Revenue of the Big Four accounting / audit firms worldwide in 2019
(in billion U.S. dollars)
Revenue of the Big Four accounting / audit firms worldwide in 2019
This statistic shows the revenue of the Big Four accounting / audit firms worldwide in 2019. Deloitte was the largest of the big four firms in terms of revenue having generated approximately 46.2 billion U.S. dollars in that year.

The "Big Four" accounting firms - additional information

The “Big Four” accounting firms are Deloitte, PricewaterhouseCoopers (PwC), Ernst & Young (EY) and KPMG. They offer such services as audit, assurance, corporate finance and legal services, among others. Deloitte was the largest of the four companies and therefore the largest in the world in terms of revenue in 2019. With a revenue of 42.4 billion U.S. dollars, PwC was not far behind the 46.2 billion generated by Deloitte. The three leading companies earned the largest share of their revenues in the Americas, whereas KPMG, the smallest of the four, earned the largest share of theirs in Europe, the Middle East and Africa (EMA). PwC and EY generated much of their revenue in the audit/ assurance/ audit and enterprise risk services (AERS) segment, while Deloitte and KPMG from their advisory/ consulting segment.

The big four combined employed well over one million people worldwide in 2019. Employees from Deloitte comprised the largest share. Close to 139,500 of Deloitte employees were located in the Americas. The second largest share were employed in the EMEA region.

The second largest accounting firm in terms of revenue, PwC, employed around 276,000 people around the world. In 2019, the largest share of employees could be found in Western Europe, followed by the Americas and Asia. Around 42 percent of PwC’s workforce worked in assurance.
Revenue of the Big Four accounting / audit firms worldwide in 2019
(in billion U.S. dollars)
Revenue in billion U.S. dollars
Deloitte 46.2
PwC 42.4
EY36.4
KPMG29.75
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Sources

Release date

December 2019

Region

Worldwide

Survey time period

2019

Supplementary notes

Fiscal years: Deloitte ends May 31; PwC and EY end June 30; KPMG ends September 30.

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Revenue of the Big Four accounting / audit firms worldwide in 2019
This statistic shows the revenue of the Big Four accounting / audit firms worldwide in 2019. Deloitte was the largest of the big four firms in terms of revenue having generated approximately 46.2 billion U.S. dollars in that year.

The "Big Four" accounting firms - additional information

The “Big Four” accounting firms are Deloitte, PricewaterhouseCoopers (PwC), Ernst & Young (EY) and KPMG. They offer such services as audit, assurance, corporate finance and legal services, among others. Deloitte was the largest of the four companies and therefore the largest in the world in terms of revenue in 2019. With a revenue of 42.4 billion U.S. dollars, PwC was not far behind the 46.2 billion generated by Deloitte. The three leading companies earned the largest share of their revenues in the Americas, whereas KPMG, the smallest of the four, earned the largest share of theirs in Europe, the Middle East and Africa (EMA). PwC and EY generated much of their revenue in the audit/ assurance/ audit and enterprise risk services (AERS) segment, while Deloitte and KPMG from their advisory/ consulting segment.

The big four combined employed well over one million people worldwide in 2019. Employees from Deloitte comprised the largest share. Close to 139,500 of Deloitte employees were located in the Americas. The second largest share were employed in the EMEA region.

The second largest accounting firm in terms of revenue, PwC, employed around 276,000 people around the world. In 2019, the largest share of employees could be found in Western Europe, followed by the Americas and Asia. Around 42 percent of PwC’s workforce worked in assurance.
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