Company lists · Data refreshed November 2026
Top 25 Tax controversy specialists worldwide
RevenueBase identified 3,134 company matches for tax controversy specialists worldwide as of November 2026 and tracks 22,138 professional contacts across them, including 8,575 with verified work emails. The United States is the largest market and Berlin the largest hub.
This list covers company matches for tax controversy specialists 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 specialists 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 specialists 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 | 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 | |||||
| 3 | 251 contacts → | ||||
Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 234 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 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 | |||||
| 6 | 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 | |||||
| 7 | 138 contacts → | ||||
Exact match “Your tax debt resolution partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 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 | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 91 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 90 contacts → | ||||
Exact match “Protecting Finances Leading Tax Debt Relief Experts | IRS & State Resolution Specialists Settle Tax Debt & Regain Stability We help individuals and businesses navigate complex tax…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 79 contacts → | ||||
Exact match “A KBL Accounting foi fundada em 2007, oferecendo soluções nas áreas de contabilidade empresarial e assessoria jurídica tributária.Atualmente, atendemos clientes do segmento…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 79 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 67 contacts → | ||||
Exact match “At Omni Tax Help, we provide expert, personalized solutions to resolve tax challenges for individuals and businesses nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 67 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 66 contacts → | ||||
Exact match “Elevate your tax relief experience with our dedicated and seasoned Better Tax Relief team.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 65 contacts → | ||||
Exact match “Somos un estudio moderno y eficiente, con reconocido liderazgo nacional e internacional en la práctica tributaria y de negocios.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 64 contacts → | ||||
Exact match “Unsere Steuerberater in Köln, Düsseldorf, Frankfurt, Bonn und Dubai haben sich besonders auf die Steuerberatung von Kapitalgesellschaften und Personengesellschaften spezialisiert.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 54 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 53 contacts → | ||||
Exact match “A gestão tributária eficaz é um dos pilares mais determinantes para a sustentabilidade e o crescimento das organizações.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 52 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 51 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 47 contacts → | ||||
Exact match “Fundada em 1993, a Contjet vem traçando estratégias, sempre buscando a melhor alternativa para os objetivos dos clientes, e isso tem sido nossa característica primordial, o que…” 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 specialists”. 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 3,134 tax controversy specialists worldwide
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Tax controversy specialists 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 specialists are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “tax controversy specialists” 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 8,575 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 specialists by location
18 lists · largest firstEvery Tax controversy specialists list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax controversy specialists based in the United States1,266
- Tax controversy specialists based in Germany576
- Tax controversy specialists based in Brazil121
- Tax controversy specialists based in India72
- Tax controversy specialists based in Indonesia70
- Tax controversy specialists based in Canada62
- Tax controversy specialists based in Italy58
- Tax controversy specialists based in Austria57
- Tax controversy specialists based in the United Kingdom51
- Tax controversy specialists based in Australia40
- Tax controversy specialists based in Poland35
- Tax controversy specialists based in the Netherlands31
Cities
- Tax controversy specialists based in Berlin, Germany40
- Tax controversy specialists based in New York, United States38
- Tax controversy specialists based in Houston, United States35
- Tax controversy specialists based in Los Angeles, United States32
- Tax controversy specialists based in Sao Paulo, Brazil30
- Tax controversy specialists based in Munich, Germany25
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 specialists”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tax controversy specialists are there worldwide?
RevenueBase identified 3,134 company matches for tax controversy specialists 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 specialists?
The United States leads with 1,266 companies, followed by Germany (576) and Brazil (121). Every tax controversy specialists list by country and city is linked on this page.
Which city has the most tax controversy specialists?
Berlin leads with 41 company records, followed by New York (38) and Houston (35).
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 8,575 professional contacts with verified work emails tracked across these 3,134 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 3,134 tax controversy specialists 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.
