Kjartan Byberg is a private shareholder. Kjartan Byberg holds a stake in 1 company, and roles in several others.

Companies Kjartan Byberg owns

Company	Stake
IKB AS	100.0%

Roles

Styremedlem

1 selskap

SINUS HOLDING AS 911898993

Styrets leder

1 selskap

IKB AS 921683081

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.