HALVOR SØREN MARSTRANDER is a private shareholder with an estimated portfolio value of NOK 8.5m. HALVOR SØREN MARSTRANDER har eierandeler i 3 selskaper, og roller i flere selskaper.

Estimated portfolio value

NOK 8.5m

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

Selskaper HALVOR SØREN MARSTRANDER eier

Company	Stake	Value (est.)
G4 INVEST AS	50.0%	NOK 133,000
ISOLA HOLDING AS	7.5%	NOK 8.4m
LABELI AS	3.2%	–

Roles

Styrets leder

1 selskap

G4 INVEST AS 927316587

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 15.06.2026.