The Big Four (accounting firms)

The Big Four are the four largest professional services networks providing accounting, audit, consulting, and advisory services globally. They are Deloitte, PricewaterhouseCoopers (PwC), Ernst & Young (EY), and KPMG. These firms assist organizations in financial reporting, compliance, risk management, and strategic improvement. Known for their extensive expertise and standards, they serve a wide range of clients from multinational corporations to government agencies. Their reputation for high-quality services and global presence makes them key players in the financial and business sectors worldwide.