Company lists · Data refreshed September 2026
Top 25 Tax administration software vendors worldwide
RevenueBase identified 646 company matches for tax administration software vendors worldwide as of September 2026 and tracks 29,311 professional contacts across them, including 13,066 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for tax administration software vendors 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 September 29, 2026. Country and city lists for tax administration software vendors 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 administration software vendors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,089 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 2,363 contacts → | ||||
Exact match “For 25+ years, we’ve transformed the way government agencies serve their communities, providing software that delivers superior customer experiences, greater flexibility, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 2,068 contacts → | ||||
Exact match “Vertex is the Decision-to-Defense™ global indirect tax and compliance company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 1,587 contacts → | ||||
Exact match “Wolters Kluwer Tax & Accounting U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 789 contacts → | ||||
Exact match “Líder no desenvolvimento e comercialização de softwares para gestão pública, a Betha Sistemas é uma empresa catarinense que atua há 27 anos no mercado nacional.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 561 contacts → | ||||
Exact match “Drake Software, a private company founded in 1977, provides software solutions to over tax and accounting firms that file more than 40 million tax returns every year.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 536 contacts → | ||||
Exact match “Fundada em 1987, a CONTMATIC PHOENIX é uma Empresa em grande expansão nacional especializada no desenvolvimento de Softwares Administrativos, oferecendo soluções necessárias e…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 490 contacts → | ||||
Exact match “Founded in 1991, Synchro offers software and services to support the fiscal area, used by companies in various business segments.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 454 contacts → | ||||
Exact match “Grant Street Group specializes in cloud-based government solutions for tax collection, e-payments, and auctions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 395 contacts → | ||||
Exact match “grupo gtt es una empresa tecnológica especializada en la gestión de tributos.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 309 contacts → | ||||
Exact match “Winman Software India LLP, based in Mangaluru, is engaged in developing and distributing standardized software products with a special focus on income tax software for the Indian…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 302 contacts → | ||||
Exact match “TTI’s flagship product, Tax Series, is an all-inclusive SaaS solution that can handle all aspects of U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 289 contacts → | ||||
Exact match “SurePrep was founded in 2002 and is the leader in 1040 productivity for CPA firms.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 281 contacts → | ||||
Exact match “La tecnología ha transformado a las empresas y ha cambiado para siempre la forma en que los gobiernos regulan.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 268 contacts → | ||||
Exact match “About us BMD is one of the leading software manufacturers in Austria.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 240 contacts → | ||||
Exact match “SNI is a Computer Technology Corporation providing Tax Compliance and Regulatory Reporting softwares, interfaces and technologies around the world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 219 contacts → | ||||
Exact match “The HdL Companies began their legacy of service to public agencies as Hinderliter, de Llamas & Associates in 1983.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 206 contacts → | ||||
Exact match “Zenwork, through its Tax1099 and Compliancely brands, is a fast-growing digital tax compliance and regulatory reporting technology company, with 10+ years of experience powering…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 201 contacts → | ||||
Exact match “Inventyv Software Services Pvt.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 189 contacts → | ||||
Exact match “Systax: The Evolution of Tax Intelligence.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 187 contacts → | ||||
Exact match “Desde 2009, oferecemos soluções inteligentes que aprimoram a rotina de trabalho de profissionais contábeis e tributários, auxiliando na identificação de inconsistências e…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 174 contacts → | ||||
Exact match “Wolters Kluwer, TAA North America US Small Firms is part of Wolters Kluwer Tax & Accounting.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 173 contacts → | ||||
Exact match “Fonoa is the Tax Operating System for autonomous tax.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 164 contacts → | ||||
Exact match “DataTorque is a specialist New Zealand technology company born of a simple understanding that when everyone contributes, everyone benefits.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 155 contacts → | ||||
Exact match “Taxually delivers fully automated VAT, GST and Sales Tax compliance solutions that cater for all business types, from online retailers to those with complex tax departments.” Recorded in the RevenueBase company graph · Sep 29, 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 administration software vendors”. 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 646 tax administration software vendors worldwide
See the full list, filter by size, metro and specialty, and access 13,066 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tax administration software vendors worldwide at a glance
As of Sep 29, 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 administration software vendors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “tax administration software vendors” 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 13,066 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 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 administration software vendors by location
4 lists · largest firstEvery Tax administration software vendors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax administration software vendors based in the United States144
- Tax administration software vendors based in Brazil130
- Tax administration software vendors based in Germany25
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax administration software vendors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tax administration software vendors are there worldwide?
