This report explores the role of the accounting & finance department in financial decision making and the relevance of ratio analysis in evaluating business performance. It focuses on SKANSKA PLC, a UK-based construction organization, and discusses the responsibilities of the accounting department, such as recording transactions, evaluating performance, creating budgets, and helping in decision making. It also highlights the role of the finance department in investment, financing, dividend distribution, and working capital management. The report concludes with an analysis of ratio analysis and its impact on SKANSKA PLC's financial performance.