Deloitte Leads the Big Four in FY2023 Revenue 🧮

What we’re showing

Revenues of the “Big Four” accounting firms for fiscal year (FY) 2023. Fiscal year dates for each firm are as follows:

• Deloitte: May 31
• PwC & EY: June 30
• KPMG: September 30

Scale of the Big Four

The Big Four refers to the four largest professional service networks in the world. All four are headquartered in the UK, and command a dominant global market share.

According to Statista, Deloitte is the biggest, with over 450,000 employees as of FY2023. KPMG is the smallest, with 298,356 employees.