Jan Arnulf Berg Grefstad is a private shareholder. Jan Arnulf Berg Grefstad holds stakes in 3 companies, and roles in several others.

Companies Jan Arnulf Berg Grefstad owns

Company	Stake
JABG HOLDING AS	100.0%
CUBERA PRIVATE EQUITY 2021 INVEST AS	0.0%
SWISS LIFE REF NORDIC 2020 INVEST AS	0.0%

Roles

Daglig leder

3 selskaper

MATERIALHANDELEN AS 925622877

JABG HOLDING AS 924051892

MATERIALHANDELEN EIENDOM AS 925623636

Styremedlem

2 selskaper

NOR COMPANIET AS 976889754

MATERIALHANDELEN EIENDOM AS 925623636

Styrets leder

2 selskaper

MATERIALHANDELEN AS 925622877

JABG HOLDING AS 924051892

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.