OSKAR BIRGER JOHAN JOHANSEN is a private shareholder. OSKAR BIRGER JOHAN JOHANSEN har eierandeler i 1 selskap.

Selskaper OSKAR BIRGER JOHAN JOHANSEN eier

Company	Stake	Value (est.)
ATELIER GRØSTAD ARKITEKTUR AS	1.2%	–

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.