John Halvor Madsen is a private shareholder. John Halvor Madsen holds stakes in 2 companies, and roles in several others.

Companies John Halvor Madsen owns

Company	Stake
MADSEN SLIP OG SERVICE AS	100.0%
ØVERLANDSHEIA AS	25.0%

Roles

Styremedlem

3 selskaper

NISSEDAL JEGER- OG FISKARLAG 994712772

ØVERLANDSHEIA AS 997047400

KVARVÅSEN AS 923125531

Daglig leder

2 selskaper

MADSEN SLIP OG SERVICE AS 926768360

ØVERLANDSHEIA AS 997047400

Innehaver

1 selskap

JOHN HALVOR MADSEN 933982246

Styrets leder

1 selskap

MADSEN SLIP OG SERVICE AS 926768360

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.