Mia Berthinussen is a private shareholder. Mia Berthinussen holds a stake in 1 company, and roles in several others.

Companies Mia Berthinussen owns

Company	Stake
B155 HOLDING AS	50.0%

Roles

Styremedlem

1 selskap

B155 HOLDING AS 932864193

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.