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

Companies Siri Kristiansen owns

Company	Stake
ALTA MATTEUTLEIE AS	28.0%

Roles

Daglig leder

1 selskap

ALTA MATTEUTLEIE AS 993995584

Styrets leder

1 selskap

ALTA MATTEUTLEIE AS 993995584

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.