Hallvard Thonstad is a private shareholder with an estimated portfolio value of NOK 8.6m. Hallvard Thonstad holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 8.6m

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

Companies Hallvard Thonstad owns

Company	Stake	Value (est.)
THONSTAD CONSULT AS	100.0%	NOK 8.3m

Roles

Styremedlem

2 selskaper

GUSTAV VIGELANDS VEI 4 923301070

DECON-X INTERNATIONAL AS 989730282

Styrets leder

2 selskaper

WIDENORTH AS 914135427

THONSTAD CONSULT AS 997097025

Daglig leder

1 selskap

THONSTAD CONSULT AS 997097025

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.