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Our Services

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At Spectrum Sisters, we provide specialist, female-led assessments and support for women and girls with autism and ADHD across the UK. Our services are designed to be holistic, person-centred, and neurodiversity-affirming, recognising the unique ways autism and ADHD present in females.

We offer:

• Autism Diagnostic Assessments

• ADHD Diagnostic Assessments

• Combined Autism & ADHD Assessments

• Functional Assessments (Autism and ADHD). This is included in all diagnostic assessments or available as standalone.

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Diagnostic Assessments

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Our diagnostic assessments are comprehensive, gold-standard evaluations that help you understand your neurodivergence and access the support you need.

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Autism Assessment

• Includes ADI-R interview, ADOS-2 observation, and in-depth clinical evaluation

• Explores developmental history, social communication, restricted/repetitive behaviours, sensory experiences, and strengths

• Delivered remotely by female clinicians with lived experience of autism

• Detailed written report with practical recommendations​

Price: £2,000

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ADHD Assessment

• Comprehensive evaluation using clinical interview, questionnaires, and relevant evidence

• Explores attention, executive functioning, emotional regulation, and daily life impact

• Detailed written report with guidance for support and accommodations​

Price: £1,800

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Combined Autism & ADHD Assessment

• Full assessment for individuals suspected of having both autism and ADHD

• Integrates tools and observations for both conditions

• Provides a holistic understanding of strengths, challenges, and support needs

Price: £3,000

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Functional Assessments

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A Functional Assessment explores how autism and/or ADHD affects daily life, routines, relationships, and wellbeing.

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Included in Diagnostic Assessments

• All our Autism, ADHD, or Combined Assessments include a Functional Assessment as standard

• Assesses daily living, work/education, social functioning, emotional regulation, sensory needs, and strengths

• Provides a detailed, personalised report with practical recommendations

• Ensures your diagnosis is paired with a clear understanding of real-life impact

 

Standalone Functional Assessments

• Available for individuals who already have a diagnosis but want a more detailed, practical, and actionable understanding

• Ideal for those whose previous assessments were brief or lacked depth

• Useful for professionals, including social workers, support coordinators, and educators, who need specific functional information

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Who the standalone Functional Assessment is for:

• Adults and young people with an existing diagnosis seeking clarity on daily functioning

• Social workers or support coordinators needing detailed reports for care planning

• Legal or tribunal purposes, including:

  • PIP or ESA applications/appeals

  • Tribunals or court proceedings requiring evidence of functional impact

  • Other legal or social care assessments where structured, impartial information is needed

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What’s included:

• In-depth interview exploring routines, social and occupational functioning, sensory and emotional experiences

• Identification of strengths, talents, and coping strategies

• Detailed report with practical, actionable recommendations

Price: £600–£800

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Why Choose Spectrum Sisters?

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• Female-led, lived-experience-informed practice

• Holistic, person-centred assessments

• Specialised understanding of masking, camouflaging, and the female autism phenotype

• Reports designed for personal insight, professional use, or legal/benefits purposes

At Spectrum Sisters, we aim to empower women and girls, providing clarity, practical guidance, and tools to thrive in all areas of life.