Halvdan Steinert Nicolaysen is a private shareholder. Halvdan Steinert Nicolaysen holds stakes in 3 companies, and roles in several others.

Companies Halvdan Steinert Nicolaysen owns

Company	Stake
STEINERT SENSING SYSTEMS AS	100.0%
O3 SOLUTIONS AS	60.0%
CONFEX GROUP AS	8.4%

Roles

Styrets leder

2 selskaper

O3 SOLUTIONS AS 935324548

STEINERT SENSING SYSTEMS AS 988909440

Daglig leder

1 selskap

STEINERT SENSING SYSTEMS AS 988909440

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.