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World champions in smooth-running projects

A2SEA provides offshore wind transport and installation 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 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 1,600 of the world’s total offshore wind turbine capacity. We have two specialised installation vessels and can be considered to be a combination of a shipowner and a project organisation. There are around 200 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 subsidiaries in Hamburg and London as well as site offices in the UK.

With over 1,600 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.


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