Engaging youth at risk of violence in services: Messages from research

•Services are more likely to attract and retain youth if they are co-designed.•Services are likely to be more engaging for youth if they are personalised.•Practitioners working with youth need to be caring, open, attentive and genuine.•The service system needs to make it easy for youth to engage with services they need.•Parents/carers and peers can support young people’s engagement in services.