Inger Marie Onstad is a private shareholder with an estimated portfolio value of NOK 578.2m. Inger Marie Onstad holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 578.2m

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

Companies Inger Marie Onstad owns

Company	Stake	Value (est.)
SIOLILL AS	35.0%	NOK 578.2m

Roles

Varamedlem

1 selskap

SIOLILL AS 992365781

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.