Company lists · Data refreshed November 2026
Top 25 Tax controversy advisors worldwide
RevenueBase identified 5,961 company matches for tax controversy advisors worldwide as of November 2026 and tracks 39,106 professional contacts across them, including 13,073 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for tax controversy advisors 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 November 6, 2026. Country and city lists for tax controversy advisors 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.
The 25 largest tax controversy advisors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,580 contacts → | ||||
Exact match “Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 740 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 386 contacts → | ||||
Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 251 contacts → | ||||
Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 248 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 242 contacts → | ||||
Exact match “KPMG ACOR TAX is a full-service tax consultancy firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 221 contacts → | ||||
Exact match “Roth & Co is a top-150 U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 219 contacts → | ||||
Exact match “Created in 2004, ARSENE TAXAND offers a cutting edge service in all the firm’s main areas of activity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 206 contacts → | ||||
Exact match “Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 187 contacts → | ||||
Exact match “Stop overpaying the IRS and start fueling your business passions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 180 contacts → | ||||
Exact match “Nuestras asesorías en Cartagena y Murcia están altamente capacitadas para realizar un servicio global de asesoramiento laboral, fiscal y contable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 176 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 175 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 146 contacts → | ||||
Exact match “Award winning accountants & tax advisors based in Newport, South Wales.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 139 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 138 contacts → | ||||
Exact match “Your tax debt resolution partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 137 contacts → | ||||
Exact match “TaxAudit.com is brought to you by the audit experts at TaxResources, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 127 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 123 contacts → | ||||
Exact match “Kleeberg is a national and internationally active auditing and tax consulting firm based in Munich.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 116 contacts → | ||||
Exact match “Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 112 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 102 contacts → | ||||
Exact match “Maisto e Associati is an independent Italian law firm specialised in tax law.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 98 contacts → | ||||
Exact match “Ryan Law is headquartered in Plano, Texas, with offices across the United States and Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 98 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 93 contacts → | ||||
Exact match “Der Steuerring e.V.” Recorded in the RevenueBase company graph · Nov 6, 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 “tax controversy advisors”. 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 5,961 tax controversy advisors worldwide
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Tax controversy advisors worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 tax controversy advisors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “tax controversy advisors” 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 13,073 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 November 6, 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.
Tax controversy advisors by location
36 lists · largest firstEvery Tax controversy advisors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax controversy advisors based in the United States1,317
- Tax controversy advisors based in Germany1,312
- Tax controversy advisors based in Brazil455
- Tax controversy advisors based in Italy293
- Tax controversy advisors based in India183
- Tax controversy advisors based in Spain171
- Tax controversy advisors based in the Netherlands158
- Tax controversy advisors based in Austria124
- Tax controversy advisors based in Indonesia112
- Tax controversy advisors based in Mexico110
- Tax controversy advisors based in Poland105
- Tax controversy advisors based in the United Kingdom95
- Tax controversy advisors based in Canada76
- Tax controversy advisors based in France75
- Tax controversy advisors based in Australia67
- Tax controversy advisors based in Chile60
- Tax controversy advisors based in Colombia35
- Tax controversy advisors based in Switzerland32
- Tax controversy advisors based in Türkiye28
- Tax controversy advisors based in Israel27
- Tax controversy advisors based in Belgium26
Cities
- Tax controversy advisors based in Sao Paulo, Brazil113
- Tax controversy advisors based in Berlin, Germany73
- Tax controversy advisors based in Munich, Germany62
- Tax controversy advisors based in Hamburg, Germany50
- Tax controversy advisors based in Milan, Italy48
- Tax controversy advisors based in New York, United States44
- Tax controversy advisors based in Paris, France44
- Tax controversy advisors based in Houston, United States41
- Tax controversy advisors based in Porto Alegre, Brazil38
- Tax controversy advisors based in Rome, Italy38
- Tax controversy advisors based in Warsaw, Poland36
- Tax controversy advisors based in Los Angeles, United States31
- Tax controversy advisors based in Cologne, Germany30
- Tax controversy advisors based in London, United Kingdom29
- Tax controversy advisors based in Vienna, Austria27
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 controversy advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tax controversy advisors are there worldwide?
