Kolbjørn Adolfsen is a private shareholder. Kolbjørn Adolfsen holds a stake in 1 company.

Companies Kolbjørn Adolfsen owns

Company	Stake
EFFEKT RENHOLD AS	10.0%

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