Traditional standardized assessment often has some limitations when working with people with congenital deafblindness. There is risk for underestimating cognitive abilities and far too often people with congenital deafblindness are deemed not testable. However, the framework of dynamic assessment can be used to overcome some of these obstacles. The presentation will provide insight in how dynamic assessment can be applied for people with congenital deafblindness. Presentation of one or more examples of dynamic assessment of cognitive skills and potentials in people with congenital deafblindness. It examines how assessment tools can be modified and made accessible. To engage in the activities related to assessment, the assessment tools must be relatable and meaningful for the person. In our examples our starting point will be the known areas of interest for the person, and how they can be integrated into the assessment situation. Dynamic assessment in an interdisciplinary context can contribute to insight into the person's cognitive skills and potentials and lead to concrete proposals for initiatives, efforts, and adaptations in everyday life to strengthen agency and ensure active participation in creating a meaningful life.