Websites that you may find useful:
UK Council for Psychotherapy - UKCP
Hampshire Association for Counselling and Psychotherapy - HACP
International Association of Relational Transactional Analysists - IARTA
UK Association for Transactional Analysis - UKATA
The Couples Institute
The Counselling Directory
Psychologies Life Labs
Interesting articles and videos:
Brene Brown - Vulnerability researcher
Brené Brown studies vulnerability, courage, authenticity, and shame.
Esther Perel - Relationship therapist
Psychotherapist Esther Perel is changing the conversation on what it means to be in love and have a fulfilling sex life.
Stan Tatkin - Relationship therapist
Stan takes a psychobiological approach to couples therapy. His work is based on neuroscience, attachment theory and emotional regulation.