Big Four

The term "Big Four" commonly refers to the four largest professional services firms that provide audit, tax, consulting, and advisory services globally. These firms are Deloitte, PricewaterhouseCoopers (PwC), Ernst & Young (EY), and KPMG. They play a crucial role in the financial and business sectors, helping organizations manage compliance, improve efficiency, and make strategic decisions. Their size, extensive resources, and global presence allow them to serve a wide range of clients, from small businesses to multinational corporations and government agencies.