A BBC Investigation shows that in practise there is little or nothing to stop an unqualified individual from calling themselves a therapist or a counsellor.
https://www.bbc.co.uk/news/av/uk-51273607/can-anyone-call-themself-a-therapist-or-a-counsellor
A sequel to the above video, entitled ‘Anyone Can Call Themselves a Therapist’, has also been published on the BBC website at: https://www.bbc.co.uk/programmes/p07wx9hw (sign-in required).