Coalition of Handwriting Analysts International
- Uniting the handwriting disciplines of the world. CHAI is open to anyone interested in handwriting and handwriting analysis.
- http://chaiusa.org

American Handwriting Analysis Foundation
- AHAF offers public information, conferences, professional graphological publications, certification and continuing education for members. Handwriting expert listings of members around the country and internationally.
- http://www.handwritingfoundation.org

British Institute of Graphologists
- A meeting place for graphologists, tuition, series of examinations leading to diploma (MBIG), wide range of graphological applications, monthly lectures, international symposium in Oxford September 1999, library and full book service.
- http://www.britishgraphology.org

American Association of Handwriting Analysts
- Non-profit organization that promotes handwriting analysis, recommends schools of study, and is one of the few qualified organizations to certify handwriting analysts.
- http://www.handwriting.org/aaha