NorSea provides supply bases and integrated logistics solutions to the offshore and renewables industries. Wilhelmsen owns 99%.

Edda Wind is a provider of purpose-built Commissioning and Service Operation Vessels to the global offshore wind market. Wilhelmsen owns 25%.

Topeka is a zero-emission shipping company working towards decarbonising the maritime industry. Wilhelmsen owns 100%.

Massterly is the world's first dedicated company operating autonomous vessels. A joint venture between Wilhelmsen and Kongsberg Maritime with 50% each.

Raa Labs is a digital services provider using data to optimise vessel operations. Wilhelmsen owns 100%.

Nordlys Studio creates more sustainable industrial operations with new technologies.

Loke Marine Minerals is a leading marine mineral exploration and production company. Wilhelmsen owns 18%.

Ventyr is a partnership between NorSea and Parkwind, pursuing offshore wind development licenses in Norwegian coastal waters.

NorSea subsidiary company Windworks Jelsa is planning to build a unique floating wind turbine production site on the west coast of Norway.

Reach Subsea is a full-service provider of subsea operations using cutting edge technology and low-emission solutions, notably towards offshore windmills. Wilhelmsen owns 21%.

NorSea subsidiary company Elevon does project logistics for the global wind industry.

NorSea subsidiary company Konciv is a cloud native software company that enables efficiency and transparency in complex operations and logistics for heavy asset industries.

Blåse Energy is a consortium of five companies aiming to develop offshore wind energy in Norway. The five companies include Wilhelmsen owned NorSea alongside Belgian company Parkwind, Danish company Copenhagen Infrastructure Partners (CIP), and Norwegian companies Varanger Kraft and Hammerfest Energi.