Research

Rey Ramirez is cofounder at Thrive HR Consulting, a minority-owned HR advisory that provides value-based HR support for mergers and acquisitions, C-Suite executive coaching, employee relations, DEI and belonging, performance management, employee engagement, and talent acquisition.

May 5
THE BIGGEST FIRMS IN THE FIELD
2025 Top 100 Firms cover cropped
Ranking
This annual ranking of the leading national and local firms also includes data analysis, as well as their chief executives' take on the major issues facing their firms, and their strategies for success for 2025 and beyond.
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A look at the numbers behind the biggest firms in accounting this year.

March 6
1 Min Read
AT-030325 - Fastest Growing Firms chart

The 25 accounting practices with the highest revenue growth in percentage terms in 2024 from Accounting Today's Top 100 and Regional Leaders list.

March 5
1 Min Read
2025 state map of Top 100 Firm headquarters

The accounting profession is at home everywhere in the country, but there are a few spots where it's more concentrated.

April 14
1 Min Read
LISTS & RANKINGS
Grassi & Co

Grassi merged in Anstiss & Co.; and Platform Accounting Group added AKM Advisors.

January 31
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Armanino adds 22 partners; Weaver expands in India; and more news from across the profession.

January 31
Deloitte building in Ottawa

Plus, Intuit tests new interface combining QBO and Mailchimp; Ignition appoints new CEO, CFO; and other news from the accounting tech world.

January 31
Avantax building in Dallas

Avantax acquired Sweeney Kovar, and Marsico Financial Group bought Care Accounting.

January 28
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KPMG appoints new global head of audit; Weaver launches health care advisory practice; and more news from across the profession.

January 24
Vanover-Chris-CPA Club

Plus, FloQast achieves ISO 42001 certification on AI systems; and other accounting tech news and updates.

January 24
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Two leaders exit SEC; Illinois CPA Society welcomes largest class of Mary T. Washington Wylie Internship Preparation Program scholars; and more news from across the profession.

January 17
CPA.com's Erik Asgeirsson addresses a session at the 2018 Engage event

Plus, Corecentric enhances its International Tax Management Engine; and other accounting tech news and updates.

January 17

The latest data on revenue growth for CAS practices, statistics from IRS Criminal Investigation for the full year of 2024, and other major metrics.

January 16
OpenAI CEO Sam Altman

1-800Accountant and LegalZoom teamed up, accounts payable's AI-empowered glow-up, and other tech developments from the past month.

January 15
AT Think

Change is not at hand; a question for brokerages; the IRS Simple Installment; and other highlights from our favorite tax bloggers.

April 8
3 Min Read
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Elon Musk's Department of Government Efficiency reportedly plans to centralize all IRS data around a single portal and will begin efforts next week with a "hackathon."

April 8
2 Min Read