BAPCA keeps abreast of the development of the approach both in Europe and worldwide, through links with international organisations.
See below for some of the associations which are devoted to supporting and developing the PCA:-
World Association for Person-Centered and Experiential Psychotherapy and Counseling
Network of the European Associations for Person-Centred and Experiential Psychotherapy and Counselling
The Association for the Development of the Person-Centered Approach
APA - Humanistic Psychology
The Society for Humanistic Psychology - Division 32 / American Psychological Association