Dredging, marine infrastructure and offshore-energy contractor

DEME Group

DEME trailing suction hopper dredger Bonny River sailing toward an offshore wind farm

DEME Group

DEME is a Belgian-listed marine engineering group organized across Offshore Energy, Dredging & Infra, Environmental and Concessions.

Organization overview

Dredging, marine infrastructure and offshore-energy contractor

Geographic footprint: Global, including Europe, Asia Pacific, Middle East, Africa, and Americas. Core marine roles: Marine contractor, Dredging contractor, Reclamation contractor, and Port and marine infrastructure contractor.

Project records 10 Last reviewed 14 August 2026

Type

Dredging, marine infrastructure and offshore-energy contractor

Active regions

Global, Europe, Asia Pacific, Middle East, Africa, Americas

Marine works roles

Marine contractor, Dredging contractor, Reclamation contractor, Port and marine infrastructure contractor, Coastal protection contractor, Offshore foundation installation contractor, Subsea cable installation contractor, Environmental remediation contractor, Port and offshore-energy concession developer, Marine aggregates contractor, Dredging-fleet owner and capital investor

Role in marine infrastructure

DEME is a Belgian-listed marine engineering group organized across Offshore Energy, Dredging & Infra, Environmental and Concessions. Its 2025 annual report records nearly 6,000 employees, more than 100 vessels, experience in over 90 countries, EUR 4.2 billion of turnover and a EUR 7.6 billion order book. The fleet includes more than 50 specialized dredging vessels and more than 20 offshore-energy vessels. Dredging & Infra covers capital and maintenance dredging, reclamation, coastal protection, port and waterway structures and marine civil works; Environmental covers soil, sediment and water treatment; Concessions invests in selected wind, port-infrastructure and green-hydrogen projects. Each linked project separately distinguishes enduring group capability from contract award, vessel assignment, construction progress and accepted outcome.

Related records 10

Sources used 10

Source collections