Siw Marian Frostrud is a private shareholder. Siw Marian Frostrud holds a stake in 1 company, and roles in several others.

Companies Siw Marian Frostrud owns

Company	Stake
ESS RÅDGIVNING AS	100.0%

Roles

Daglig leder

1 selskap

ESS RÅDGIVNING AS 836788672

Styremedlem

1 selskap

LILLESTRØMKAMERATENE IL 932996170

Styrets leder

1 selskap

ESS RÅDGIVNING AS 836788672

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.