Sigve Tjessem is a private shareholder. Sigve Tjessem holds stakes in 2 companies.

Companies Sigve Tjessem owns

Company	Stake
SYNCCARE AS	4.0%
ALU REHAB INVEST AS	0.3%

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