EY the busiest among America's public company audit firms |
The 10 accounting firms that had the most public company audit clients in 2023 are the same 10 firms atop the table in auditor market share so far in 2024, with EY leading the way as of January 30th. According to Ideagen Audit Analytics, the company audited 971 public companies registered with the SEC. Deloitte followed in second place, with 900 clients, followed by PwC with 719, KPMG with 605, and Marcum with 402. The top 10 was completed by Grant Thornton, BDO USA, BF Borgers, RSM US and Withum. The Big Four firms dominated the market share of large-accelerated filers, auditing 90% of this market, up 2% from last year. Outside of the Big Four, there were 31 other firms that competed for the remaining 10% of the large-accelerated-filer market, with Grant Thornton holding the largest portion at 4%. |
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