Askjell Tonstad is a private shareholder with an estimated portfolio value of NOK 1.6m. Askjell Tonstad holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 1.6m

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

Companies Askjell Tonstad owns

Company	Stake	Value (est.)
ATECHO AS	100.0%	NOK 1.6m

Roles

Styrets leder

3 selskaper

KNAUSANE UTVIKLING AS 997394259

ATECHO AS 927373769

AT HOLDING AS 996937003

Daglig leder

1 selskap

ATECHO AS 927373769

Innehaver

1 selskap

SIRDALSBÆR V/ASKJELL TONSTAD 981611470

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.