Hallgeir Øystein Tandstad is a private shareholder. Hallgeir Øystein Tandstad holds a stake in 1 company.

Companies Hallgeir Øystein Tandstad owns

Company	Stake
SYKKYLVEN STÅL AS	2.4%

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.