Each route has its own leading body. For counselling it is the British Association for Counselling and Psychotherapy (BACP)
, for psychotherapy, it is the UK Council for Psychotherapy (UKCP)
, for CBT it is the British Association for Behavioural and Cognitive Psychotherapies (BABCP)
and for clinical or counselling psychology it is the British Psychological Society (BPS)
. Each of these bodies accredits courses so make sure to choose an accredited therapist.
Professional counsellor training takes three to five years and can be a diploma or degree level. Qualification requires a minimum number of client hours acquired through a work placement.
You may also want to ask for testimonials of their recent work. You could also look at their profile page on Bark and Bark can show you reviews from past customers who have used their therapy.