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

Companies Mathias Halvorsen owns

Company	Stake
HM-SERVICE AS	100.0%

Roles

Daglig leder

1 selskap

HM-SERVICE AS 933119319

Styrets leder

1 selskap

HM-SERVICE AS 933119319

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.