This report delves into the realm of management accounting, providing a comprehensive overview of its principles, applications, and various systems. It explores how management accounting serves as a crucial tool for planning, measurement, and performance evaluation within organizations. The report highlights different types of management accounting systems, including job costing, price optimization, cost accounting, and inventory management systems, discussing their applications and benefits. Furthermore, it examines management accounting reporting, with a focus on budgeting reports, job cost reports, and performance reports. A significant portion of the report is dedicated to a case study of Galway PLC, where management accounting techniques are applied to analyze financial data, including the preparation of profit statements using both absorption and marginal costing methods. The report also covers planning tools used in budgetary control and emphasizes how management accounting can be a solution to financial problems, leading organizations toward sustainable success. In conclusion, the report underscores the importance of management accounting in strategy formation and plan execution, providing valuable insights for business managers and internal stakeholders.