Ernst & Young (EY) is a London-based global leader in professional services, formed in 1989 through the merger of Ernst & Whinney and Arthur Young & Co. As one of the Big Four firms, EY provides a robust portfolio of services—including assurance (audit and financial reporting), consulting (strategy, technology, cybersecurity, digital transformation), tax advisory, and strategy and transactions (M&A, valuation, restructuring)—to clients in over 150 countries across more than 700 offices. Guided by the purpose of building a better working world, EY serves nearly 393,000 professionals worldwide, delivering insights enabled by data and technology to foster trust, drive transformation, and create long-term value for clients, people, and societies globally.