Halfdan Trøseid Mælum is a private shareholder. Halfdan Trøseid Mælum holds stakes in 2 companies, and roles in several others.

Companies Halfdan Trøseid Mælum owns

Company	Stake
HOF BO OG AKTIVITETSSENTER AS	3.2%
MENTOR MEDIER AS	0.0%

Roles

Innehaver

1 selskap

MÆLUM HALFDAN TRØSEID 869883492

Styrets leder

1 selskap

HOF FELLESLAGER AS 936612318

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.