Stein Mohn is a private shareholder. Stein Mohn holds stakes in 5 companies, and roles in several others.

Companies Stein Mohn owns

Company	Stake
STAS AS	100.0%
SIRA PSV AS	87.5%
MOHN TECHNOLOGY AS	44.9%
MOHN DRILLING AS	19.0%
NORDSJØ AS	2.3%

Roles

Styrets leder

3 selskaper

MOHN TECHNOLOGY AS 877390462

STAS AS 927376792

SIRA PSV AS 957075770

Daglig leder

2 selskaper

STAS AS 927376792

SIRA PSV AS 957075770

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.