With headquarters in Oslo, the company manages 740,000 square metres (8,000,000 sq ft) of space.

The present name change came as a result of the management being insourced back to the corporation in 2006.

In 2007, NSB Eiendom, which owned operational real estate, was merged into Rom.

Within the portfolio of Rom are large sections of the real estate at Bjørvika in Oslo and Brattøra in Trondheim, both part of the ports in the cities, which are being transformed through urban redevelopment projects.

[1] On May 2, 2017, the ownership of Rom Eiendom was transferred to Bane NOR as part of a national rail reform plan, and the company was rebranded as Bane NOR Eiendom.