Torbjørn Sønnerheim is a private shareholder. Torbjørn Sønnerheim holds stakes in 2 companies, and roles in several others.

Companies Torbjørn Sønnerheim owns

Company	Stake
FOSSHAGA AS	100.0%
BRØDRENE SØNNERHEIM AS	50.0%

Roles

Styrets leder

2 selskaper

AQUASYS ANS 977043662

FOSSHAGA AS 912343022

Daglig leder

1 selskap

BRØDRENE SØNNERHEIM AS 957771556

Deltaker med fullt ansvar

1 selskap

AQUASYS ANS 977043662

Styremedlem

1 selskap

BRØDRENE SØNNERHEIM AS 957771556

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.