This book offers a focused exploration of how socio-emotional wealth (SEW)—the non-financial values that families embed in their firms—shapes corporate social responsibility (CSR) practices. Drawing on an empirical study of Italian family firms, it examines the interplay between SEW’s five dimensions—family control and influence, identity, social ties, emotional attachment, and dynastic succession—and CSR initiatives across stakeholders, philanthropy, and environmental engagement. By integrating theoretical insights with practical evidence, the book advances understanding of why family firms approach sustainability and social responsibility differently from non-family counterparts. It situates these findings within broader debates on resilience, longevity, and the transition toward circular economy principles, offering a nuanced perspective on the strategic and ethical priorities of family enterprises. Designed for scholars, doctoral researchers, and advanced students in family business, corporate governance, and sustainability studies, this work provides fresh empirical data and conceptual clarity. It is an essential resource for anyone seeking to deepen their knowledge of family firm heterogeneity and the socio-emotional drivers behind responsible business conduct.