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Company intelligence · public preview
Top 25 tax controversy specialists worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,134 matching company records for tax controversy specialists worldwide, with 22,138 tracked contacts and 8,575 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 specialists 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 |  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. | |||||
| 3 |  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. | |||||
| 4 |  KE Andrewskeatax.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 234 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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. | |||||
| 6 | 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. | |||||
| 7 |  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. | |||||
| 8 |  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. | |||||
| 9 |  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. | |||||
| 10 |  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. | |||||
| 11 |  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. | |||||
| 12 |  Neil Jesani Advisors, INCneiljesani.comHQ: Sunrise, NV, United StatesReported employees: 201-500 | Sunrise, NV, United States | 201-500 | Exact match | 91 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Priority TAX Reliefprioritytaxrelief.comHQ: Spokane, WA, United StatesReported employees: 201-500 | Spokane, WA, United States | 201-500 | Exact match | 90 contacts → |
“Protecting Finances Leading Tax Debt Relief Experts | IRS & State Resolution Specialists Settle Tax Debt & Regain Stability We help individuals and businesses navigate complex tax…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | KBL Accountingkblcontabilidade.com.br HQ: Goiania, BrazilReported employees: 51-200 | Goiania, Brazil | 51-200 | Exact match | 79 contacts → |
“A KBL Accounting foi fundada em 2007, oferecendo soluções nas áreas de contabilidade empresarial e assessoria jurídica tributária.Atualmente, atendemos clientes do segmento…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  R&g Brenner TAX Accountingrgbrenner.comHQ: Valley Stream, NY, United StatesReported employees: 51-200 | Valley Stream, NY, United States | 51-200 | Exact match | 79 contacts → |
“Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Omni TAX Helpomnitaxhelp.comHQ: Vero Beach, FL, United StatesReported employees: 51-200 | Vero Beach, FL, United States | 51-200 | Exact match | 67 contacts → |
“At Omni Tax Help, we provide expert, personalized solutions to resolve tax challenges for individuals and businesses nationwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Idealtaxidealtax.comHQ: Costa Mesa, CA, United StatesReported employees: 51-200 | Costa Mesa, CA, United States | 51-200 | Exact match | 67 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Better TAX Reliefbettertaxrelief.comHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 66 contacts → |
“Elevate your tax relief experience with our dedicated and seasoned Better Tax Relief team.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Fischer Y CIAfycom.clHQ: Santiago, ChileReported employees: 51-200 | Santiago, Chile | 51-200 | Exact match | 65 contacts → |
“Somos un estudio moderno y eficiente, con reconocido liderazgo nacional e internacional en la práctica tributaria y de negocios.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 64 contacts → |
“Unsere Steuerberater in Köln, Düsseldorf, Frankfurt, Bonn und Dubai haben sich besonders auf die Steuerberatung von Kapitalgesellschaften und Personengesellschaften spezialisiert.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Wiggam LAW TAX Resolution Attorneyswiggamlaw.comHQ: Atlanta, GA, United StatesReported employees: 11-50 | Atlanta, GA, United States | 11-50 | Exact match | 54 contacts → |
“Wiggam Law focuses on representing individuals, businesses, officers, directors, shareholders, and partners in matters concerning the Internal Revenue Service (IRS), the Georgia…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Tndv Grouptndv.com.brHQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 53 contacts → |
“A gestão tributária eficaz é um dos pilares mais determinantes para a sustentabilidade e o crescimento das organizações.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Clear Start TAXclearstarttax.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 52 contacts → |
“At Clear Start Tax Relief, our mission is to provide comprehensive and compassionate tax resolution services to individuals and businesses nationwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Think LLPthinkllp.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 51 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Contjetcontjet.com.brHQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 47 contacts → |
“Fundada em 1993, a Contjet vem traçando estratégias, sempre buscando a melhor alternativa para os objetivos dos clientes, e isso tem sido nossa característica primordial, o que…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,134 company matches
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Tax controversy specialists: 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
3,030 records in the displayed employee bands.
104 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 3,134 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 specialists by location
18 lists · largest firstEvery Tax controversy specialists list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax controversy specialists based in the United States1,266
- Tax controversy specialists based in Germany576
- Tax controversy specialists based in Brazil121
- Tax controversy specialists based in India72
- Tax controversy specialists based in Indonesia70
- Tax controversy specialists based in Canada62
- Tax controversy specialists based in Italy58
- Tax controversy specialists based in Austria57
- Tax controversy specialists based in the United Kingdom51
- Tax controversy specialists based in Australia40
- Tax controversy specialists based in Poland35
- Tax controversy specialists based in the Netherlands31
Cities
- Tax controversy specialists based in Berlin, Germany40
- Tax controversy specialists based in New York, United States38
- Tax controversy specialists based in Houston, United States35
- Tax controversy specialists based in Los Angeles, United States32
- Tax controversy specialists based in Sao Paulo, Brazil30
- Tax controversy specialists based in Munich, Germany25
Questions about this company list
What does Exact match mean for tax controversy specialists?
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 specialists did RevenueBase find worldwide?
The saved snapshot records 3,134 matching company records, 22,138 tracked contacts and 8,575 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.
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Cite this list
RevenueBase Data Team. Top 25 tax controversy specialists worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/tax-controversy-specialists.
