Sonja Rykhus is a private shareholder. Sonja Rykhus holds a stake in 1 company, and roles in several others.

Companies Sonja Rykhus owns

Company	Stake
GRIMSA AS	50.0%

Roles

Daglig leder

2 selskaper

FINSEHYTTA DNT AS 929707222

GRIMSA AS 829538512

Styremedlem

1 selskap

GRIMSA AS 829538512

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.