buildings and infrastructures.


Our team of engineers and architects is ready to work with you in order to find the best design for your project.


The team members work in close collaboration in the fields of engineering, architecture and design.