Karl Andreas Berteussen is a private shareholder with an estimated portfolio value of NOK 2.9m. Karl Andreas Berteussen holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 2.9m

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

Companies Karl Andreas Berteussen owns

Company	Stake	Value (est.)
GFF AS	50.0%	NOK 2.9m
IMPACT TECHNOLOGY SYSTEMS AS	0.1%	NOK 7,000

Roles

Styrets leder

2 selskaper

PERMEABILITY DIAGNOSTIC SERVICES 916866860

GFF AS 993349658

Daglig leder

1 selskap

GFF AS 993349658

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 25.08.2026.