EY (Ernst & Young) is one of the world's largest professional services firms and a member of the Big Four accounting firms. The company provides assurance (audit), tax, consulting, strategy, transactions, risk management, and technology services to organizations across virtually every industry. Operating in more than 150 countries with over 400,000 professionals, EY helps businesses navigate digital transformation, regulatory compliance, sustainability, cybersecurity, artificial intelligence, and financial reporting. Its purpose is to build a better working world by creating long-term value for clients, employees, society, and capital markets.