Dag Kostøl Wennesland is a private shareholder. Dag Kostøl Wennesland holds a stake in 1 company.

Companies Dag Kostøl Wennesland owns

Company	Stake
PSYKOLOG OSLO AS	100.0%

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