All contacts at a glance

Drees & Sommer Basel
Drees & Sommer Lausanne
Drees & Sommer Zurich

Drees & Sommer worldwide

Drees & Sommer is present at 59 international locations for its clients. In addition, there are project locations literally all over the world - wherever our customers need us. This close network of locations and experts with regional and project experience enables us to provide competent support worldwide.

Here you can find the worldwide locations.