Harry Stefan Antonsen is a private shareholder. Harry Stefan Antonsen holds stakes in 2 companies, and roles in several others.

Companies Harry Stefan Antonsen owns

Company	Stake
STUA INTERIØR AS	100.0%
ROSTAN HOLDING AS	67.7%

Roles

Daglig leder

3 selskaper

ROSTAN HOLDING AS 925160059

STUA INTERIØR AS 951824526

NYGAARDSGATEN 23-27 AS 925260339

Styrets leder

3 selskaper

ROSTAN HOLDING AS 925160059

STUA INTERIØR AS 951824526

NYGAARDSGATEN 23-27 AS 925260339

Styremedlem

2 selskaper

BOTEX ENGROS AS 928049388

ODD FELLOW LOGE 95 ISEGRAN 988932248

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.