• Follow RS Workshop in racing
  • Race driving course
  • Conversations and modifications in our workshop
  • Used cars to sell
  • Transformation and tuning according to your desiress
  • Motor modifications
  • Competition preparation
  • RS Workshop in races

More than 20 years of experience

Founded by Jean-Marc Forestier, RS Workshop is not only the result of more than 20 years of experience in the domain of automobile development and 10 years of experience in racing, but especially the product of a life’s passion.

Excellence is the watchword of the automobile development company; RS Workshop.

Competitive at the national level, we engage ourselves to furnish the best quality services with the help of cutting edge technology tools. This allows us to constantly evolve the engines, frames, gearbox as well as alleviating the structure’s weight and improving the security.

In constant development of new technologies and in close collaboration with our clients, we give our best to reach maximum performances. Indeed, thanks to our excellent results, RS Workshop will soon open a new infrastructure.

We welcome you in our Porsche specialized workshop, from 356 to 911 / 964 / 993

From 1963 to 1998, without forgetting RS / GT3 / GT2 / 944 Turbo and 928.

Nevertheless, all brands are welcomed.

More about us




Learn about our recommandations for your Porsche.
More about our recommandations


RS Workshop is the specialist for your Porsche preparation..
More about our preparations
RS Workshop Racing Engine Improvement Technology
Jean-Marc Forestier | 1223 Cologny-Geneva - Switzerland | Only on appointment
Phone +41 (0)79 746 01 02 - Please, after 5.00 pm
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