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

Companies Steffen Mathiassen owns

Company	Stake
KIVIJOKI INVEST AS	100.0%

Roles

Daglig leder

3 selskaper

KIVIJOKI EIENDOM AS 825656332

KIVIJOKI INVEST AS 825564462

KIVIJOKI AS 926376624

Styrets leder

3 selskaper

KIVIJOKI EIENDOM AS 825656332

KIVIJOKI INVEST AS 825564462

KIVIJOKI AS 926376624

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.