Company lists · Data refreshed October 2026

Top 25 Irs audit defense firms worldwide

Name: Irs audit defense firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 17, 2026 8,102 companies tracked

RevenueBase identified 8,102 company matches for irs audit defense firms worldwide as of October 2026 and tracks 43,613 professional contacts across them, including 12,632 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for irs audit defense firms worldwide, 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 October 17, 2026. Country and city lists for irs audit defense firms follow the table.

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 Oct 17, 2026 How this list was built

8,102Companies

43,613Contacts tracked

12,632Verified emails

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The 25 largest irs audit defense firms worldwide

Ranked by team size

Top 25 of 8,102 company matches for irs audit defense firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Chevez	Exact match	Mexico City, MexicoHQ recorded Oct 17, 2026	501-1,000	708 contacts →
	Exact match “Chevez Ruiz Zamarripa, es una firma especializada en la Asesoría y Consultoría Fiscal de alto nivel, que se distingue por prestar servicios personalizados con total…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
2	Smith Howard	Exact match	Atlanta, GA, United StatesHQ recorded Oct 17, 2026	501-1,000	487 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 · Oct 17, 2026 · View company records in RevenueBase
3	Cohesive	Exact match	Exton, PA, United StatesHQ recorded Oct 17, 2026	501-1,000	362 contacts →
	Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
4	Ecovis Deutschland	Exact match	Berlin, GermanyHQ recorded Oct 17, 2026	1,001-5,000	343 contacts →
	Exact match “Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
5	TAX Relief Advocates	Exact match	Irvine, CA, United StatesHQ recorded Oct 17, 2026	1,001-5,000	312 contacts →
	Exact match “We help people with tax debt, wage garnishments, bank levies, audits and much more.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
6	Taxprime	Exact match	Jakarta Selatan, IndonesiaHQ recorded Oct 17, 2026	201-500	299 contacts →
	Exact match “TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
7	Mayatax	Exact match	Houston, TX, United StatesHQ recorded Oct 17, 2026	501-1,000	244 contacts →
	Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
8	Garrido Licona Y Asociados S.C	Exact match	México, MexicoHQ recorded Oct 17, 2026	201-500	243 contacts →
	Exact match “Nuestra misión es brindar asesoría fiscal, legal, financiera y de negocios a empresas nacionales e internacionales y nos caracterizamos por lograr “Resultados Óptimos” y brindar…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
9	KE Andrews	Exact match	Dallas, TX, United StatesHQ recorded Oct 17, 2026	201-500	233 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 · Oct 17, 2026 · View company records in RevenueBase
10	Roth&co	Exact match	Lakewood, NJ, United StatesHQ recorded Oct 17, 2026	201-500	218 contacts →
	Exact match “Roth & Co is a top-150 U.S.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
11	ADS Allgemeine Deutsche Steuerberatungsgesellschaft MBH	Exact match	Hamburg, GermanyHQ recorded Oct 17, 2026	501-1,000	197 contacts →
	Exact match “Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
12	Ecovis KSO	Exact match	Düsseldorf, GermanyHQ recorded Oct 17, 2026	501-1,000	182 contacts →
	Exact match “Tax Advisory, Legal Advisory, Audit & Business Consulting Four disciplines.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13	Ecovis Malaysia	Exact match	Kuala Lumpur, MalaysiaHQ recorded Oct 17, 2026	51-200	173 contacts →
	Exact match “ECOVIS is a leading global consulting firm with its origins in Continental Europe.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
14	Community Tax, LLC	Exact match	Jacksonville, FL, United StatesHQ recorded Oct 17, 2026	201-500	170 contacts →
	Exact match “Since 2010, Community Tax has helped individuals and businesses across the United States navigate complex tax matters with clarity and confidence.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
15	Assessor-Bordin Consultores Empresariais SS	Exact match	São Paulo, BrazilHQ recorded Oct 17, 2026	51-200	166 contacts →
	Exact match “ABordin has provided high-quality services in the following areas, for the past 37 years: Business Process Outsourcing, Audit and Tax Consulting, Individual Income Tax…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
16	Certacon	Exact match	Sao Paulo, BrazilHQ recorded Oct 17, 2026	51-200	156 contacts →
	Exact match “A Certacon nasceu da união de profissionais altamente experientes aliado aos melhores e mais completos softwares do mercado, com o propósito de prestar serviços nas áreas…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
17	Funaro & CO	Exact match	New York, NY, United StatesHQ recorded Oct 17, 2026	51-200	144 contacts →
	Exact match “Founded in 1947, Funaro & Co.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
18	Alleviate TAX	Exact match	Irvine, CA, United StatesHQ recorded Oct 17, 2026	201-500	143 contacts →
	Exact match “We care about people.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
19	KWC Cpas	Exact match	Alexandria, VA, United StatesHQ recorded Oct 17, 2026	51-200	143 contacts →
	Exact match “KWC is a team of accountants and advisors all dedicated to the founding principle of providing Quality Personal Service.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
20	HSJ Accountants, Business & TAX Advisors	Exact match	Newport, United KingdomHQ recorded Oct 17, 2026	51-200	142 contacts →
	Exact match “Award winning accountants & tax advisors based in Newport, South Wales.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
21	TAX Defense Network, LLC	Exact match	Jacksonville, FL, United StatesHQ recorded Oct 17, 2026	201-500	139 contacts →
	Exact match “Since 2007, Tax Defense Network's team of licensed tax professionals has helped hundreds of thousands of taxpayers and small business owners resolve their IRS issues, including…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
22	CCL Auditores Consultores	Exact match	Las Condes, ChileHQ recorded Oct 17, 2026	51-200	137 contacts →
	Exact match “CCL Auditores Consultores nace con el propósito de ofrecer al mercado una alternativa de servicios altamente calificados, respaldada por un equipo con amplia y sólida experiencia…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
23	Omni TAX Solutions	Exact match	Broomfield, CO, United StatesHQ recorded Oct 17, 2026	51-200	136 contacts →
	Exact match “Your tax debt resolution partner.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
24	Taxaudit	Exact match	Folsom, CA, United StatesHQ recorded Oct 17, 2026	201-500	125 contacts →
	Exact match “TaxAudit.com is brought to you by the audit experts at TaxResources, Inc.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
25	Anthem TAX Services	Exact match	Los Angeles, CA, United StatesHQ recorded Oct 17, 2026	51-200	124 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 · Oct 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “irs audit defense firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 8,102 irs audit defense firms worldwide

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Irs audit defense firms worldwide at a glance

As of Oct 17, 2026

29.0%Verified-email coverage

5.4Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Sao Paulo

Oct 17, 2026Page data refreshed

Companies by employee count

1-10

5,300

11-50

2,222

51-200

404

201-500

501-1,000

1,001-5,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for irs audit defense firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “irs audit defense 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. 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 12,632 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 October 17, 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.

Irs audit defense firms by location

42 lists · largest first

Every Irs audit defense firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “irs audit defense firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many irs audit defense firms are there worldwide?

RevenueBase identified 8,102 company matches for irs audit defense firms worldwide as of October 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?

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

Which country has the most irs audit defense firms?

The United States leads with 3,278 companies, followed by Germany (1,339) and Brazil (426). Every irs audit defense firms list by country and city is linked on this page.

Which city has the most irs audit defense firms?

Sao Paulo leads with 108 company records, followed by Houston (97) and New York (86).

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 12,632 professional contacts with verified work emails tracked across these 8,102 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 October 17, 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.