Entrepreneurship is no longer the domain of lone visionaries operating on the fringes of the economy. In the De Gruyter Handbook of Firm-Level Entrepreneurship and Intrapreneurship, the spotlight shifts decisively inside organisations - where innovation is cultivated, constrained, and transformed by structures, cultures, and people. This volume challenges traditional narratives by revealing how entrepreneurial activity emerges not in isolation, but through the dynamic interplay of leadership, strategy, and organisational design. Bringing together diverse perspectives, it reframes entrepreneurship as a complex, embedded phenomenon that evolves across firms of all sizes and sectors.

Moving beyond narrow definitions of success, this handbook opens up a richer conversation about the social and human dimensions of entrepreneurial work. It explores how organisations create value not only through innovation and performance, but also through sustainability, fairness, and employee well-being. By examining corporate social entrepreneurship and the lived experiences of employees, the book highlights how meaning, inclusion, and purpose shape entrepreneurial outcomes. It shows that lasting innovation depends as much on how people are treated as on the ideas they generate.

Unflinchingly, the volume also addresses the obstacles, tensions, and failures that define entrepreneurial life inside organisations. It examines how leadership, organisational justice, and team dynamics determine whether experimentation thrives or falters. Through theory and real-world cases, the handbook reveals that failure is not an exception, but a vital part of learning and renewal. Bridging scholarship and practice, this essential resource invites readers to rethink what it means to foster entrepreneurship in today's organisations - placing human relationships, ethical responsibility, and resilience at the heart of innovation.