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

Companies Thomas Halvorsen owns

Company	Stake
DDR HOLDING AS	50.0%

Roles

Styrets leder

3 selskaper

DDR HOLDING AS 926908294

KEYSTONE PROPERTY GROUP AS 934381726

DRAMMEN VERKTØYINDUSTRI AS 995525917

Daglig leder

2 selskaper

DDR FORVALTNING AS 828471732

DITT DIGITALE REGNSKAPSKONTOR AS 925174149

Styremedlem

2 selskaper

DDR FORVALTNING AS 828471732

KARLSVOGNA AS 935338638

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.