Business and other management consultancy activities
LONG & OLSEN
LONG & OLSEN is registered as a sole proprietorship in Oslo, Oslo with organisation number 980117707. The business is classified under business and other management consultancy activities (NACE 70.200).
Who owns LONG & OLSEN?
No shareholders are registered for LONG & OLSEN in open Norwegian sources. Shareholder data exists mainly for limited companies (AS/ASA).
Frequently asked questions about LONG & OLSEN
Where is LONG & OLSEN based?
LONG & OLSEN has its business address in Oslo.
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.