1. Deloitte is ranked number one with revenues of $64.9 billion of revenue in fiscal year 2023. They earned $59 billion in their 2022 fiscal year. Deloitte earned $46.2 billion for their 2019 fiscal year. Deloitte was also ranked number one with revenues of $43.2 billion for their 2018 fiscal year. They were able to pass PwC in 2016.

In 2023, Deloitte generated some 20 billion U.S. dollars in revenue from its assurance segment, making it the leader in the assurance market among the Big Four. The Big Four worldwide. The Big...

Our 2023 big 4 ranking page will help you tell your friends and family why you are going to the best big 4 possible. No matter which big 4 you choose to go to, they likely rank number 1 or 2 in at least one category.

Spotlighting the Nation's. Top 500 CPA Firms. The Annual List: Comprehensive Rankings. Every year, INSIDE Public Accounting ranks the top 500 CPA firms in the nation based on net revenue, from the multi-billion-dollar Big 4 to No. 500.

The “Big 4” is a term used to reference the four largest accounting firms: Deloitte, Ernst & Young (EY), KPMG, and PricewaterhouseCoopers (PwC). Their gargantuan size and global reach put them in a unique position to shape the finance industry, drive innovation, and influence regulations.