This chapter presents an overview of the utility of equine-assisted counseling and psychotherapy (EACP) in working with clients across the lifespan ranging from young children, adolescents, teenagers, adults, and older adults. The chapter opens with a discussion of the unique mental health needs of children and adolescents. Following this discussion, the chapter reviews the nature of the human-equine bond in children. The chapter then provides a detailed overview of Dr. Hallie Sheade’s Equine-Partnered Counseling model. This model was adapted from Child-Centered Play Therapy in order to provide developmentally appropriate approach for working with young children in EACP. Next, the chapter discusses clinical considerations and best practices for working with adolescent clients in EACP. Finally, the chapter concludes with a discussion of the integration of EACP with adult clients. Each section reviews the application of EACP based on each population’s developmental needs.