APA is the leading scientific and professional organization representing psychology in the United States, with more than 121,000 researchers, educators, clinicians, consultants and students as its members.

The British Association for Counselling and Psychotherapy is a registered charity providing services to members, commissioning research or campaigning.

The Health and Care Professions Council is a statutory regulator of over 280,000 professionals from 15 health and care professions in the United Kingdom.