RevenueBase identified 646 company matches for tax administration software vendors worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
RYAN tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most tax administration software vendors?
The United States leads with 144 companies, followed by Brazil (130) and Germany (25). Every tax administration software vendors list by country and city is linked on this page.
Which city has the most tax administration software vendors?
Sao Paulo leads with 38 company records, followed by Porto Alegre (7) and Belo Horizonte (6).
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 13,066 professional contacts with verified work emails tracked across these 646 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 646 tax administration software vendors 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 administration software vendors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 646 matching company records for tax administration software vendors worldwide, with 29,311 tracked contacts and 13,066 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: September 29, 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 administration software vendors 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, TX, United StatesReported employees: 5,001-10,000 | Dallas, TX, United States | 5,001-10,000 | Exact match | 6,089 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Fast Enterprises, LLCfastenterprises.comHQ: Centennial, CO, United StatesReported employees: 1,001-5,000 | Centennial, CO, United States | 1,001-5,000 | Exact match | 2,363 contacts → |
“For 25+ years, we’ve transformed the way government agencies serve their communities, providing software that delivers superior customer experiences, greater flexibility, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Vertex INCvertexinc.comHQ: King Of Prussia, PA, United StatesReported employees: 1,001-5,000 | King Of Prussia, PA, United States | 1,001-5,000 | Exact match | 2,068 contacts → |
“Vertex is the Decision-to-Defense™ global indirect tax and compliance company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Wolters Kluwer TAX & Accounting USwolterskluwer.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 1,587 contacts → |
“Wolters Kluwer Tax & Accounting U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Betha Sistemasbetha.com.brHQ: Criciúma, BrazilReported employees: 501-1,000 | Criciúma, Brazil | 501-1,000 | Exact match | 789 contacts → |
“Líder no desenvolvimento e comercialização de softwares para gestão pública, a Betha Sistemas é uma empresa catarinense que atua há 27 anos no mercado nacional.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Drake Softwaredrakesoftware.comHQ: Franklin, United StatesReported employees: 501-1,000 | Franklin, United States | 501-1,000 | Exact match | 561 contacts → |
“Drake Software, a private company founded in 1977, provides software solutions to over tax and accounting firms that file more than 40 million tax returns every year.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Contmatic Phoenixcontmatic.com.brHQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 536 contacts → |
“Fundada em 1987, a CONTMATIC PHOENIX é uma Empresa em grande expansão nacional especializada no desenvolvimento de Softwares Administrativos, oferecendo soluções necessárias e…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Synchrosynchro.com.brHQ: São Paulo, BrazilReported employees: 201-500 | São Paulo, Brazil | 201-500 | Exact match | 490 contacts → |
“Founded in 1991, Synchro offers software and services to support the fiscal area, used by companies in various business segments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Grant Street Groupgrantstreet.comHQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 454 contacts → |
“Grant Street Group specializes in cloud-based government solutions for tax collection, e-payments, and auctions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Alicante, SpainReported employees: 501-1,000 | Alicante, Spain | 501-1,000 | Exact match | 395 contacts → |
“grupo gtt es una empresa tecnológica especializada en la gestión de tributos.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Winman Software India LLPwinmansoftware.comHQ: Mangaluru, IndiaReported employees: 201-500 | Mangaluru, India | 201-500 | Exact match | 309 contacts → |
