Average audit fees made by Big Four from S&P 500 companies 2022
In 2022, PwC had the highest average of S&P 500 audit fees out of the Big Four. This amounted to roughly 12.6 million U.S. dollars. Deloitte were second on the list with an average of almost 11.4 million U.S. dollars per audit. In 2023, the service line that generated the most revenue for Deloitte was consulting, with their audit segment following in second.