Based in Rueil-Malmaison, Ingérop is an engineering and consulting group working on major challenges to help build the world of tomorrow, starting today: sustainable mobility, energy transition and quality of life. Certified ISO 9001, ISO 14001, ISO 45001 and ISO 19443, the group has built a strong reputation across all areas of construction: buildings, water, energy, industry, infrastructure & mobility, transport and urban development.
Its experienced teams provide high-level technical support covering every stage of projects and worksites. A key player in France, Ingérop also has a strong and steadily growing international presence. The group continues its regular development, driven by its independent shareholding structure, technical expertise, capacity for innovation and close relationships with its clients.
Ingérop in key figures:
- 3,700 employees, including 2,400 in France
- €507 million in revenue in 2025
- 31% of revenue generated by projects located internationally
- Nearly 50 offices in France, organised into 6 operational divisions: 4 in the regions and 2 at the headquarters in Rueil-Malmaison
- More than 100 permanent locations worldwide, in France and internationally
- 7 business activities
