Trout CPA Rises to No. 178 on US Largest Accounting Firms List
Trout CPA has been ranked No. 178 on INSIDE Public Accounting's 2026 list of the largest U.S. accounting firms, advancing 12 positions from the previous year.
Lancaster, Pennsylvania – Trout CPA has been ranked No. 178 on INSIDE Public Accounting's (IPA) 2026 list of the largest U.S. accounting firms. This marks a 12-position advancement from its previous year's ranking of No. 190.
The recognition signifies Trout CPA's sixth consecutive year inclusion in the IPA Top 200. Compiled through the IPA Practice Management Survey, the annual ranking is based on net revenue and serves as a benchmark for firm size, growth, profitability, and market position within the accounting profession.
"Moving up the list is an affirmation of Trout CPA's commitment to delivering forward-focused advisory services to our clients," said Todd Harrington, Managing Partner at Trout CPA. "Our growth allows us to bring greater industry expertise and broader capabilities to clients throughout their business lifecycle while preserving the high-touch relationships, continuity, and accountability they value."
The firm's advancement reflects continued investment in both its people and service offerings. Trout CPA has expanded its market position and capabilities in areas including outsourced accounting, transaction advisory, and specialized consulting, providing clients with strategic guidance beyond traditional accounting and tax services.