Ranked in the Top 2 international nuclear engineering companies worldwide, Assystem has over 50 years of experience of working in complex and highly-regulated industries. The company was originally established to support the commissioning and start-up of the first fleet of nuclear reactors in France in 1966 and since then, has grown and diversified to acquire strong track records in other sectors including life sciences as well as energy and transport infrastructure. Our commitment to the nuclear industry remains as strong as ever and Assystem is today recognized as one of the most prominent consulting & engineering companies worldwide in the nuclear business.