Steinar Sondresen is a private shareholder. Steinar Sondresen holds stakes in 2 companies, and roles in several others.

Companies Steinar Sondresen owns

Company	Stake
TUEN VENTILASJON AS	56.0%
SONDRESEN EIENDOM AS	20.0%

Roles

Styrets leder

2 selskaper

TUEN VENTILASJON AS 984677588

SONDRESEN EIENDOM AS 918030662

Daglig leder

1 selskap

TUEN VENTILASJON AS 984677588

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.