“Winman Software India LLP, based in Mangaluru, is engaged in developing and distributing standardized software products with a special focus on income tax software for the Indian…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  TAX Technologies, INCtaxtechnologies.comHQ: Long Island City, NY, United StatesReported employees: 201-500 | Long Island City, NY, United States | 201-500 | Exact match | 302 contacts → |
“TTI’s flagship product, Tax Series, is an all-inclusive SaaS solution that can handle all aspects of U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Sureprep, Part Of Thomson Reuterssureprep.comHQ: Irvine, CA, United StatesReported employees: 501-1,000 | Irvine, CA, United States | 501-1,000 | Exact match | 289 contacts → |
“SurePrep was founded in 2002 and is the leader in 1040 productivity for CPA firms.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sovos Latinoaméricasovos.comHQ: Santiago, ChileReported employees: 201-500 | Santiago, Chile | 201-500 | Exact match | 281 contacts → |
“La tecnología ha transformado a las empresas y ha cambiado para siempre la forma en que los gobiernos regulan.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  BMD Systemhaus Gesmbhbmd.comHQ: Steyr, AustriaReported employees: 501-1,000 | Steyr, Austria | 501-1,000 | Exact match | 268 contacts → |
“About us BMD is one of the leading software manufacturers in Austria.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | SNIsnitechnology.net HQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 240 contacts → |
“SNI is a Computer Technology Corporation providing Tax Compliance and Regulatory Reporting softwares, interfaces and technologies around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  HDL Companieshdlcompanies.comHQ: Brea, CA, United StatesReported employees: 201-500 | Brea, CA, United States | 201-500 | Exact match | 219 contacts → |
“The HdL Companies began their legacy of service to public agencies as Hinderliter, de Llamas & Associates in 1983.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Zenwork, INCzenwork.comHQ: Fayetteville, AR, United StatesReported employees: 51-200 | Fayetteville, AR, United States | 51-200 | Exact match | 206 contacts → |
“Zenwork, through its Tax1099 and Compliancely brands, is a fast-growing digital tax compliance and regulatory reporting technology company, with 10+ years of experience powering…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Inventyv Software Services Pvt. LTDinventyv.comHQ: Ahmedabad, IndiaReported employees: 201-500 | Ahmedabad, India | 201-500 | Exact match | 201 contacts → |
“Inventyv Software Services Pvt.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Systaxsystax.com.brHQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 189 contacts → |
“Systax: The Evolution of Tax Intelligence.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  E-Auditoriae-auditoria.com.brHQ: Juiz De Fora, BrazilReported employees: 51-200 | Juiz De Fora, Brazil | 51-200 | Exact match | 187 contacts → |
“Desde 2009, oferecemos soluções inteligentes que aprimoram a rotina de trabalho de profissionais contábeis e tributários, auxiliando na identificação de inconsistências e…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: United StatesReported employees: 10001+ | United States | 10001+ | Exact match | 174 contacts → |
“Wolters Kluwer, TAA North America US Small Firms is part of Wolters Kluwer Tax & Accounting.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  FONOAfonoa.comHQ: Zagreb, CroatiaReported employees: 51-200 | Zagreb, Croatia | 51-200 | Exact match | 173 contacts → |
“Fonoa is the Tax Operating System for autonomous tax.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Datatorque LTDdatatorque.com HQ: Wellington, New ZealandReported employees: 51-200 | Wellington, New Zealand | 51-200 | Exact match | 164 contacts → |
“DataTorque is a specialist New Zealand technology company born of a simple understanding that when everyone contributes, everyone benefits.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Taxuallytaxually.com HQ: Budapest, HungaryReported employees: 51-200 | Budapest, Hungary | 51-200 | Exact match | 155 contacts → |
“Taxually delivers fully automated VAT, GST and Sales Tax compliance solutions that cater for all business types, from online retailers to those with complex tax departments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 646 company matches
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Tax administration software vendors: dataset insights
September 29, 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
644 records in the displayed employee bands.
