Sources of Legitimacy in Non-Profit Organisations

Legitimacy forms the foundation of credibility and trust for non-profit organisations, influencing their ability to attract resources, shape policy, and maintain social acceptance. This article explores the primary sources of legitimacy—legal, moral, representational, and epistemic—while examining the interplay between input and output legitimacy. Legal legitimacy provides a formal basis through regulatory compliance, but it cannot alone ensure credibility. Moral legitimacy stems from ethical conduct and alignment with societal values; representational legitimacy emerges from authentic participation and advocacy; and epistemic legitimacy derives from expertise and evidence-based practice. The input–output distinction reveals tensions between inclusiveness and performance, reflecting the broader challenge of balancing donor expectations with community trust. By integrating these perspectives, the article presents legitimacy as a multidimensional, negotiated construct requiring continuous ethical, relational, and cultural calibration. It provides both theoretical depth for scholars and actionable insights for practitioners seeking to sustain legitimacy in complex and contested civic environments.