Roald Martin Gjone is a private shareholder. Roald Martin Gjone holds a stake in 1 company, and roles in several others.

Companies Roald Martin Gjone owns

Company	Stake
KATROMA INVEST AS	50.0%

Roles

Styrets leder

2 selskaper

KATROMA INVEST AS 934043243

SOMMERFELT ELEKTRO AS 934043340

Daglig leder

1 selskap

SOMMERFELT ELEKTRO AS 934043340

Innehaver

1 selskap

VESTBY GÅRD ROALD GJONE 924767383

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.