Purpose: The purpose of this paper is to critically examine the current state of literature on peer parental advocacy, offering practical insights and ideas for researchers and practitioners interested in this evolving field. Design/methodology/approach: This narrative review is a comprehensive, critical and objective analysis of the current knowledge on peer parental advocacy. Findings: Parental peer advocacy (PPA) has seen growing interest, with increasing research detailing the benefits and challenges. It is now being considered within children’s services across the UK, drawing upon the success of similar initiatives, especially in the USA. There is a compelling case for PPA, not least as it may contribute to resolving the longs...