Jon Erling Østreng is a private shareholder. Jon Erling Østreng holds stakes in 2 companies, and roles in several others.

Companies Jon Erling Østreng owns

Company	Stake
ETH CONSULT AS	100.0%
FREESEATING AS	8.0%

Roles

Daglig leder

2 selskaper

FREESEATING AS 927626764

ETH CONSULT AS 928487814

Innehaver

1 selskap

JON ERLING ØSTRENG 929192478

Styremedlem

1 selskap

FREESEATING AS 927626764

Styrets leder

1 selskap

ETH CONSULT AS 928487814

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.