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World champions in smooth-running projects

A2Sea provides offshore wind transport, installation and service solutions at a wide variety of locations. We specialise in providing the offshore wind industry with safer, sustainable, and more cost-efficient operations − through know-how, seamless integration of installation and service solutions, and quality of performance.

As a specialist in offshore wind, A2Sea A/S fulfills an important role in the offshore wind energy supply chain. To date, A2Sea has the lion’s share of this market, installing more than 1,700 of the world’s total offshore wind turbine capacity. We have two specialized installation vessels, and can be considered to be a combination of a shipowner and a project organisation. There are around 160 employees in total covering office staff and maritime staff at all levels.

A2Sea is owned by Belgian GeoSea and operates within complex marine engineering projects. GeoSea is owned by DEME Group, a world leader in highly specialised fields of dredging, marine engineering and environmental remediation.  A2Sea is headquartered in Fredericia, Denmark.

With over 1,700 turbines and 400 foundations of experience, we’re experts at making fast, well-informed decisions to ensure your project is delivered on time, on budget. Every time. You’ll find, too, that the earlier you involve us in your planning process, the smoother your entire process can be from start to finish.

Find out more about GeoSea and DEME Group.


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