Krzysztof Jan Gruszkowski is a private shareholder. Krzysztof Jan Gruszkowski holds a stake in 1 company, and roles in several others.

Companies Krzysztof Jan Gruszkowski owns

Company	Stake
TOTEN BYGG SERVICE AS	49.0%

Roles

Innehaver

1 selskap

GRUSZKOWSKI BYGGTJENESTER 937074956

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.