RevenueBase identified 5,961 company matches for tax controversy advisors worldwide as of November 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?
RYAN tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most tax controversy advisors?
The United States leads with 1,317 companies, followed by Germany (1,312) and Brazil (455). Every tax controversy advisors list by country and city is linked on this page.
Which city has the most tax controversy advisors?
Sao Paulo leads with 113 company records, followed by Berlin (73) and Munich (62).
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 13,073 professional contacts with verified work emails tracked across these 5,961 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 5,961 tax controversy advisors worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 tax controversy advisors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,961 matching company records for tax controversy advisors worldwide, with 39,106 tracked contacts and 13,073 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tax controversy advisors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  RYANryan.comHQ: Dallas, CT, United StatesReported employees: 5,001-10,000 | Dallas, CT, United States | 5,001-10,000 | Exact match | 6,580 contacts → |
“Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Chevezchevez.comHQ: Mexico City, MexicoReported employees: 501-1,000 | Mexico City, Mexico | 501-1,000 | Exact match | 740 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Cohesivecohesivesolutions.comHQ: Exton, GA, United StatesReported employees: 501-1,000 | Exton, GA, United States | 501-1,000 | Exact match | 386 contacts → |
“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Mayataxmayatax.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 251 contacts → |
“Growth exposes financial weakness.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Garrido Licona Y Asociados S.Cgarridolicona.comHQ: México, MexicoReported employees: 201-500 | México, Mexico | 201-500 | Exact match | 248 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Kpmg Acor TAXkpmgacor.dkHQ: 2900 Hellerup, DenmarkReported employees: 201-500 | 2900 Hellerup, Denmark | 201-500 | Exact match | 242 contacts → |
“KPMG ACOR TAX is a full-service tax consultancy firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Roth&corothcocpa.comHQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 221 contacts → |
“Roth & Co is a top-150 U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Arsene Taxandarsene-taxand.comHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 219 contacts → |
“Created in 2004, ARSENE TAXAND offers a cutting edge service in all the firm’s main areas of activity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Hamburg, GermanyReported employees: 501-1,000 | Hamburg, Germany | 501-1,000 | Exact match | 206 contacts → |
“Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Incite TAXincitetax.comHQ: Draper, UT, United StatesReported employees: 201-500 | Draper, UT, United States | 201-500 | Exact match | 187 contacts → |
“Stop overpaying the IRS and start fueling your business passions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  NIN DE Cardona, S.Lnindecardona.comHQ: Cartagena, SpainReported employees: Not recorded | Cartagena, Spain | Not recorded | Exact match | 180 contacts → |
“Nuestras asesorías en Cartagena y Murcia están altamente capacitadas para realizar un servicio global de asesoramiento laboral, fiscal y contable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Community Tax, LLCc.taxHQ: Jacksonville, FL, United StatesReported employees: 201-500 | Jacksonville, FL, United States | 201-500 | Exact match | 176 contacts → |
“Since 2010, Community Tax has helped individuals and businesses across the United States navigate complex tax matters with clarity and confidence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Assessor-Bordin Consultores Empresariais SSabordin.com.brHQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 175 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  HSJ Accountants, Business & TAX Advisorshsjaccountants.co.ukHQ: Newport, United KingdomReported employees: 51-200 | Newport, United Kingdom | 51-200 | Exact match | 146 contacts → |
“Award winning accountants & tax advisors based in Newport, South Wales.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  CCL Auditores Consultorescclac.clHQ: Las Condes, ChileReported employees: 51-200 | Las Condes, Chile | 51-200 | Exact match | 139 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Omni TAX Solutionsomnitaxsolutions.comHQ: Broomfield, CO, United StatesReported employees: 51-200 | Broomfield, CO, United States | 51-200 | Exact match | 138 contacts → |
