Since 1998, the company has been supporting major French and international clients in their engineering and construction projects for state-of-the-art energy, industrial and environmental systems and infrastructures.

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Owned by Equistone since 2019, alongside Sagard which entered the same year, as well as Initiative & Finance and Nixen present since 2013 and 2014, the group will be backed by a new pool of investors led by Ardian in 2024.