Jon Haugsland Kolstø is a private shareholder. Jon Haugsland Kolstø holds a stake in 1 company, and roles in several others.

Companies Jon Haugsland Kolstø owns

Company	Stake
BLANKENBORG HOLDING AS	10.9%

Roles

Styremedlem

2 selskaper

EL&IT KLUBBEN RYFYLKE ELEKTRO 822666752

BLANKENBORG HOLDING AS 929355113

Daglig leder

1 selskap

RYFYLKE ELEKTRO AS 987814136

Innehaver

1 selskap

KOLSTØ LANDBRUK 927934671

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.