<p>Investigate the utility of a neuropsychological strengths-based approach to the assessment of Autism in adults; to determine the acceptability of the approach and feedback provided to clients; and gather information about improving the assessment process for future clients. The approach was grounded in a neurodiversity-positive framework, providing diagnosis-affirming care. Participants were inpatient clients of the neuropsychology service of a private adult, mental health treatment service. A structured, qualitative, interview framework and thematic analysis was employed, with questions focused on clients’ experience of the assessment process, recommendations for improvements and utility of the feedback provided. Ten adult clients with Autism participated (83% participation rate). All participants described having a positive experience with the assessment, from the information pre-assessment, to the assessment tasks, and the clinicians’ approach. Several hampering or challenging factors were also reported, including sensory challenges and mental fatigue. Most found the feedback process a positive experience. Suggestions for improving the feedback included simplification and individualisation of the information provided, and ensuring access to multiple and extended feedback sessions. Some clients conceptualised the assessment as part of their Autism identification journey and some found the concept of neurodiversity helpful. Strengths-based neuropsychology assessments, grounded in a neurodiversity-positive framework, were acceptable for adult inpatient participants recently diagnosed with Autism. All reported positive sentiments about the assessment, in addition to helpful adjustments to improve the process. Gaps were identified in opportunities to access Autism specific support following diagnosis. A number of recommendations are provided to assist neuropsychologists conducting Autism assessments for adults.</p> Graphical Abstract <p></p>