“Your tax debt resolution partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Taxaudittaxaudit.comHQ: Folsom, CA, United StatesReported employees: 201-500 | Folsom, CA, United States | 201-500 | Exact match | 137 contacts → |
“TaxAudit.com is brought to you by the audit experts at TaxResources, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Anthem TAX Servicesanthemtaxservices.comHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 127 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Dr. Kleeberg & Partner Gmbh WPG Stbgkleeberg.deHQ: Munich, GermanyReported employees: 201-500 | Munich, Germany | 201-500 | Exact match | 123 contacts → |
“Kleeberg is a national and internationally active auditing and tax consulting firm based in Munich.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Thorsteinssons TAX Lawyersthor.caHQ: Vancouver, ON, CanadaReported employees: 51-200 | Vancouver, ON, Canada | 51-200 | Exact match | 116 contacts → |
“Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Protection Plustaxprotectionplus.comHQ: Winston Salem, NC, United StatesReported employees: 51-200 | Winston Salem, NC, United States | 51-200 | Exact match | 112 contacts → |
“Protection Plus provides top-tier tax resolution services, offering up to in services to resolve IRS notices, inquiries, and audits.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Maisto E Associatimaisto.itHQ: Milan, ItalyReported employees: 51-200 | Milan, Italy | 51-200 | Exact match | 102 contacts → |
“Maisto e Associati is an independent Italian law firm specialised in tax law.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ryan LAW Firm, Pllcryanlawyers.comHQ: Plano, IL, United StatesReported employees: 51-200 | Plano, IL, United States | 51-200 | Exact match | 98 contacts → |
“Ryan Law is headquartered in Plano, Texas, with offices across the United States and Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  20 20 TAX Resolution2020taxresolution.comHQ: Broomfield, CO, United StatesReported employees: 51-200 | Broomfield, CO, United States | 51-200 | Exact match | 98 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Steuerring E.V. Lohnsteuerhilfevereinkarriere.steuerring.deHQ: Darmstadt, GermanyReported employees: 1,001-5,000 | Darmstadt, Germany | 1,001-5,000 | Exact match | 93 contacts → |
“Der Steuerring e.V.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,961 company matches
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Tax controversy advisors: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
5,772 records in the displayed employee bands.
189 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 5,961 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Tax controversy advisors by location
36 lists · largest firstEvery Tax controversy advisors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax controversy advisors based in the United States1,317
- Tax controversy advisors based in Germany1,312
- Tax controversy advisors based in Brazil455
- Tax controversy advisors based in Italy293
- Tax controversy advisors based in India183
- Tax controversy advisors based in Spain171
- Tax controversy advisors based in the Netherlands158
- Tax controversy advisors based in Austria124
- Tax controversy advisors based in Indonesia112
- Tax controversy advisors based in Mexico110
- Tax controversy advisors based in Poland105
- Tax controversy advisors based in the United Kingdom95
- Tax controversy advisors based in Canada76
- Tax controversy advisors based in France75
- Tax controversy advisors based in Australia67
- Tax controversy advisors based in Chile60
- Tax controversy advisors based in Colombia35
- Tax controversy advisors based in Switzerland32
- Tax controversy advisors based in Türkiye28
- Tax controversy advisors based in Israel27
- Tax controversy advisors based in Belgium26
Cities
- Tax controversy advisors based in Sao Paulo, Brazil113
- Tax controversy advisors based in Berlin, Germany73
- Tax controversy advisors based in Munich, Germany62
- Tax controversy advisors based in Hamburg, Germany50
- Tax controversy advisors based in Milan, Italy48
- Tax controversy advisors based in New York, United States44
- Tax controversy advisors based in Paris, France44
- Tax controversy advisors based in Houston, United States41
- Tax controversy advisors based in Porto Alegre, Brazil38
- Tax controversy advisors based in Rome, Italy38
- Tax controversy advisors based in Warsaw, Poland36
- Tax controversy advisors based in Los Angeles, United States31
- Tax controversy advisors based in Cologne, Germany30
- Tax controversy advisors based in London, United Kingdom29
- Tax controversy advisors based in Vienna, Austria27
Questions about this company list
What does Exact match mean for tax controversy advisors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tax controversy advisors did RevenueBase find worldwide?
