Tonje Madeleine Karlsvik is a private shareholder. Tonje Madeleine Karlsvik holds a stake in 1 company, and roles in several others.

Companies Tonje Madeleine Karlsvik owns

Company	Stake
A3T INVEST AS	10.0%

Roles

Styremedlem

1 selskap

A3T INVEST AS 992358750

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.