Maarten Ingebretsen Onarheim is a private shareholder with an estimated portfolio value of NOK 4.0m. Maarten Ingebretsen Onarheim holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 4.0m

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

Companies Maarten Ingebretsen Onarheim owns

Company	Stake	Value (est.)
INGONA MONTASJE AS	100.0%	NOK 3.7m
ING. S. ONARHEIM AS	3.9%	NOK 273,000

Roles

Daglig leder

1 selskap

INGONA MONTASJE AS 917568286

Styrets leder

1 selskap

INGONA MONTASJE AS 917568286

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.