Business Consulting Why is McKinsey not Big 4? June 2, 2026 by Mercier | Leave a Comment McKinsey & Company is not considered one of the "Big Four" accounting firms because it is a global management consulting firm, not an accounting or auditing services provider. The Big Four (Deloitte, PwC, EY, and KPMG) primarily offer audit, tax, and advisory services, while McKinsey focuses on strategic business advice and problem-solving for corporations and […] Read more »
Business Consulting Is McKinsey a big 3? June 2, 2026 by Mercier | Leave a Comment Yes, McKinsey & Company is widely recognized as one of the "Big Three" management consulting firms, alongside Boston Consulting Group (BCG) and Bain & Company. These three firms are often referred to as the "MBB" and are known for their elite status, rigorous recruiting, and impactful work with major global corporations and governments. Understanding the […] Read more »