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

Companies Jan Martinsen owns

Company	Stake
JAN MARTHINSEN HOLDING AS	100.0%

Roles

Daglig leder

2 selskaper

J.M BYGG MONTASJE AS 924567260

JAN MARTHINSEN HOLDING AS 889183942

Styremedlem

2 selskaper

J.M BYGG MONTASJE AS 924567260

JAN MARTHINSEN HOLDING AS 889183942

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.