This book incorporates real-world case studies and relevant data for a detailed reflection on impact investing and financial inclusion. It models relevant theoretical frameworks to analyse finance for good, making a strong argument for access to finance as a pivotal force in building sustainable societies and fostering inclusive economic growth, in line with Sustainable Development Goal 8 (Decent Work and Economic Growth). Focusing on the synergy between impact investing and financial inclusion, it examines the importance of investment in innovations that promote affordable banking, microfinance, and insurance services for the underserved and analyse how such investment can drive sustained socioeconomic development. It investigates the challenges and opportunities in scaling impact investing in financial services infrastructures, considering structural and operational barriers such as the need for standardised impact measurement frameworks, risk mitigation in emerging markets, and the balance between financial returns and social impact. The book also explores technological enablers, including digital finance, blockchain, and AI-driven financial inclusion solutions, while addressing key issues such as digital literacy gaps, data privacy concerns, and regulatory inconsistencies. The relevance of the book is in its potential to drive positive change in financial systems, foster sustainable development, and empower marginalised populations through the knowledge of impact investment. The book will serve as a valuable resource for policymakers, investors, researchers, students and practitioners working towards a more inclusive and sustainable financial landscape.