Siv Merethe Mårtensson is a private shareholder. Siv Merethe Mårtensson holds a stake in 1 company, and roles in several others.

Companies Siv Merethe Mårtensson owns

Company	Stake
AMISO AS	49.0%

Roles

Styremedlem

1 selskap

AMISO AS 933569071

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.