Our subsidiaries


Kraken Subsea

Specialized in Marine Renewable Energy System, KSS teams are expert for the execution of complex Offshore wind projects, design studies and innovative submarine installation works.



Aventa Tecnoconsult has been providing services for around thirty years to key players in the energy sectors. Covering every stage of project development from conceptual studies to detailed engineering, A&T offers its clients global project support while guaranteeing a high level of service.



AVVIA is part of the Aventa Group, leader in Technical Assistance in the Energy sector. As a talent directory specializing in Renewable Energies and the Environment, we put our skills at our customers’ disposal, in France and internationally, in offices and on construction sites.