Martin Østern is a private shareholder. Martin Østern holds a stake in 1 company, and roles in several others.

Companies Martin Østern owns

Company	Stake
ARBOR BYGG AS	40.0%

Roles

Styremedlem

2 selskaper

HORTEN ADMIRALS 999235476

ARBOR BYGG AS 932518775

Forretningsfører

1 selskap

RUST KAPITAL AS 937700571

Styrets leder

1 selskap

RUST KAPITAL AS 937700571

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.