Child welfare services
SIW TØNNESSEN
SIW TØNNESSEN is registered as a sole proprietorship in Oslo, Oslo with organisation number 919950250. The business is classified under child welfare services (NACE 88.991).
Who owns SIW TØNNESSEN?
No shareholders are registered for SIW TØNNESSEN in open Norwegian sources. Shareholder data exists mainly for limited companies (AS/ASA).
Frequently asked questions about SIW TØNNESSEN
Where is SIW TØNNESSEN based?
SIW TØNNESSEN 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.