Steffen Tangen Gjerdbakken is a private shareholder. Steffen Tangen Gjerdbakken holds a stake in 1 company, and roles in several others.

Companies Steffen Tangen Gjerdbakken owns

Company	Stake
DURANTUM HOLDING AS	100.0%

Roles

Daglig leder

1 selskap

DURANTUM HOLDING AS 934495152

Styrets leder

1 selskap

DURANTUM HOLDING AS 934495152

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.