Stian Mellem Wiig is a private shareholder. Stian Mellem Wiig holds a stake in 1 company.

Companies Stian Mellem Wiig owns

Company	Stake
FOLLO VANN & VARME AS	20.0%

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