This report provides a comprehensive analysis of financial decision-making, focusing on the case study of SKANSA PLC. The report begins with a critical evaluation of the significance of accounting and finance duties, roles, and functions within an organization. It delves into the specific responsibilities of the accounting department, including financial management, statement preparation, inventory tracking, cash flow analysis, and payroll management. The roles of the accounting department, such as financial accounting, financial statement preparation, and financial planning are also examined. The finance department's duties, including bookkeeping, cash flow management, budgeting and forecasting, advising on long-term financing, tax management, and investment management, are also discussed. Furthermore, the report includes a financial analysis of SKANSA PLC, using key financial ratios such as the current ratio, return on capital employed, and net profit ratio, providing insights into the company's financial performance over two years. The analysis highlights trends and implications of these ratios, offering a holistic view of the company's financial health and decision-making processes.