Ruben Arne Muilwijk is a private shareholder. Ruben Arne Muilwijk holds a stake in 1 company.

Companies Ruben Arne Muilwijk owns

Company	Stake
KLIMATJENESTER AS	5.5%

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