One of the world’s largest marine construction companies
From its core activities, dredging and civil works on water, the DEME group has developed complementary 'offshore' activities in renewable energy, oil and gas, and soil and sludge remediation, and the extraction of aggregates and minerals.
Included in the investment portfolio since 1876
(Ackermans & van Haaren > Dredging International > DEME)
62.12 %
Beneficial interest AvH
Key financial highlights
€ 4,155
million
Turnover 2025
€ 346
million
Net result 2025
€ 7,591
million
Order backlog 2025
5,922
headcount
Employees 2025
Press releases from the segment
View AllMarine Engineering & Contracting
DEME - GSR signs MoU with Japanese DORD to conduct joint demonstration test in the Clarion-Clipperton zone
Marine Engineering & Contracting
DEME celebrates the naming of its next-generation wind turbine installation vessel, Norse Wind
Marine Engineering & Contracting