DEME Offshore is a leading provider of services and solutions for the offshore energy industry and has a strong track record spanning decades.

The new company encompasses our renowned subsidiaries GeoSea, Tideway, A2Sea and EverSea. Integrating these well-respected, pioneering companies into DEME Offshore provides our customers with a comprehensive offering of solutions, services and equipment. 

DEME Offshore is an agile organisation able to offer customers flexible, innovative solutions in both the oil & gas sector and in renewables. We have the skills, technology and a high-tech fleet of vessels able to perform in the most challenging marine environments. Always working closely with our customers, we understand what it takes to deliver a project cost-effectively, safely and on time.

For our renewables customers, we offer a broad portfolio of services including foundation, turbine and substation Transport & Installation, cable laying, Operations & Maintenance activities, as well as full Engineering, Procurement, Construction and Installation (EPCI) and Balance of Plant contracts. For oil & gas and other offshore customers, services include landfalls and offshore civil works, rock placement, heavy lift, subsea construction, umbilical laying and the installation and decommissioning of offshore platforms. We also provide the offshore energy industry with geoscience expertise to help our customers successfully realise their projects from start to finish.


Some of our cases

Sorted brands

Do you have a question about our activities?