Hasan Hüseyin Karaduman is a private shareholder with an estimated portfolio value of NOK 4.7m. Hasan Hüseyin Karaduman holds stakes in 3 companies, and roles in several others.

Estimated portfolio value

NOK 4.7m

The sum of estimated values across all known holdings in Norwegian AS/ASA companies

Companies Hasan Hüseyin Karaduman owns

Company	Stake	Value (est.)
RETT BYGGETJENESTER AS	100.0%	NOK 4.6m
FLIPP VVS AS	50.0%	–
FLIPP EIENDOMSTJENESTER AS	25.0%	NOK 115,000

Roles

Daglig leder

2 selskaper

RETT BYGGETJENESTER AS 926933221

FLIPP VVS AS 836919572

Styrets leder

1 selskap

RETT BYGGETJENESTER AS 926933221

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.