Our values

GSE's capital is primarily made up of the women and men who work for the group and are united by shared values: commitment, transparency, professionalism, innovation, confidence and pioneering spirit.


The commitment of every employee helps deliver on major promises made to all group partners. This is notably reaffirmed in the contractual commitments made to our clients to respect pricing and deadlines.



This is the key word describing the spirit of our working relationships with the group's clients, suppliers and staff.


This ongoing obligation helps provide our clients with services of the highest quality, thereby responding to their expectations.


Designer of solutions

The search for innovative solutions is what drives us forward and helps us stand out.


We are convinced that the group's primary resource is our staff and their skills.


Pioneering spirit

Daring, moving forward, discovering new territories: this has always influenced our mindset.