Tatiana Alexandra Thomassen is a private shareholder with an estimated portfolio value of NOK 3.4m. Tatiana Alexandra Thomassen holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 3.4m

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

Companies Tatiana Alexandra Thomassen owns

Company	Stake	Value (est.)
MILJØ ISOLERING AS	100.0%	–
ALTA SKIFERLEGGING NORD AS	100.0%	NOK 3.4m

Roles

Daglig leder

2 selskaper

ALTA SKIFERLEGGING NORD AS 990544603

ALTA SKIFERLEGGING NORD Thomassen 985643725

Styrets leder

2 selskaper

MILJØ ISOLERING AS 920139728

ALTA SKIFERLEGGING NORD AS 990544603

Innehaver

1 selskap

ALTA SKIFERLEGGING NORD Thomassen 985643725

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.