Mårten Gustav Fossum is a private shareholder with an estimated portfolio value of NOK 396,000. Mårten Gustav Fossum holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 396,000

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

Companies Mårten Gustav Fossum owns

Company	Stake	Value (est.)
R&F INVEST AS	50.0%	NOK 345,000

Roles

Styremedlem

3 selskaper

BIANCA EIENDOM AS 922750726

KLATREVERKET AS 990074089

THERMO AS 965018441

Styrets leder

2 selskaper

R&F INVEST AS 998602661

VINTØNNA AS 923707891

Forretningsfører

1 selskap

INCLIMA AS 919710748

Varamedlem

1 selskap

M&R INVEST AS 899051122

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.