Sigurdur Adalgeirsson is a private shareholder. Sigurdur Adalgeirsson holds a stake in 1 company, and roles in several others.

Companies Sigurdur Adalgeirsson owns

Company	Stake
MR. ISLAND AS	100.0%

Roles

Styrets leder

2 selskaper

ADAL AUTO SERVICE AS 837537312

MR. ISLAND AS 925231932

Daglig leder

1 selskap

ADAL AUTO SERVICE AS 837537312

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.