Barbara Janina Muzyk is a private shareholder. Barbara Janina Muzyk holds a stake in 1 company.

Companies Barbara Janina Muzyk owns

Company	Stake
EX PROFESSO - AUTORISERT REGNSKAPSBYRÅ AS	20.0%

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.