Steinar Sondresen is a private shareholder with an estimated portfolio value of NOK 4.3m. Steinar Sondresen holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 4.3m

The sum of estimated values across all known holdings in Norwegian AS/ASA companies

Companies Steinar Sondresen owns

Company	Stake	Value (est.)
TUEN VENTILASJON AS	56.0%	NOK 3.5m
SONDRESEN EIENDOM AS	20.0%	NOK 838,000

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 02.09.2026.