Arnulf L'Orsa owns and operates Mågerø Verft AS. The marina was built in 1986 when Mågerø Verft was converted from a shipyard to a marina. The company Arnulf L'Orsa AS (shipping company/shipbrokers) was merged with Mågerø Verft in 2015 and the ship repair brokerage continues in the L'Orsa Shiprepair department.