This report analyzes the financial performance and position of three major gambling companies in the UK: Coral Group Plc, Ladbrokes, Paddy Power Betfair Plc, and William Hill Plc. It utilizes ratio analysis to compare their liquidity, solvency, operational efficiency, and profitability. The report also explores the key stages of the capital investment decision-making process and the role of investment appraisal methods, including Accounting Rate of Return (ARR), Net Present Value (NPV), and Discounted Cash Flow (DCF), in evaluating investment opportunities. Numerical examples are provided to illustrate the application of these methods.