Committed to clinical excellence in the comprehensive evaluation of neurodevelopmental differences
Delivering evidence-based autism and ADHD assessments for children and adults
We are a specialist assessment service focused on the diagnostic evaluation of autism and ADHD in children, adolescents, and adults. Our comprehensive assessments are conducted by senior clinicians using a multidisciplinary, evidence-based approach to ensure accurate diagnosis and to guide appropriate support and intervention pathways.
Here for You – Every Step of the Way
We understand that reaching out for an autism or ADHD assessment can feel overwhelming. But you’re not alone. Every day, individuals and families begin their journey with us—toward clarity, confidence, and meaningful support.

Help for Adults
Explore personalised assessments, practical insights, and tailored strategies to help better understand yourself—and thrive in daily life, relationships, and work.

Help for Children
We partner with families to provide gentle, age-appropriate assessments that honour your child’s strengths while supporting their unique needs.
Not Sure Where to Start?
We’re here to guide you every step of the way—no pressure, just support.
Why Choose 101 Autism and ADHD Assessment Services?
Clinically Sound, Compassionately Delivered, Publicly Recognised
At 101 Assessment Services, we provide comprehensive, evidence-based Autism and ADHD assessments for children, adolescents, and adults — with no unnecessary delays or confusion.
- Specialist Clinicians You Can Trust
Our assessments are delivered by highly qualified, experienced professionals who specialise in Autism and ADHD. With deep clinical knowledge and a compassionate approach, we ensure accurate diagnoses and meaningful, tailored recommendations. - No Waiting Lists
We offer timely access to assessments, with no long delays — so you can get the clarity and support you need, when you need it. - Accepted by Public Services
Our diagnostic reports are recognised by NHS providers, schools, and local authorities, helping you access services, accommodations, and support across sectors. - Inclusive, Affirming Assessments
We provide neurodiversity-affirming, trauma-informed, and culturally sensitive assessments, ensuring that everyone is respected, heard, and understood throughout the process. - No Hidden Fees
We believe in complete transparency. That means clear, fixed pricing with no surprise charges, and a full explanation of what’s included before you commit. - High-Quality Reports You Can Use
Our reports are clinically robust and practically useful, written in clear language to support applications for EHCPs, workplace adjustments, school accommodations, and more. - Supportive from Start to Finish
From your first enquiry to post-diagnostic support, our team is approachable, professional, and here for you every step of the way.
