Combined revenue of EY worldwide by service line 2009-2019

The combined worldwide revenue of accounting firm, Ernst and Young (EY), reached a record 36.4 billion U.S. dollars in 2019, with more than one third of that figure being generated from its assurance services. The firm’s transaction advisory services had the biggest year-on-year growth, increasing by 15 percent between 2018 and 2019.

Advisory services help to strengthen EY

EY reported growth across all four of its service lines in 2019, which led to the overall global revenue of the firm increasing by around 1.6 billion U.S dollars on the previous year. The firm’s assurance services package – providing clients with support in the areas of auditing and financial accounting – remains a key focus and has generated the most income for a number of years. However, EY’s advisory line continues to attract strong demand from clients and revenue from the service has approximately doubled since 2012. One reason for this could be that developments in digital technology are prompting more and more clients to seek advice on topics such as data analytics and cybersecurity, helping them to build their company for the future.

The titans of the accounting world

EY is the third biggest of the Big Four accounting firms worldwide – its revenue of 36.4 billion U.S. dollars was only bettered by PricewaterhouseCoopers (PwC) and Deloitte in 2019. EY’s record income in 2019 contributed to the combined revenue of the Big Four increasing by around 6.5 billion U.S. dollars on the previous year. Proposals and recommendations have been discussed in order to break up the market dominance of the four accounting firms and create competition within the sector, but for the time being the Big Four will continue to audit the financial records of the largest public companies worldwide.

Combined revenue of EY worldwide from 2009 to 2019, by service line

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Release date

September 2019



Survey time period

2009 to 2019

Special properties

financial year ended June 30

Supplementary notes

Ernst & Young is not a global corporate structure where ownership, legal control, or profits are consolidated at a central parent entity. The financial information presented here represents combined, not consolidated, revenues, eliminates inter-firm billings and includes expenses billed to clients.
Values for previous years were taken from previous annual reports.
Figures have been rounded.

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