The Health and Care Professions Council regulates health, psychological and social work professionals; you can check the register here!
The British Association of Art Therapists: promotes and gives information about art therapy.
The Samaritans: Available 24 hours a day to provide confidential emotional support for people who are experiencing feelings of distress, despair or suicidal thoughts
Mind: A national mental health charity, providing lots of information and tips
The website of the Mental Health Foundation and includes an A-Z of mental health problems
Young Minds is a UK-wide charity committed to improving the emotional wellbeing and mental health of children and young people.