Marie Brummenæs Willumsen is a private shareholder. Marie Brummenæs Willumsen holds a stake in 1 company.

Companies Marie Brummenæs Willumsen owns

Company	Stake
BRUM HOLDING AS	33.0%

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