John Kristian Martinsen is a private shareholder with an estimated portfolio value of NOK 521,000. John Kristian Martinsen holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 521,000

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

Companies John Kristian Martinsen owns

Company	Stake	Value (est.)
JOHN MARTINSEN BYGG AS	20.0%	NOK 521,000

Roles

Daglig leder

2 selskaper

JOHN MARTINSEN BYGG AS 981882288

BELUMA EIENDOM AS 929287967

Styremedlem

1 selskap

SAMEIE GJERSTAD GRUNNEIERLAG 992699000

Styrets leder

1 selskap

JOHN MARTINSEN BYGG AS 981882288

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.