The saved snapshot records 5,961 matching company records, 39,106 tracked contacts and 13,073 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 tax controversy advisors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/tax-controversy-advisors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 tax controversy advisors worldwide
RevenueBase records 5,961 matching company records for tax controversy advisors worldwide, with 39,106 tracked contacts and 13,073 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tax controversy advisors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | RYANryan.com HQ: Dallas, CT, United StatesReported employees: 5,001-10,000 | Dallas, CT, United States | 5,001-10,000 | Exact match | 6,580 contacts → |
“Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Chevezchevez.com HQ: Mexico City, MexicoReported employees: 501-1,000 | Mexico City, Mexico | 501-1,000 | Exact match | 740 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cohesivecohesivesolutions.com HQ: Exton, GA, United StatesReported employees: 501-1,000 | Exton, GA, United States | 501-1,000 | Exact match | 386 contacts → |
“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Mayataxmayatax.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 251 contacts → |
“Growth exposes financial weakness.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Garrido Licona Y Asociados S.Cgarridolicona.com HQ: México, MexicoReported employees: 201-500 | México, Mexico | 201-500 | Exact match | 248 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Kpmg Acor TAXkpmgacor.dk HQ: 2900 Hellerup, DenmarkReported employees: 201-500 | 2900 Hellerup, Denmark | 201-500 | Exact match | 242 contacts → |
“KPMG ACOR TAX is a full-service tax consultancy firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Roth&corothcocpa.com HQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 221 contacts → |
“Roth & Co is a top-150 U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Arsene Taxandarsene-taxand.com HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 219 contacts → |
“Created in 2004, ARSENE TAXAND offers a cutting edge service in all the firm’s main areas of activity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Hamburg, GermanyReported employees: 501-1,000 | Hamburg, Germany | 501-1,000 | Exact match | 206 contacts → |
“Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Incite TAXincitetax.com HQ: Draper, UT, United StatesReported employees: 201-500 | Draper, UT, United States | 201-500 | Exact match | 187 contacts → |
“Stop overpaying the IRS and start fueling your business passions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NIN DE Cardona, S.Lnindecardona.com HQ: Cartagena, SpainReported employees: Not recorded | Cartagena, Spain | Not recorded | Exact match | 180 contacts → |
“Nuestras asesorías en Cartagena y Murcia están altamente capacitadas para realizar un servicio global de asesoramiento laboral, fiscal y contable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Community Tax, LLCc.tax HQ: Jacksonville, FL, United StatesReported employees: 201-500 | Jacksonville, FL, United States | 201-500 | Exact match | 176 contacts → |
“Since 2010, Community Tax has helped individuals and businesses across the United States navigate complex tax matters with clarity and confidence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Assessor-Bordin Consultores Empresariais SSabordin.com.br HQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 175 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HSJ Accountants, Business & TAX Advisorshsjaccountants.co.uk HQ: Newport, United KingdomReported employees: 51-200 | Newport, United Kingdom | 51-200 | Exact match | 146 contacts → |
“Award winning accountants & tax advisors based in Newport, South Wales.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | CCL Auditores Consultorescclac.cl HQ: Las Condes, ChileReported employees: 51-200 | Las Condes, Chile | 51-200 | Exact match | 139 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Omni TAX Solutionsomnitaxsolutions.com HQ: Broomfield, CO, United StatesReported employees: 51-200 | Broomfield, CO, United States | 51-200 | Exact match | 138 contacts → |
“Your tax debt resolution partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Taxaudittaxaudit.com HQ: Folsom, CA, United StatesReported employees: 201-500 | Folsom, CA, United States | 201-500 | Exact match | 137 contacts → |
“TaxAudit.com is brought to you by the audit experts at TaxResources, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Anthem TAX Servicesanthemtaxservices.com HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 127 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Dr. Kleeberg & Partner Gmbh WPG Stbgkleeberg.de HQ: Munich, GermanyReported employees: 201-500 | Munich, Germany | 201-500 | Exact match | 123 contacts → |
