Birgitte Mathisen Strømnes is a private shareholder. Birgitte Mathisen Strømnes holds a stake in 1 company.

Companies Birgitte Mathisen Strømnes owns

Company	Stake
RAGNAR HOLDING AS	30.0%

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