STEFFNER

STEFFNER is registered as a sole proprietorship in Oslo, Oslo with organisation number 979308493. The business is classified under arts creation activities in musical composition (NACE 90.112).

Former names: KJELL STEFFNER, ADVOKAT KJELL STEFFNER

Who owns STEFFNER?

No shareholders are registered for STEFFNER in open Norwegian sources. Shareholder data exists mainly for limited companies (AS/ASA).

Frequently asked questions about STEFFNER

Where is STEFFNER based?

STEFFNER has its business address in Oslo.

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.