Jostein Gundersen is a private shareholder. Jostein Gundersen holds a stake in 1 company, and roles in several others.

Companies Jostein Gundersen owns

Company	Stake
HARTMANN ARKITEKTER AS	20.0%

Roles

Styrets leder

1 selskap

HARTMANN ARKITEKTER AS 987593091

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.