Øystein Kristoffersen is a private shareholder. Øystein Kristoffersen holds a stake in 1 company, and roles in several others.

Companies Øystein Kristoffersen owns

Company	Stake
VENTILASJONSTJENESTEN AS	18.8%

Roles

Daglig leder

1 selskap

VENTILASJONSTJENESTEN AS 927089246

Styremedlem

1 selskap

VENTILASJONSTJENESTEN AS 927089246

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

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