This report provides a comprehensive analysis of auditing theory and practice, focusing on financial statement analysis and ethical considerations within the auditing profession. It begins by examining PwC, one of the 'Big Four' auditing firms, detailing its role, global operations, and commitment to quality control and adherence to international standards. The report then delves into the importance of financial statements for stakeholders and the responsibilities of auditors in ensuring accuracy and fairness. It emphasizes the evolving legal and economic environments, and the auditors' need to address increasing complexities. The report also explores the growing significance of social responsibility and business ethics, examining how companies' performances are assessed against environmental, social, and economic objectives. Furthermore, the report investigates specific scenarios, analyzing potential violations of professional codes of conduct by auditors, including issues of independence, integrity, and adherence to ethical guidelines. It provides detailed explanations of the applicable rules, legal requirements, and rationales behind the ethical standards. Finally, the report stresses the importance of auditors' professional judgment, objectivity, and independence in maintaining public trust and ensuring the reliability of financial information.