Business and other management consultancy activities
JANSEN
JANSEN is registered as a sole proprietorship in Oslo, Oslo with organisation number 930860093. The business is classified under business and other management consultancy activities (NACE 70.200).
Who owns JANSEN?
No shareholders are registered for JANSEN in open Norwegian sources. Shareholder data exists mainly for limited companies (AS/ASA).
Frequently asked questions about JANSEN
Where is JANSEN based?
JANSEN 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.