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

Companies Siw Carina Steiro owns

Company	Stake
UPGRADES BY STEIRO AS	100.0%

Roles

Daglig leder

1 selskap

UPGRADES BY STEIRO AS 933526224

Styrets leder

1 selskap

UPGRADES BY STEIRO AS 933526224

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.