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

Companies Joanna Dorota Zylka owns

Company	Stake
JTH TJENESTER AS	50.0%

Roles

Styremedlem

1 selskap

JTH TJENESTER AS 920202357

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.