Engineering consultants, Designers, Real estate consulting, Energy, Other technical solutions

Driven by the Ingénieurs et Citoyens spirit, our 4,000 employees are committed every day to putting their technical expertise and talents to work on virtuous and responsible projects.
Free to dare, they share the ambition to provide concrete, sustainable and innovative solutions to the challenges and major transitions of today and tomorrow.
From low-carbon construction and decarbonated mobility to territorial resilience, adaptation to climate change and decarbonated energies, we develop engineering solutions that are ever safer, more economical and more respectful of the environment.