Background: People with lived-experience of the phenomenon under investigation are seldom involved in the analysis of qualitative data, and there exists little guidance for those wishing to involve contributors at this stage of research.
Aims: To critically reflect on the process of involving people with lived-experience in a thematic analysis and to offer direction to other researchers.
Methods: An individual with lived-experience of residing in prison contributed to a co-analysis of qualitative data using thematic analysis.