Governing Bodies
- EATA (European Association of Transnational Analysis)
- Governing body for Transactional Analysis in Europe. See also the EATA organizational structure.
- ITA (Institute of Transactional Analysis)
- Governing body for psychotherapy and counselling Transactional Analysis in the United Kingdom. See also the ITA organisational structure.
- ITAA (International Transactional Analysis Association)
- Governing body for Transactional Analysis outside of Europe. See also its list of international governing bodies.
- ITDA (Institute of Developmental Transactional Analysis)
- UK body promoting the Organisational and Educational aspects of Transactional Analysis.
- Relational Transactional Analysis
- OK, this isn't a governing body per se, but it is the leading website for this perspective of Transactional Analysis.
- USATAA (United States of America Transnational Analysis Association)
- Association of practicing TA professionals in USA.
- WPTAA (Western Pacific Transactional Analysis Association)
- Association covering Australia, New Zealand and Singapore.