Mads Tobekk Karlsen is a private shareholder. Mads Tobekk Karlsen holds a stake in 1 company.

Companies Mads Tobekk Karlsen owns

Company	Stake
B & J BYGG AS	33.0%

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.