Karen Sofie Tangstad is a private shareholder. Karen Sofie Tangstad holds a stake in 1 company.

Companies Karen Sofie Tangstad owns

Company	Stake
ARKITEKTFIRMA JON VIKØREN AS	14.0%

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