Karl Petter Aarthun is a private shareholder. Karl Petter Aarthun holds stakes in 3 companies, and roles in several others.

Companies Karl Petter Aarthun owns

Company	Stake
AAR-INVEST AS	100.0%
BYRE HYTTESERVICE AS	1.5%
CUBERA PRIVATE EQUITY 2021 INVEST AS	0.1%

Roles

Styrets leder

2 selskaper

AAR-INVEST AS 924500662

EILUS HOLDING AS 919713844

Styremedlem

1 selskap

DJUPEVIK FELLESBRYGGE SAMEIE 923814310

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.