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 specialists worldwide
RevenueBase records 3,134 matching company records for tax controversy specialists worldwide, with 22,138 tracked contacts and 8,575 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 specialists 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 | 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. | |||||
| 3 | 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. | |||||
| 4 | KE Andrewskeatax.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 234 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | Neil Jesani Advisors, INCneiljesani.com HQ: Sunrise, NV, United StatesReported employees: 201-500 | Sunrise, NV, United States | 201-500 | Exact match | 91 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Priority TAX Reliefprioritytaxrelief.com HQ: Spokane, WA, United StatesReported employees: 201-500 | Spokane, WA, United States | 201-500 | Exact match | 90 contacts → |
“Protecting Finances Leading Tax Debt Relief Experts | IRS & State Resolution Specialists Settle Tax Debt & Regain Stability We help individuals and businesses navigate complex tax…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | KBL Accountingkblcontabilidade.com.br HQ: Goiania, BrazilReported employees: 51-200 | Goiania, Brazil | 51-200 | Exact match | 79 contacts → |
“A KBL Accounting foi fundada em 2007, oferecendo soluções nas áreas de contabilidade empresarial e assessoria jurídica tributária.Atualmente, atendemos clientes do segmento…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | R&g Brenner TAX Accountingrgbrenner.com HQ: Valley Stream, NY, United StatesReported employees: 51-200 | Valley Stream, NY, United States | 51-200 | Exact match | 79 contacts → |
“Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Omni TAX Helpomnitaxhelp.com HQ: Vero Beach, FL, United StatesReported employees: 51-200 | Vero Beach, FL, United States | 51-200 | Exact match | 67 contacts → |
“At Omni Tax Help, we provide expert, personalized solutions to resolve tax challenges for individuals and businesses nationwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Idealtaxidealtax.com HQ: Costa Mesa, CA, United StatesReported employees: 51-200 | Costa Mesa, CA, United States | 51-200 | Exact match | 67 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Better TAX Reliefbettertaxrelief.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 66 contacts → |
“Elevate your tax relief experience with our dedicated and seasoned Better Tax Relief team.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Fischer Y CIAfycom.cl HQ: Santiago, ChileReported employees: 51-200 | Santiago, Chile | 51-200 | Exact match | 65 contacts → |
“Somos un estudio moderno y eficiente, con reconocido liderazgo nacional e internacional en la práctica tributaria y de negocios.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 64 contacts → |
“Unsere Steuerberater in Köln, Düsseldorf, Frankfurt, Bonn und Dubai haben sich besonders auf die Steuerberatung von Kapitalgesellschaften und Personengesellschaften spezialisiert.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Wiggam LAW TAX Resolution Attorneyswiggamlaw.com HQ: Atlanta, GA, United StatesReported employees: 11-50 | Atlanta, GA, United States | 11-50 | Exact match | 54 contacts → |
“Wiggam Law focuses on representing individuals, businesses, officers, directors, shareholders, and partners in matters concerning the Internal Revenue Service (IRS), the Georgia…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Tndv Grouptndv.com.br HQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 53 contacts → |
“A gestão tributária eficaz é um dos pilares mais determinantes para a sustentabilidade e o crescimento das organizações.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Clear Start TAXclearstarttax.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 52 contacts → |
“At Clear Start Tax Relief, our mission is to provide comprehensive and compassionate tax resolution services to individuals and businesses nationwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Think LLPthinkllp.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 51 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Contjetcontjet.com.br HQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 47 contacts → |
“Fundada em 1993, a Contjet vem traçando estratégias, sempre buscando a melhor alternativa para os objetivos dos clientes, e isso tem sido nossa característica primordial, o que…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,134 company matches
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Tax controversy specialists: 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
3,030 records in the displayed employee bands.
104 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 3,134 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 specialists by location
18 lists · largest firstEvery Tax controversy specialists list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax controversy specialists based in the United States1,266
- Tax controversy specialists based in Germany576
- Tax controversy specialists based in Brazil121
- Tax controversy specialists based in India72
- Tax controversy specialists based in Indonesia70
- Tax controversy specialists based in Canada62
- Tax controversy specialists based in Italy58
- Tax controversy specialists based in Austria57
- Tax controversy specialists based in the United Kingdom51
- Tax controversy specialists based in Australia40
- Tax controversy specialists based in Poland35
- Tax controversy specialists based in the Netherlands31
Cities
- Tax controversy specialists based in Berlin, Germany40
- Tax controversy specialists based in New York, United States38
- Tax controversy specialists based in Houston, United States35
- Tax controversy specialists based in Los Angeles, United States32
- Tax controversy specialists based in Sao Paulo, Brazil30
- Tax controversy specialists based in Munich, Germany25
Questions about this company list
What does Exact match mean for tax controversy specialists?
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 specialists did RevenueBase find worldwide?
The saved snapshot records 3,134 matching company records, 22,138 tracked contacts and 8,575 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.
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Cite this list
RevenueBase Data Team. Top 25 tax controversy specialists worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/tax-controversy-specialists.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