Mariusz Olewinski is a private shareholder. Mariusz Olewinski holds a stake in 1 company, and roles in several others.

Companies Mariusz Olewinski owns

Company	Stake
INEFFABLE AS	100.0%

Roles

Daglig leder

1 selskap

INEFFABLE AS 925153486

Innehaver

1 selskap

POLBYGG Mariusz Olewinski 987172223

Styrets leder

1 selskap

INEFFABLE AS 925153486

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.