Joanna Antonsen is a private shareholder. Joanna Antonsen holds a stake in 1 company, and roles in several others.

Companies Joanna Antonsen owns

Company	Stake
DUO REGNSKAP AS	50.0%

Roles

Styrets leder

1 selskap

DUO REGNSKAP AS 833158252

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.