Top 10 Consulting Firms in the World in 2021 by Revenue

Deloitte Touche Tohmatsu Ltd, PricewaterhouseCoopers International Ltd, Ernst & Young Global Ltd, KPMG International Coop, and Marsh & McLennan Companies Inc are the top 5 consulting firms in the world in 2021 by revenue. Cumulatively, the top 10 consulting firms in the world generated revenue of $242,164 million, with average revenue growth of 10.18%, the highest revenue was generated by Deloitte Touche Tohmatsu Ltd ($50,200 million), followed by Ernst & Young Global Ltd ($45,420 million) and PricewaterhouseCoopers International Ltd ($45,142 million). In terms of the geographical split, 7 out of the top 10 consulting firms in the world are based in Europe, while 3 are based in North America. They employed a total of 1,511,063 people in 2021. The United Kingdom-based Deloitte Touche Tohmatsu Ltd is one of the leading consulting firms in the world by revenue. The company reported revenues of $50,200 million in the fiscal year ending 2021 (FY2021). Its service portfolio includes financial statement audits, accounting advisory, assurance services, resource planning, outsourcing, and actuarial and insurance solutions. In addition, it offers global employer services, business tax, transfer pricing, mergers and acquisitions, global investment and innovation incentives, indirect tax, international tax, and tax management consulting services, and employed 345,374 people. PricewaterhouseCoopers International Ltd is another leading consulting firm in the world (by revenue). The company reported revenues of $45,142 million in the fiscal year ending 2021 (FY2021). is a network of member firms that operate and provide professional services under the brand PricewaterhouseCoopers. Each member firm is a separate legal entity. The company’s portfolio of services includes financial statement audit, risk assurance, regulatory compliance and reporting, international financial reporting standards (IFRS) reporting, capital market transactions advisory, financial accounting, actuarial insurance services, and internal audit. The company operates in the Americas, Europe, the Middle East, Africa, and Asia, and employed 284,258 people.