Ivar Tønnessen is a private shareholder with an estimated portfolio value of NOK 1.4m. Ivar Tønnessen holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 1.4m

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

Companies Ivar Tønnessen owns

Company	Stake	Value (est.)
KLIMAANLEGG AS	100.0%	NOK 1.2m
NEOTECHNOLOGY AS	0.6%	NOK 6,000

Roles

Daglig leder

1 selskap

KLIMAANLEGG AS 927377810

Styrets leder

1 selskap

KLIMAANLEGG AS 927377810

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.