Leanne Sumnall is a psychodynamic and relational psychotherapist, author, Clinical Supervisor and founder of Maze Counselling Services, offering private psychological consultancy for individuals and couples.

Her work is sought by professionals, business leaders, and high-net-worth clients navigating complex relational dynamics, narcissistic abuse, and the lasting influence of early attachment and relational trauma. She is the author of Navigating a Narcissist and Leaving a Narcissist, and is recognised for her specialist expertise in coercive and controlling relationships.

Leanne’s clinical training includes work within NHS services, addiction recovery charities, Clinical Supervision and relational training with Family Action Relate. Her approach is depth-oriented, grounded, and informed by extensive experience working alongside psychological complexity.

Prior to her clinical career, she worked in finance, sales management, and media, including offshore environments. This informs her understanding of leadership, professional pressure, and the importance of discretion. Leanne is also a registered member of the British Association for Counselling and Psychotherapy (BACP), and the National Register of Psychotherapists and Counsellors, upholding their stringent and high standards of ethics and confidentiality.

She offers private consultancy from her Staffordshire practice, working with clients seeking a confidential, bespoke, and considered therapeutic engagement.