Marit Signe Kjeilen is a private shareholder. Marit Signe Kjeilen holds a stake in 1 company.

Companies Marit Signe Kjeilen owns

Company	Stake
MONGSTAD SERVICE AS	8.3%

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