Jon Mårdalen is a private shareholder. Jon Mårdalen holds stakes in 4 companies, and roles in several others.

Companies Jon Mårdalen owns

Company	Stake
TINN BIOENERGI AS	10.2%
ATRÅ BARN & FRITID AS	0.8%
Tinn Billag AS	0.7%
TINN HÅNDVERKSSENTER AS	0.1%

Roles

Innehaver

1 selskap

JON MÅRDALEN 969101262

Styremedlem

1 selskap

TINN BIOENERGI AS 988963151

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.