




Leading ASD & ADHD Assessments in the UK
At Code Behaviour, we are recognised as one of the leading providers of Autism Spectrum Disorders (ASD) and ADHD assessments in the UK. Our approach is rooted in data-driven practice, ensuring every assessment is comprehensive, reliable, and clinically robust. All of our ADHD assessments include neuropsychological testing, giving us an in-depth understanding of cognitive strengths and challenges alongside behavioural presentation. We use internationally recognised tools such as the ADOS-2, ADI-R, and gold-standard psychometric measures to provide accurate and meaningful diagnostic outcomes
Book an Initial Consultation
Getting started is simple. Our online Initial Screening Consultation brings expert insight straight to your screen, wherever you feel most comfortable. This 30-minute video session with a neurodivergence-specialist is designed to determine whether a full diagnostic assessment would be helpful.
While this is not a diagnostic assessment, it provides valuable guidance on next steps. Following this session, you will receive a summary of our recommendations, with either not continuing with an assessment, sparing you unnecessary time and costs or suggesting types of a comprehensive assessment to explore a possible diagnosis.
The consultation fee is £30, which will be deducted from your total assessment cost should you decide to proceed with a full diagnostic assessment. At Code Behaviour, we ensure the process is clear, supportive, and evidence-based, so you can move forward with confidence and clarity.
Our Unique Approach

Person-centred Approach
At Code Behaviour - Modus Mores, we prioritise individualised care, tailoring interventions to meet the unique needs of neurodiverse individuals and those with complex mental health requirements.
Our evidence-based assessments & interventions are designed to promote mental health well-being and empower individuals to lead fulfilling lives.
Our services are informed by the latest evidence-based practices and adhere to NICE guidelines, ensuring the highest standards of professional care.
With short waiting times for assessments and services, we prioritise timely support to help you address critical needs in your practice.
Whether you require a specialist psychodiagnostic evaluation or psychotherapeutic interventions, our experienced clinicians offer personalised guidance throughout your journey.
