Leif Arne Tønnessen is a private shareholder with an estimated portfolio value of NOK 145,000. Leif Arne Tønnessen holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 145,000

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

Companies Leif Arne Tønnessen owns

Company	Stake	Value (est.)
STAMINA HOLDING AS	100.0%	NOK 23,000
CONCREST ENERGY AS	95.2%	NOK 121,000

Roles

Styrets leder

2 selskaper

CONCREST ENERGY AS 830673792

STAMINA HOLDING AS 935032792

Styremedlem

1 selskap

BOLAGHOLMEN BÅTFORENING 821678382

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.