Lumsden McCormick CPA Recognized by INSIDE Public Accounting as a Top 200 Firm in the United States
Buffalo, New York — Lumsden & McCormick, LLP is proud to announce its recognition by INSIDE Public Accounting (IPA) as one of the Top 200 CPA Firms in the United States, ranked #187 in the 2025 IPA rankings. This prestigious honor reflects the firm’s steadfast commitment to quality, exceptional client service, and its ability to thrive in a dynamic and competitive industry.
Each year, IPA ranks the top 500 U.S. public accounting firms based on net revenues, drawing from its comprehensive Practice Management Survey completed by over 600 firms nationwide. With more than 45,000 public accounting firms across the country, Lumsden McCormick’s inclusion in the Top 200 is a significant achievement.
“We are honored to be recognized among the nation’s top-performing accounting firms,” said Sara M. Dayton, CPA, Managing Partner of Lumsden McCormick. “This achievement is a reflection of our team’s collaborative spirit and the trust our clients place in us.”
Lumsden McCormick attributes its success to a culture of client-focused service, customized solutions, and a strong emphasis on team development. The firm continues to invest in professional growth opportunities and innovative practices that support both its people and its clients.
About Lumsden & McCormick, LLP
Founded in 1952, Lumsden McCormick is one of Western New York’s largest independently locally owned certified public accounting firms. The firm serves publicly and privately held businesses, nonprofit organizations, governmental entities, and individuals. In addition to traditional accounting services, the firm offers expertise in business valuation, litigation support, financial services, and forensic accounting.
About INSIDE Public Accounting
INSIDE Public Accounting has been a trusted source of benchmarking and practice management resources for CPA firms across North America since 1987. Its annual rankings and surveys provide critical insights into industry trends and performance metrics.