Dr Ashleigh Powell

Co-Founder & Co-CEO

Clinical Psychologist & Cognitive Behavioural Therapist

Dr Ashleigh Powell Clinical Psychologist Co-founder at Regal Private Therapy Practice Harley Street, blonde smart female smiling seated dressed in white suit

    • Doctorate in Clinical Psychology (DClinPsy)

    • PGDip in Cognitive Behavioural Therapy

    • PGCert in Clinical Supervision & Management

    • MSc in Mental Health Studies

    • BSc in Psychology

    • HCPC Registered

    • BABCP Accredited

    • BPS Chartered

Dr Ashleigh Powell is a highly experienced Clinical Psychologist and BABCP-accredited Cognitive Behavioural Therapist, registered with the HCPC. Alongside her role of co-founder and co-CEO at Regal Private Therapy Practice based in Marylebone, in London’s Harley Street medical district, Ashleigh provides expert, evidence-based psychological therapy to adults, adolescents and children, specialising in anxiety disorders, phobias, OCD, depression, low self-esteem, trauma and burnout. Her work is grounded in the highest standards of clinical training and delivered with warmth, precision, and clinical integrity.

Ashleigh completed her doctoral and postgraduate clinical training at Royal Holloway, University of London, and King’s College London, institutions internationally recognised for excellence in psychological science and clinical practice. She is a specialist in Cognitive Behavioural Therapy (CBT) and third-wave approaches, including Acceptance and Commitment Therapy (ACT) and Compassion Focused Therapy (CFT). Rather than applying a one-size-fits-all model, Ashleigh works in an integrative, formulation-led way, tailoring therapy carefully to each client’s needs, goals, and context and adapts her approach carefully for clients with ADHD and autism.

 With over a decade of experience across NHS specialist services and private practice, Ashleigh brings a depth of clinical understanding across the lifespan. Prior to co-founding Regal Private Therapy Practice, she held a senior role within an NHS Child and Adolescent Mental Health Service (CAMHS), where she managed and clinically supervised a team of Child Wellbeing Practitioners. Her broader clinical background includes adult talking therapies, school-based mental health services, specialist perinatal teams, and inpatient eating disorder hospitals, giving her a comprehensive and nuanced perspective on psychological care.

Ashleigh has a particular interest in working with adolescents and young adults, as well as high-performing professionals navigating pressure, perfectionism, emotional burnout. Clients often describe her therapeutic style as warm, grounded, and highly collaborative, combining emotional safety and compassion with clear structure and evidence-based strategies that support meaningful and sustainable change. 

Alongside her clinical work, Ashleigh regularly contributes as an expert psychologist in the media, with features in The Sun, Newsweek, and speaking appearances on respected mental health platforms. She is also actively involved in shaping the future of the profession, sitting on the Doctorate in Clinical Psychology interview panel where she helps select the next generation of Trainee Clinical Psychologists.

With a background as an elite athlete at Loughborough University, Ashleigh also brings specialist insight into the psychological demands of high-level performance or those in the public eye for sports. She supports clients in addressing issues such as performance anxiety, identity transitions during retirement from elite sport, injury, and the emotional pressures associated with competitive and professional environments.

Regal Private Therapy Practice is known for combining clinical excellence with a premium care pathway, supporting neurodivergent individuals, high net worth clients, international families, and professionals seeking discreet, reliable psychological care. At Regal, Ashleigh plays a key role in leading on the service’s child and adolescent pathway. For clients seeking expert, discreet, and compassionate psychological support, she offers a level of care that is both clinically rigorous and deeply human.

Ashleigh’s work reflects a clear philosophy: effective therapy is built on evidence, expertise, and a genuine understanding of the individual, enabling clients to move forward with clarity, confidence, and lasting resilience.

 

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Client experiences working with Ashleigh

  • Words cannot truly capture the difference Ashleigh has made

    “From the bottom of my heart, thank you to Ashleigh for the incredible support she has given my daughter and in turn myself and our family. Words cannot truly capture the difference Ashleigh has made in our lives.”

  • "Ashleigh helped me return to work in just 12 weeks"


    "After being signed off work for six months due to panic attacks and severe depression, Ashleigh helped me return to work in just 12 weeks. Her professionalism and empathy were invaluable. I regained confidence in everyday activities and saw a huge improvement in my relationship with my wife and daughter. I will always be grateful for the support Ashleigh provided."

  • “Ashleigh helped me and my parents more than I ever could imagine”

    "After struggling with OCD for so long, Ashleigh helped me regain control of my life. I no longer feel compelled to perform endless rituals, and I’ve gained confidence in all areas of my life. Ashleigh also supported me with exam anxiety, sleep difficulties, and worked with my parents to help me at school. Most importantly, she taught me how to become my own therapist, empowering me to manage any setbacks in the future. Ashleigh helped me and my parents more than I ever could imagine."

  • "It was a lightbulb moment to realise that my self-esteem issues weren’t my fault"


    "I spoke to Ashleigh about some extremely painful and personal issues from my childhood. She addressed my concerns with complete understanding, encouragement, and zero judgment. It was a lightbulb moment to realise that my self-esteem issues weren’t my fault, and that I had the power to change. Our online sessions felt like teamwork, with Ashleigh sharing her screen and collaborating with me to set tasks, expanding my 'toolbox' for managing my perfectionism and self-esteem. Thank you for everything!"

  • Overall my experience was really positive

    “Ashleigh was the third therapist I had seen for social anxiety. Before Ashleigh, I started to think therapy would never work for me. Ashleigh however quickly made it feel like a safe space, I felt comfortable to be open from the start. It was great how Ashleigh tailored sessions, it never felt like we were going through a set structure, instead Ashleigh focused on what resonated with me the most which has delivered noticeable changes. Ashleigh knew when to push me, and when to take things slower. Ashleigh was great at making sure I got the most out of sessions, set manageable tasks that pushed me and helpful questioned my thought processes. I have since got a work promotion and have gained confidence to start dating again. Overall my experience was really positive!”

  • I was lucky to have Ashleigh as my psychologist

    “I believe I was really lucky to have Ashleigh as my psychologist and as a guide throughout my journey. I found the entire process really useful. It was easy to speak to Ashleigh because she made me feel like she was listening to me without any judgement.”