Gisle Halvorsen is a private shareholder. Gisle Halvorsen holds stakes in 2 companies, and roles in several others.

Companies Gisle Halvorsen owns

Company	Stake	Value (est.)
AD ASTRA TELEMARK AS	33.3%	–
UNIVERSAL INVEST AS	7.3%	–

Roles

Styrets leder

2 selskaper

BRUKTEN TELEMARK 931042289

AD ASTRA TELEMARK AS 929212169

Styremedlem

1 selskap

UNIVERSAL INVEST AS 990404755

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.