Ida Hermine Fossum Sønju is a private shareholder with an estimated portfolio value of NOK 37.6m. Ida Hermine Fossum Sønju holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 37.6m

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

Companies Ida Hermine Fossum Sønju owns

Company	Stake	Value (est.)
HERMIDA AS	100.0%	NOK 37.6m
LYN 1896 AS	0.0%	NOK 2,000

Roles

Styremedlem

4 selskaper

HENISON AS 926148664

SONAS AS 926148699

AKSJON NÆRMILJØ ULLERNCHAUSSÉEN 995350637

BALVI AS 926148710

Styrets leder

2 selskaper

HERMIDA AS 926148761

HERMUS AS 925132047

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.