A2SEA provides offshore wind transport, installation and service solutions. The company has an important role in the offshore wind energy supply chain, installing more than 50% of the world’s total offshore wind turbine capacity. For this purpose A2SEA has five specialized vessels and a number of smaller crew boats. There are around 400 employees, of which 120 work in office settings, while the remainder are maritime staff. A2SEA is owned by DONG Energy, as the majority shareholder, together with Siemens Wind Power.