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

Companies Martin Siiri Halvorsen owns

Company	Stake
PARELIUS CO AS	100.0%

Roles

Styrets leder

2 selskaper

PARELIUS CO AS 921707916

OPTIMA TECHNOLOGIES AS 931823981

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.