Jan-Arve Aalberg Mathisen is a private shareholder. Jan-Arve Aalberg Mathisen holds a stake in 1 company.

Companies Jan-Arve Aalberg Mathisen owns

Company	Stake
TROMEK PRODUKSJON AS	0.8%

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