Jon Mårdalen is a private shareholder with an estimated portfolio value of NOK 547,000. Jon Mårdalen holds stakes in 4 companies, and roles in several others.

Estimated portfolio value

NOK 547,000

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

Companies Jon Mårdalen owns

Company	Stake	Value (est.)
TINN BIOENERGI AS	10.2%	NOK 419,000
ATRÅ BARN & FRITID AS	0.8%	NOK 10,000
Tinn Billag AS	0.7%	NOK 117,000
TINN HÅNDVERKSSENTER AS	0.1%	NOK 974

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 02.09.2026.