Design offices, Real estate consultancy, Diagnostic and certification control

G-ON is an independent sustainable development consulting and engineering company that combines environment, well-being, quality of life and sustainable innovation for all players in real estate and the living environment. Founded in 2016 by Gwenaël Jan and Thierry Lacroix, G-ON believes in a shared commitment to sustainable development with real estate players. We cultivate a highly advanced knowledge of the business and the issues at stake to enable players to evolve nimbly in this fast-changing sector, faced with multiple challenges.