Joanna Barbara Czarnecka is a private shareholder. Joanna Barbara Czarnecka holds stakes in 4 companies, and roles in several others.

Companies Joanna Barbara Czarnecka owns

Company	Stake
KELOISA RENHOLD AS	100.0%
PSS RØRLEGGERSERVICE AS	100.0%
HAKADAL REGNSKAPSBYRÅ AS	100.0%
KERA ISOLERING AS	50.0%

Roles

Daglig leder

3 selskaper

PSS RØRLEGGERSERVICE AS 933259390

KELOISA RENHOLD AS 823487932

HAKADAL REGNSKAPSBYRÅ AS 929241274

Styrets leder

3 selskaper

PSS RØRLEGGERSERVICE AS 933259390

KELOISA RENHOLD AS 823487932

HAKADAL REGNSKAPSBYRÅ AS 929241274

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.