Jonatan Georg Kjellberg is a private shareholder. Jonatan Georg Kjellberg holds stakes in 2 companies, and roles in several others.

Companies Jonatan Georg Kjellberg owns

Company	Stake
KJELLBERG HOLDING AS	100.0%
MK BYGG AS	50.0%

Roles

Styremedlem

2 selskaper

MK BYGG AS 991375236

GISKE MOTORSPORTKLUBB 912859274

Styrets leder

2 selskaper

KJELLBERG HOLDING AS 932253348

TAKST 24 AS 932542471

Daglig leder

1 selskap

MK BYGG AS 991375236

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.