Activities of psychologists and psychotherapists, except medical doctors
JOHANNESSEN TESTRETT
JOHANNESSEN TESTRETT is registered as a sole proprietorship in Oslo, Oslo with organisation number 822056342. The business is classified under activities of psychologists and psychotherapists, except medical doctors (NACE 86.930).
Who owns JOHANNESSEN TESTRETT?
No shareholders are registered for JOHANNESSEN TESTRETT in open Norwegian sources. Shareholder data exists mainly for limited companies (AS/ASA).
Frequently asked questions about JOHANNESSEN TESTRETT
Where is JOHANNESSEN TESTRETT based?
JOHANNESSEN TESTRETT 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.