Idar Sivertsen is a private shareholder. Idar Sivertsen holds stakes in 2 companies, and roles in several others.

Companies Idar Sivertsen owns

Company	Stake
ISC AS	100.0%
T. BRISKEMYR AS	10.0%

Roles

Styremedlem

1 selskap

AUGUSTO HOLDING AS 827390992

Styrets leder

1 selskap

ISC AS 934386817

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.