Ewa Monika Sowinska is a private shareholder. Ewa Monika Sowinska holds a stake in 1 company.

Companies Ewa Monika Sowinska owns

Company	Stake
GROUTING SERVICE AS	30.0%

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