Thompson Greenspon is pleased to share that it has been included among the 2026 IPA 400 firms. The firm ranked No. 337 in this year’s IPA 500.

INSIDE Public Accounting’s IPA 500 is an annual ranking of the 500 largest accounting firms in the United States by net revenue. The rankings are based on data submitted through the IPA Practice Management Survey and are presented in five groupings: the IPA Top 100, Top 200, Top 300, Top 400 and Top 500. IPA also uses survey data to examine growth, profitability and other operational trends across the profession.

View the full 2026 IPA 500 rankings at https://insidepublicaccounting.com/ipa-top-500-firms/.