The Big 4 Companies in the World: Everything You Need to Know
The "big 4 companies in world"—Deloitte, PwC (PricewaterhouseCoopers), EY (Ernst & Young), and KPMG—continue to dominate the global professional services sector. In 2025, their combined revenue surpassed $219 billion. These firms are the primary auditors for over 80% of U.S. public companies and provide essential consulting, tax, and advisory services...