The maritime building, built in 1915 and designed by architect J. Hjorth, is one of Oslo's first purely commercial buildings. The building has undergone extensive rehabilitation and offers modern workplaces in a historic environment. The architectural design and the building's importance for Oslo's business life make it a remarkable example of early 20th century architecture.
The building has an open courtyard with a glass roof, which provides a bright and inviting environment. In addition, there is a canteen with large windows facing Rådhusgaten, as well as a large roof terrace that offers a view of the city. The maritime building is equipped with the necessary facilities, including toilets and a paternoster lift, which contribute to the functionality of the building.