GDTech was originally created to provide services in the field of numerical analysis. Very quickly, GDTech diversified its services. Currently, GDTech’s services address the full process of product development, which includes the design (CAD), the design validation using numerical simulation, the manufacturing methods and the design of associated tools and fixtures, the manufacturing (CAM), the product testing, the product certification …

Since 30 years, GDTech has developed a subcontracting model focused on the quality of its services. These services can be performed internally or on customer site.

Located in Belgium and in France, GDTech has over 220 employees. The offer of services covers a wide range of activity areas: aeronautics, defence, naval, transportation, space, medical devices, …

The synergies developed between the different offices guarantee a great responsiveness.

  • Over 25 years of experience of solving your challenges
  • Key activities to perfectly address your needs
  • The combined expertise of 180 employees
  • Reliability, experience and professionalism are the key words to rethink engineering
  • Flexibility, reactivity and expertise are our business assets
  • Certified ISO 9001 and EN 9100

GDTech doesn’t offer only the experience of a single study office but the one of a group of specialists.
Through its subsidiaries, GDTech is improving its range of services, including numerical simulation services.


Integrated services


GDTech France
Hydromechanics & combustion studies

open-engineering-logoOpen Engineering

Strong coupling Multiphysics engineering software

Sami Engineering

Industrial services

GDTech commits to deliver an integrated service covering the entire product development process.


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