Part of being a professional clinical counsellor and psychotherapist is achieving a standard of ability and experience.
http://www.itsgoodtotalk.org.uk/therapists/in/d7c7b5/london-north/stoke-newington/ian-burton
One of these is my registered membership of the BACP (the British Association for Counselling & Psychotherapy). This means that I can choose to appear in their directory, which I decided to do a week or so ago.