The document provides guidance for commissioners of child and adolescent mental health services (CAMHS), emphasizing the necessity for integrated and well-structured services to support the mental health needs of children and young people. Key points highlight the importance of early intervention, multi-agency collaboration, and the need for adequate investment in mental health services, given the persistent prevalence and impact of mental health issues starting from childhood. It outlines the structure of CAMHS, the significance of involving stakeholders such as children and families in service design, and the economic and moral imperatives for effective mental health commissioning.