Company lists · Data refreshed September 2026

Top 25 Tax audit defense services based in the United States

RevenueBase identified 1,608 company matches for tax audit defense services associated with the United States as of September 2026 and tracks 7,220 professional contacts across them, including 2,264 with verified work emails. Houston is the largest hub.

This list covers company matches for tax audit defense services 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 19, 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 19, 2026 How this list was built
1,608Companies
7,220Contacts tracked
2,264Verified emails
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The 25 largest tax audit defense services based in the United States

Ranked by team size
Top 25 of 1,608 company matches for tax audit defense services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchExton, PA, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026501-1,000269 contacts →

Exact match

“Growth exposes financial weakness.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchDallas, TX, United StatesHQ recorded Sep 19, 2026201-500224 contacts →

Exact match

“In operation since 1978, KE Andrews is one of the largest state and local tax firms in the country, managing over $500 billion in assets.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchFolsom, CA, United StatesHQ recorded Sep 19, 2026201-500130 contacts →

Exact match

“TaxAudit.com is brought to you by the audit experts at TaxResources, Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchLos Angeles, CA, United StatesHQ recorded Sep 19, 202651-200124 contacts →

Exact match

“Anthem Tax Services (ATS) is one of the highest rated Tax Resolution Companies in the U.S, comprised of professionals who are passionate about representing taxpayers and fighting…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchWinston Salem, NC, United StatesHQ recorded Sep 19, 202651-200110 contacts →

Exact match

“Protection Plus provides top-tier tax resolution services, offering up to in services to resolve IRS notices, inquiries, and audits.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchBroomfield, CO, United StatesHQ recorded Sep 19, 202651-20091 contacts →

Exact match

“Over the past 28 years, 20/20 Tax Resolution has helped over businesses and individuals reach successful resolutions with their IRS and state tax liabilities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchPlano, TX, United StatesHQ recorded Sep 19, 202651-20088 contacts →

Exact match

“Ryan Law is headquartered in Plano, Texas, with offices across the United States and Canada.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchValley Stream, NY, United StatesHQ recorded Sep 19, 202651-20078 contacts →

Exact match

“Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchSunrise, FL, United StatesHQ recorded Sep 19, 202651-20070 contacts →

Exact match

“Neil Jesani Tax Advisors, Inc.(NJA) provides a full suite of tax, compliance, accounting, resolution and advisory services, drawing on extensive industry knowledge to serve high…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchCosta Mesa, CA, United StatesHQ recorded Sep 19, 202651-20069 contacts →

Exact match

“Ideal Tax Solution (ITS) was established with the ideal of helping clients who are suffering through a tax debt issue, easing the stress and anxiety that comes with serious tax…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchIrvine, CA, United StatesHQ recorded Sep 19, 202611-5055 contacts →

Exact match

“Elevate your tax relief experience with our dedicated and seasoned Better Tax Relief team.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 19, 202651-20054 contacts →

Exact match

“Think, LLP is a national professional tax services firm that consists of former Big-4 partners from the national tax practices, attorneys, CPAs, engineers, former IRS technicians…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchBoca Raton, FL, United StatesHQ recorded Sep 19, 202651-20054 contacts →

Exact match

“LerroSarbey, PLLC, a full-service accounting firm located in Boca Raton and Fort Lauderdale, Florida.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchKnoxville, TN, United StatesHQ recorded Sep 19, 202651-20048 contacts →

Exact match

“At The Accounting Lab, we are dedicated to helping individuals and businesses optimize their financial success through effective tax minimization strategies.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Sep 19, 202611-5046 contacts →

Exact match

“Wiggam Law focuses on representing individuals, businesses, officers, directors, shareholders, and partners in matters concerning the Internal Revenue Service (IRS), the Georgia…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchAnnapolis, MD, United StatesHQ recorded Sep 19, 202651-20045 contacts →

Exact match

“Strategic Tax Planning is a premier tax and financial consulting firm in Annapolis, Maryland, serving as a trusted partner for individuals, businesses, and entrepreneurs.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchIrvine, CA, United StatesHQ recorded Sep 19, 202651-20043 contacts →

Exact match

“At Clear Start Tax Relief, our mission is to provide comprehensive and compassionate tax resolution services to individuals and businesses nationwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchGlendale, CA, United StatesHQ recorded Sep 19, 202651-20040 contacts →

Exact match

“With over 50 years of experience, Robert Hall & Associates is your trusted partner for tax preparation and consulting.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchSaint Louis Park, MN, United StatesHQ recorded Sep 19, 202611-5040 contacts →

Exact match

“Myslajek Kemp & Spencer, Ltd.(MKS) delivers innovative solutions with the highest level of client satisfaction in the profession.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchIrvine, CA, United StatesHQ recorded Sep 19, 202651-20037 contacts →

Exact match

“Make sure you get every dollar back from the government.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchPismo Beach, CA, United StatesHQ recorded Sep 19, 202611-5036 contacts →

Exact match

“Caliber Accounting Group is dedicated to providing our clients with the highest caliber of professional services.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Sep 19, 202611-5035 contacts →

Exact match

“See website”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchLewisville, TX, United StatesHQ recorded Sep 19, 2026n/a34 contacts →

Exact match

“Adjusted gross income.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchAustin, TX, United StatesHQ recorded Sep 19, 202611-5032 contacts →

Exact match

“Five Stone Tax is America’s trusted tax adviser, offering full-service tax solutions with the goal of making sure all of our clients pay the lowest amount of taxes legally…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 1,608 tax audit defense services based in the United States

See the full list, filter by size, metro and specialty, and access 2,264 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax audit defense services based in the United States at a glance

As of Sep 19, 2026
31.4%Verified-email coverage
4.5Average contacts per company
1-10Median size (employees)
3.0%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
1,232
11-50
281
51-200
59
201-500
5
501-1,000
4
1,001-5,000
2

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 1,608 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 defense services” 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 2,264 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 19, 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 defense services”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 1,608 company matches for tax audit defense services 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?

Cohesive tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax audit defense services?

Houston leads with 48 company records, followed by Los Angeles (37) and New York (36).

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 2,264 professional contacts with verified work emails tracked across these 1,608 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 19, 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.