Over DEC


DEME Environmental Contractors (DEC) is an international environmental contractor. DEC is specialised in soil and groundwater remediation, sediment treatment, hydraulic engineering, recycling techniques, capping and remediation of landfills, waterworks, environmental dredging and the redevelopment of brownfield sites.


DEC’s Research & Development Department and its extensive Technical Department enable DEC to work continuously on improving solutions for customers and to fine-tune design and building techniques.

Thanks to its multidisciplinary teams, DEC can offer services to assist with a full range of projects: from straightforward remediation projects to long-term design, build, maintenance and finance contracts.



DEC provides technical, engineering and operational support for clients in the oil & gas industry, mining and quarry industries, metallurgy, government agencies, general contracting companies, project developers and waste-processing companies and boasts more than 20 years of experience.

DEC has opened a number of dedicated soil and sediment recycling centres, both in Belgium and abroad.


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