Company lists · Data refreshed September 2026

Top 25 Tax audit firms based in the United States

RevenueBase identified 6,039 company matches for tax audit firms associated with the United States as of September 2026 and tracks 107,079 professional contacts across them, including 28,919 with verified work emails. New York is the largest hub.

This list covers company matches for tax audit firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
6,039Companies
107,079Contacts tracked
28,919Verified emails
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The 25 largest tax audit firms based in the United States

Ranked by team size
Top 25 of 6,039 company matches for tax audit firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchKansas City, MO, United StatesHQ recorded Sep 22, 202610001+59,451 contacts →

Exact match

“H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchUnited StatesHQ recorded Sep 22, 20261,001-5,0003,643 contacts →

Exact match

“We’re Eide Bailly (I’d bay-lee), a business advisory, accounting and technology firm built with our clients in mind.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchIndianapolis, IN, United StatesHQ recorded Sep 22, 2026501-1,000788 contacts →

Exact match

“KSM (Katz, Sapper & Miller) is a nationally recognized advisory, tax, and audit firm.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchAtlanta, GA, United StatesHQ recorded Sep 22, 2026201-500558 contacts →

Exact match

“Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchAtlanta, GA, United StatesHQ recorded Sep 22, 2026501-1,000413 contacts →

Exact match

“Smith + Howard is a tax, accounting, advisory, and consulting firm headquartered in Atlanta, with a global presence.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchPalo Alto, CA, United StatesHQ recorded Sep 22, 2026201-500399 contacts →

Exact match

“Originating from the English and Latin roots of “apercu,” an act of insight, and “census,” an applied study of wealth and property, Apercen is a tax consulting firm offering high…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchExton, PA, United StatesHQ recorded Sep 22, 2026501-1,000364 contacts →

Exact match

“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchMiami, FL, United StatesHQ recorded Sep 22, 2026201-500361 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchSterling, VA, United StatesHQ recorded Sep 22, 2026201-500347 contacts →

Exact match

“Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchOrem, UT, United StatesHQ recorded Sep 22, 2026201-500297 contacts →

Exact match

“Squire is a nationally recognized audit, tax, and business advisory firm serving clients across the U.S.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchBurbank, CA, United StatesHQ recorded Sep 22, 2026201-500282 contacts →

Exact match

“Listen, then advise.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Sep 22, 2026501-1,000269 contacts →

Exact match

“Growth exposes financial weakness.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchCharlotte, NC, United StatesHQ recorded Sep 22, 202651-200266 contacts →

Exact match

“With over 550 clients in 24 states, Tax Management Associates (TMA) is a leader in assisting state and local governments to maximize their revenue streams.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchBethesda, MD, United StatesHQ recorded Sep 22, 2026201-500254 contacts →

Exact match

“Calibre CPA Group is a national accounting and advisory firm serving associations, not-for-profit organizations, labor unions, employee benefit plans, and business enterprises.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchRaleigh, NC, United StatesHQ recorded Sep 22, 2026201-500231 contacts →

Exact match

“Thomas, Judy and Tucker, P.A.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchFayetteville, AR, United StatesHQ recorded Sep 22, 202651-200206 contacts →

Exact match

“Zenwork, through its Tax1099 and Compliancely brands, is a fast-growing digital tax compliance and regulatory reporting technology company, with 10+ years of experience powering…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchGreensboro, NC, United StatesHQ recorded Sep 22, 202651-200192 contacts →

Exact match

“DMJPS PLLC is a tax, assurance, and business advisory firm that routinely solves complex matters for individuals, privately-held businesses, and corporations with a wide range of…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchElk Grove Village, IL, United StatesHQ recorded Sep 22, 202651-200191 contacts →

Exact match

“Porte Brown LLC is a full service accounting and consulting firm headquartered in the Chicago suburb of Elk Grove Village, Illinois.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchGlendale, CA, United StatesHQ recorded Sep 22, 202651-200187 contacts →

Exact match

“Hutchinson and Bloodgood LLP is a leading firm of Certified Public Accountants and Consultants providing Tax Planning, Auditing, Technology Consulting, Human Resources and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchCleveland, OH, United StatesHQ recorded Sep 22, 202651-200183 contacts →

Exact match

“Pease Bell is a rapidly growing mid-sized accounting firm serving an expanding nationwide client base.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchIrvine, CA, United StatesHQ recorded Sep 22, 202651-200178 contacts →

Exact match

“LSL provides solid guidance, support & solutions to businesses, governments and non-profits.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchWestchester, IL, United StatesHQ recorded Sep 22, 202651-200174 contacts →

Exact match

“Legacy Professionals LLP, headquartered in Westchester, IL, with offices in Schererville, IN, and Edina, MN, is a Certified Public Accounting firm serving clients nationwide.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchEast Brunswick, NJ, United StatesHQ recorded Sep 22, 202651-200172 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchCanfield, OH, United StatesHQ recorded Sep 22, 202651-200162 contacts →

Exact match

“DGPerry CPAs + Advisors, ranked among the nation’s top accounting firms, operates offices in Florida, Ohio, Pennsylvania, and New York.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchPortland, OR, United StatesHQ recorded Sep 22, 202651-200160 contacts →

Exact match

“We’re a Portland-based accounting firm with a 90+ year legacy, and we’re continuing to grow and evolve every day.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 6,039 tax audit firms based in the United States

See the full list, filter by size, metro and specialty, and access 28,919 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax audit firms based in the United States at a glance

As of Sep 22, 2026
27.0%Verified-email coverage
17.7Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · New York
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
4,109
11-50
1,536
51-200
280
201-500
34
501-1,000
9
1,001-5,000
7
5,001-10,000
2
10001+
3

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 6,039 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “tax audit firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 28,919 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax audit firms are there based in the United States?

RevenueBase identified 6,039 company matches for tax audit firms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

H&r Block tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax audit firms?

New York leads with 163 company records, followed by Houston (118) and Miami (80).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 28,919 professional contacts with verified work emails tracked across these 6,039 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.