Children in custody, like all children, have the right to be free from all forms of violence. This report presents the findings of research carried out with children and young people with experience of custody in five European countries. it is published as part of the Ending violence against Children in Custody project, coordinated by the Children’s Rights Alliance for England (CRAE) and funded by the European Commission’s daphne iii programme. The Ending violence against Children in Custody project aims to support and empower children and young people with direct experience of custody to campaign for violence-free custodial settings. It is focused on the direct testimonies of children and young people with experience of custody and provides a platform for them to campaign for change. The report sets out the findings of research conducted by young investigators in Austria, Cyprus, England, the Netherlands and Romania with children and young people in custody and includes recommendations for ending violence in custody aimed at governments, governors of custodial settings, prison officers, police forces, and judges.