The Big Four consulting firms, Deloitte, PricewaterhouseCoopers (PwC), Ernst & Young (EY), and KPMG, collectively employed more than 1.5 million people last year. Deloitte is the biggest, with $65.1 billion in global revenue in 2023 compared to PwC’s $53 billion, EY’s $49.4 billion, and KPMG’s $36.4 billion. These firms, which lead in accounting and auditing,...
December 7, 2024