Siw Jorun Kristiansen is a private shareholder. Siw Jorun Kristiansen holds a stake in 1 company, and roles in several others.

Companies Siw Jorun Kristiansen owns

Company	Stake
ALTA MATTEUTLEIE AS	24.0%

Roles

Innehaver

1 selskap

STALL KRISTIANSEN 933323684

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.