Stian Alexander Martinsen

Private shareholder 1715 YVEN NO

Stian Alexander Martinsen is a private shareholder with an estimated portfolio value of NOK 1.6m. Stian Alexander Martinsen holds stakes in 3 companies, and roles in several others.

Estimated portfolio value

NOK 1.6m

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

Companies Stian Alexander Martinsen owns

Company	Stake	Value (est.)
STIAN MARTINSEN AS	100.0%	NOK 44,000
SØLVBERGET INVEST AS	50.0%	NOK 1.5m
BORG BYGGSYSTEMER AS	33.0%	–

Roles

Styremedlem

7 selskaper

REGATTKLUBBEN I SARPSBORG 915067344

INVESTMA AS 928628116

DRONNINGENSGATE 39 AS 923306129

DRONNINGENSGATE 45 SARPSBORG AS 924713747

BORG BYGGSYSTEMER AS 993857866

SILHUETT EIENDOMSUTVIKLING AS 912053598

SØLVBERGET INVEST AS 813675382

Styrets leder

5 selskaper

STIAN MARTINSEN AS 928602907

FLUX EIENDOM AS 929415124

RISS + AS 825315152

RISS+ INVEST AS 927536927

SOLBYEN EIENDOM AS 924393858

Daglig leder

1 selskap

RISS + AS 825315152

Innehaver

1 selskap

STIAN ALEXANDER MARTINSEN 911798948

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

Former roles

SAMEIET MISSINGFJELLET 22 Styremedlem resigned

Roles the person has resigned from, or that have been deregistered

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.