- Therapeia Säätiö
- Suomen ryhmäpsykoterapiayhdistys
- Group Analysis
- The Institute of Group Analysis
- Group Analytic Society
- EGATIN – European Group Analytic Institutions Network
- IAGP – The International Association of Group Psychotherapy
- European Federation for Psychoanalytic Psychotherapy
- The European Association for Transcultural Group Analysis (EATGA)
- Organisaatiodynamiikka FINOD
- EFPP Finland
