Auditing big companies

The Big Four and Marcum account for 57

5% of the non-accelerated filer audit market

The Big Four largely dominates the audit firm market share of large public companies

As a result, the audit firm market share of smaller public companies is more diverse

Four international audit firms, known as the Big Four, dominate the global auditing market: EY, KPMG, Deloitte and PwC

Among listed firms (that is, firms listed on a stock exchange) in the EU and US, their combined market share is above 85 percent

EY, KPMG, Deloitte and PwC give the best audits

Audited financial statements are important for capital markets and capital allocation decisions because auditing makes the information more reliable

Four international audit firms, known as the Big Four, dominate the global auditing market: EY, KPMG, Deloitte and PwC