Magnar Byberg is a private shareholder. Magnar Byberg holds stakes in 2 companies, and roles in several others.

Companies Magnar Byberg owns

Company	Stake
DUPLOSTAG AS	48.0%
JÆREN SPAREBANK	0.0%

Roles

Daglig leder

3 selskaper

BYBERG KLEPP AS 991373462

BYBERG AS 991358919

DUPLOSTAG AS 991359192

Styremedlem

2 selskaper

BYBERG KLEPP AS 991373462

BYBERG AS 991358919

Innehaver

1 selskap

BYBERG MAGNAR 969241641

Styrets leder

1 selskap

DUPLOSTAG AS 991359192

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.