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