UKCP - The United Kingdom Council for Psychotherapy 

BACP - British Association for Counselling and Psychotherapy

IEDTA  - International Experiential Dynamic Therapy Association

SGPC - Solent Group for Psychotherapists and Counsellors

BBC Health - Information and links on common mental health topics

RCP - Royal College of Psychiatrists information and links on common mental health topics

UPCA - Universities Psychotherapy and Counselling Association