Rolf Ivar Siem Østensen is a private shareholder. Rolf Ivar Siem Østensen har eierandeler i 1 selskap, og roller i flere selskaper.

Selskaper Rolf Ivar Siem Østensen eier

Company	Stake	Value (est.)
ARENANORWAY AS	10.0%	–

Roles

Varamedlem

1 selskap

ARENANORWAY AS 918364080

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 15.06.2026.