Jan Bjørnsen is a private shareholder. Jan Bjørnsen holds a stake in 1 company, and roles in several others.

Companies Jan Bjørnsen owns

Company	Stake
JB INVEST AS	100.0%

Roles

Daglig leder

2 selskaper

JB INVEST AS 989291556

ROGALAND MONTASJE BYGG AS 892581002

Styrets leder

2 selskaper

JB INVEST AS 989291556

ROGALAND MONTASJE BYGG AS 892581002

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.