Jan Gunnar Madsen is a private shareholder with an estimated portfolio value of NOK 160,000. Jan Gunnar Madsen holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 160,000

The sum of estimated values across all known holdings in Norwegian AS/ASA companies

Companies Jan Gunnar Madsen owns

Company	Stake	Value (est.)
BYGG OG TJENESTER AS	100.0%	NOK 160,000

Roles

Daglig leder

2 selskaper

BYGG OG TJENESTER AS 936428746

NORSKE MURMESTRES LANDSFORENING 971273755

Styremedlem

1 selskap

BLIMESTER.COM 815802152

Styrets leder

1 selskap

BYGG OG TJENESTER AS 936428746

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 02.09.2026.