This document is a report detailing the annual rankings of the top 500 CPA firms in the United States based on net revenue. The rankings encompass a range of firms from the largest, multi-billion-dollar Big 4 to smaller firms ranked at No. 500. The report highlights the dynamic nature of these rankings, which can change significantly from year to year due to factors such as organic growth and mergers and acquisitions. It provides an analysis of the IPA 100, 200, 300, 400, and 500 firm groupings, identifying challenges and opportunities faced by these firms over the past year. Additionally, the report includes benchmarking trends that allow firms to compare their performance against peers, focusing on aspects such as growth rates, profitability, and compensation for partners and staff. The document serves as a comprehensive resource for understanding the landscape of CPA firms in the nation.