Business and other management consultancy activities
THORSTEIN TROGSTAD
THORSTEIN TROGSTAD is registered as a sole proprietorship in Porsgrunn, Telemark with organisation number 935290317. The business is classified under business and other management consultancy activities (NACE 70.200).
Who owns THORSTEIN TROGSTAD?
No shareholders are registered for THORSTEIN TROGSTAD in open Norwegian sources. Shareholder data exists mainly for limited companies (AS/ASA).
Frequently asked questions about THORSTEIN TROGSTAD
Where is THORSTEIN TROGSTAD based?
THORSTEIN TROGSTAD has its business address in Porsgrunn.
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.