ASSYSTEM

Assystem is a public engineering and consulting group headquartered in Courbevoie, France, that designs, supervises, and digitizes complex infrastructure projects for nuclear and low‑carbon energy, grids, hydrogen, and transport clients. It sells engineering, project management, and digital services to utilities, developers, and industrial operators. Founded in 1966 and listed on Euronext Paris, the company operates across Europe, Asia, Africa, and the Middle East.