Jan-Olof Hallenberg is a private shareholder with an estimated portfolio value of NOK 27. Jan-Olof Hallenberg holds stakes in 2 companies.

Estimated portfolio value

NOK 27

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

Companies Jan-Olof Hallenberg owns

Company	Stake	Value (est.)
RABATTAVTALE NORGE AS	33.3%	NOK 27
KONTOREKSPERTEN AS	33.3%	–

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.