Øystein Halvorseth is a private shareholder. Øystein Halvorseth holds stakes in 2 companies, and roles in several others.

Companies Øystein Halvorseth owns

Company	Stake
ING EINAR CHR HALVORSETH AS	100.0%
ONCOINVENT ASA	0.0%

Roles

Styrets leder

2 selskaper

ING EINAR CHR HALVORSETH AS 948356031

SAMEIET NORDBERGVEIEN 43 999294278

Daglig leder

1 selskap

ING EINAR CHR HALVORSETH AS 948356031

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.