Siv Kathrine Tessem is a private shareholder. Siv Kathrine Tessem holds a stake in 1 company.

Companies Siv Kathrine Tessem owns

Company	Stake
PLUSS RÅDGIVNING AS	7.5%

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