About Us

The DORIS group is the international reference for delivering high quality engineering to the oil & gas and renewable markets.


We provide performance and cost driven solutions, from concept to decommissioning.


We have been pushing the boundaries with superior engineering for more than 50 years. With specialized engineers working together, we deliver all the engineering services that energy operators and contractors need to enable safer, faster and lower cost production.




The DORIS group develops and designs all parts of a field:


  • Subsea developments,
  • Fixed and floating platforms,
  • Topsides and substructures,
  • Onshore facilities,
  • Fixed and floating wind turbines, cables and transformer platforms.

Our organization allows a strong reactivity, mobilizing management and engineering teams in all required expertise, providing major CAPEX and OPEX optimizations, and reducing significantly technical, interface and planning risks.


Innovation is the passion of the entire DORIS team.


Our commitment to R&D has built us the position as one of the world’s leaders in advanced offshore and onshore technology. It gives us the ability to solve major challenges, and reveal more cost effective solutions for conventional developments.






World firsts


years of experience

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