Psychotherapy in Harley Street

At Dementech our team of professionals is carefully selected and committed to providing comprehensive assessment, treatment and support for people experiencing mental health concerns. Our dedicated and highly qualified team of experienced health practitioners foster a discrete environment ideal for treatment and recovery.
1 Consultation
Initial consultation with a psychologist or psychotherapist.
2 Assessment
Appointment with a psychologist or psychotherapist for personal or computerized, detailed assessments of cognitive neuropsychiatric issues associated with mental health.
3 Follow-up
During the 2nd consultation with the psychologist or psychotherapist, a clinical diagnosis & follow-up strategy are discussed, explained and agreed upon.


We make meaningful connections with patients enriching their lives by leaving them a greater understanding of themselves, and more confidence to face the world.

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Risk Assessment & Prevention

Our team of highly qualified professionals is carefully selected and committed to providing a comprehensive mental health assessment, through consultation or testing, for people experiencing concerns. We foster a discrete environment ideal for diagnosis treatment and recovery from mental health issues.

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Our holistic approach to treatment is offered in a safe and supportive environment supported by evidence-based treatments, patient education and therapeutic programs. Our mental health programs for the treatment of mood & anxiety disorders are designed to help clients gain the necessary skills to manage their illness more effectively.

A specialist consultant will oversee your treatment, which may include a combination of treatments or specific treatments like medication, psychotherapy, and other non-pharmacological interventions. At Dementech we take our work seriously and use the latest scientific and psychological developments and guidelines. Our services are sought out by patients who are proactive about their mental health and who value high quality health care and aspire to a better self.

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020 8015 0026

Book an Appointment

Iana Trichkova

Iana is a professionally qualified counsellor and psychotherapist who practices an integration of several theoretical approaches: Person Centred, Humanistic, Phenomenological, Existential, Psychodynamic /Psychoanalytic, Postmodern.

Silvia Gerea

Silvia Gerea is a Consultant Psychotherapist and Psychologist.

Dr Soumit Singhai
Geriatric and general internal medicine

Dr Singhai has been a Consultant Physician/Geriatrician since 2009, initially at the Homerton University Hospital Foundation Trust in London and then from 2016 he has been at the Lister Hospital in Hertfordshire.

Mr. Stelios Kiosses
Lead Psychological Services

Stelios Kiosses is a consultant psychotherapist who studied psychodynamic counselling and clinical Supervision at the University of Oxford and has also previously trained in psychotherapy and experimental psychology.

Dr. Areti Pavlidou
Lead Psychiatric Services

Dr Areti Pavlidou is a Consultant Psychiatrist specialising in Adult and Liaison Psychiatry. She works in the NHS as the Lead Consultant for inpatient and community mental health services. Dr Pavlidou trained in Maudsley hospital and completed her higher specialist training in Adult Psychiatry and Liaison Psychiatry in East London Foundation Trust and Saint Bartholomew's Hospital.

Dr. K. Diamantopoulos
Lead Psychiatrist

Dr Konstantinos Diamantopoulos is a Consultant Psychiatrist. His clinical interests are in the field of mood and anxiety disorders and he has a passion for investigating new emerging approaches for these conditions.