Business finance stands at the core of every organizational decision, shaping how enterprises plan, operate, grow, and sustain themselves in an increasingly complex and competitive global marketplace. As businesses navigate dynamic economic conditions, technological advancements, and evolving regulatory landscapes, the principles and practices of finance play a pivotal role in ensuring stability, efficiency, and long-term value creation. Business Finance: Theory and Practice is designed to provide a comprehensive understanding of the foundational concepts, analytical tools, and practical applications that guide financial decision-making in organizations. This text bridges the gap between theoretical frameworks and real-world financial challenges, offering readers a balanced perspective that is both academically sound and practically relevant. The book/chapter explores key areas such as financial planning, capital budgeting, working capital management, cost of capital, risk analysis, capital structure decisions, and dividend policies. It also examines emerging developments in financial technology, global financial markets, and contemporary corporate finance practices. Through clear explanations, conceptual depth, and illustrative examples, it aims to enhance the learner’s ability to evaluate financial alternatives and make informed decisions that align with organizational goals. Whether for students seeking foundational knowledge, researchers exploring financial strategies, or practitioners aiming to strengthen decision-making capabilities, this work serves as a valuable resource on the principles that underpin financial management. It is my hope that this contribution will foster a deeper understanding of business finance and support readers in applying these concepts effectively in academic, professional, and entrepreneurial contexts. By combining theory with practice, this book/chapter aspires to equip readers with the analytical insight and financial acumen essential for navigating the evolving landscape of modern business. Author Details: Mrs. M. Banurekha Assistant Professor Department of Commerce Dr.N.G.P. Arts and Science College (Autonomous), Coimbatore Mrs.S.J.Sembakalakshmi Assistant Professor, Department of Commerce with (Banking & Insurance), Sri Ramakrishna College of Arts and Science, Coimbatore Dr.P.Selvi Assistant Professor Department of Commerce (Banking & Insurance), Sri Ramakrishna College of Arts and Science, Coimbatore Dr. A. Marlyn Rose Assistant Professor Department of Commerce Sri Ramakrishna College of Arts and Science, Coimbatore.