“Kleeberg is a national and internationally active auditing and tax consulting firm based in Munich.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Thorsteinssons TAX Lawyersthor.ca HQ: Vancouver, ON, CanadaReported employees: 51-200 | Vancouver, ON, Canada | 51-200 | Exact match | 116 contacts → |
“Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Protection Plustaxprotectionplus.com HQ: Winston Salem, NC, United StatesReported employees: 51-200 | Winston Salem, NC, United States | 51-200 | Exact match | 112 contacts → |
“Protection Plus provides top-tier tax resolution services, offering up to in services to resolve IRS notices, inquiries, and audits.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Maisto E Associatimaisto.it HQ: Milan, ItalyReported employees: 51-200 | Milan, Italy | 51-200 | Exact match | 102 contacts → |
“Maisto e Associati is an independent Italian law firm specialised in tax law.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ryan LAW Firm, Pllcryanlawyers.com HQ: Plano, IL, United StatesReported employees: 51-200 | Plano, IL, United States | 51-200 | Exact match | 98 contacts → |
“Ryan Law is headquartered in Plano, Texas, with offices across the United States and Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 20 20 TAX Resolution2020taxresolution.com HQ: Broomfield, CO, United StatesReported employees: 51-200 | Broomfield, CO, United States | 51-200 | Exact match | 98 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Steuerring E.V. Lohnsteuerhilfevereinkarriere.steuerring.de HQ: Darmstadt, GermanyReported employees: 1,001-5,000 | Darmstadt, Germany | 1,001-5,000 | Exact match | 93 contacts → |
“Der Steuerring e.V.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,961 company matches
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Tax controversy advisors: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
5,772 records in the displayed employee bands.
189 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 5,961 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Tax controversy advisors by location
36 lists · largest firstEvery Tax controversy advisors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax controversy advisors based in the United States1,317
- Tax controversy advisors based in Germany1,312
- Tax controversy advisors based in Brazil455
- Tax controversy advisors based in Italy293
- Tax controversy advisors based in India183
- Tax controversy advisors based in Spain171
- Tax controversy advisors based in the Netherlands158
- Tax controversy advisors based in Austria124
- Tax controversy advisors based in Indonesia112
- Tax controversy advisors based in Mexico110
- Tax controversy advisors based in Poland105
- Tax controversy advisors based in the United Kingdom95
- Tax controversy advisors based in Canada76
- Tax controversy advisors based in France75
- Tax controversy advisors based in Australia67
- Tax controversy advisors based in Chile60
- Tax controversy advisors based in Colombia35
- Tax controversy advisors based in Switzerland32
- Tax controversy advisors based in Türkiye28
- Tax controversy advisors based in Israel27
- Tax controversy advisors based in Belgium26
Cities
- Tax controversy advisors based in Sao Paulo, Brazil113
- Tax controversy advisors based in Berlin, Germany73
- Tax controversy advisors based in Munich, Germany62
- Tax controversy advisors based in Hamburg, Germany50
- Tax controversy advisors based in Milan, Italy48
- Tax controversy advisors based in New York, United States44
- Tax controversy advisors based in Paris, France44
- Tax controversy advisors based in Houston, United States41
- Tax controversy advisors based in Porto Alegre, Brazil38
- Tax controversy advisors based in Rome, Italy38
- Tax controversy advisors based in Warsaw, Poland36
- Tax controversy advisors based in Los Angeles, United States31
- Tax controversy advisors based in Cologne, Germany30
- Tax controversy advisors based in London, United Kingdom29
- Tax controversy advisors based in Vienna, Austria27
Questions about this company list
What does Exact match mean for tax controversy advisors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tax controversy advisors did RevenueBase find worldwide?
The saved snapshot records 5,961 matching company records, 39,106 tracked contacts and 13,073 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 tax controversy advisors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/tax-controversy-advisors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