Hallgeir Alvestad is a private shareholder. Hallgeir Alvestad holds stakes in 2 companies, and roles in several others.

Companies Hallgeir Alvestad owns

Company	Stake
ISAA HOLDING AS	100.0%
STRANDGATA 30 EIENDOM SORTLAND AS	50.0%

Roles

Styremedlem

1 selskap

STRANDGATA 30 EIENDOM SORTLAND AS 989410164

Styrets leder

1 selskap

ISAA HOLDING AS 919759461

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.