Maarten Ingebretsen Onarheim is a private shareholder. Maarten Ingebretsen Onarheim holds stakes in 2 companies, and roles in several others.

Companies Maarten Ingebretsen Onarheim owns

Company	Stake
INGONA MONTASJE AS	100.0%
ING. S. ONARHEIM AS	3.9%

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 03.10.2026.