Jan Tomas Norrby is a private shareholder with an estimated portfolio value of NOK 166,000. Jan Tomas Norrby holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 166,000

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

Companies Jan Tomas Norrby owns

Company	Stake	Value (est.)
ENERGY ADVISORY SERVICES AS	100.0%	NOK 166,000

Roles

Daglig leder

2 selskaper

ENERGY ADVISORY SERVICES AS 986652787

SIGMA DRILLING AS 991951458

Styremedlem

1 selskap

SIGMA DRILLING AS 991951458

Styrets leder

1 selskap

ENERGY ADVISORY SERVICES AS 986652787

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 15.06.2026.