2 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 646 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: September 29, 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 administration software vendors by location
4 lists · largest firstEvery Tax administration software vendors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax administration software vendors based in the United States144
- Tax administration software vendors based in Brazil130
- Tax administration software vendors based in Germany25
Cities
Questions about this company list
What does Exact match mean for tax administration software vendors?
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 administration software vendors did RevenueBase find worldwide?
The saved snapshot records 646 matching company records, 29,311 tracked contacts and 13,066 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: September 29, 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 administration software vendors worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/tax-administration-software-vendors.
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 administration software vendors worldwide
RevenueBase records 646 matching company records for tax administration software vendors worldwide, with 29,311 tracked contacts and 13,066 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: September 29, 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 administration software vendors 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, TX, United StatesReported employees: 5,001-10,000 | Dallas, TX, United States | 5,001-10,000 | Exact match | 6,089 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Fast Enterprises, LLCfastenterprises.com HQ: Centennial, CO, United StatesReported employees: 1,001-5,000 | Centennial, CO, United States | 1,001-5,000 | Exact match | 2,363 contacts → |
“For 25+ years, we’ve transformed the way government agencies serve their communities, providing software that delivers superior customer experiences, greater flexibility, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Vertex INCvertexinc.com HQ: King Of Prussia, PA, United StatesReported employees: 1,001-5,000 | King Of Prussia, PA, United States | 1,001-5,000 | Exact match | 2,068 contacts → |
“Vertex is the Decision-to-Defense™ global indirect tax and compliance company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Wolters Kluwer TAX & Accounting USwolterskluwer.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 1,587 contacts → |
“Wolters Kluwer Tax & Accounting U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Betha Sistemasbetha.com.br HQ: Criciúma, BrazilReported employees: 501-1,000 | Criciúma, Brazil | 501-1,000 | Exact match | 789 contacts → |
“Líder no desenvolvimento e comercialização de softwares para gestão pública, a Betha Sistemas é uma empresa catarinense que atua há 27 anos no mercado nacional.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Drake Softwaredrakesoftware.com HQ: Franklin, United StatesReported employees: 501-1,000 | Franklin, United States | 501-1,000 | Exact match | 561 contacts → |
“Drake Software, a private company founded in 1977, provides software solutions to over tax and accounting firms that file more than 40 million tax returns every year.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Contmatic Phoenixcontmatic.com.br HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 536 contacts → |
“Fundada em 1987, a CONTMATIC PHOENIX é uma Empresa em grande expansão nacional especializada no desenvolvimento de Softwares Administrativos, oferecendo soluções necessárias e…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Synchrosynchro.com.br HQ: São Paulo, BrazilReported employees: 201-500 | São Paulo, Brazil | 201-500 | Exact match | 490 contacts → |
“Founded in 1991, Synchro offers software and services to support the fiscal area, used by companies in various business segments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Grant Street Groupgrantstreet.com HQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 454 contacts → |
“Grant Street Group specializes in cloud-based government solutions for tax collection, e-payments, and auctions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Alicante, SpainReported employees: 501-1,000 | Alicante, Spain | 501-1,000 | Exact match | 395 contacts → |
“grupo gtt es una empresa tecnológica especializada en la gestión de tributos.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Winman Software India LLPwinmansoftware.com HQ: Mangaluru, IndiaReported employees: 201-500 | Mangaluru, India | 201-500 | Exact match | 309 contacts → |
“Winman Software India LLP, based in Mangaluru, is engaged in developing and distributing standardized software products with a special focus on income tax software for the Indian…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | TAX Technologies, INCtaxtechnologies.com HQ: Long Island City, NY, United StatesReported employees: 201-500 | Long Island City, NY, United States | 201-500 | Exact match | 302 contacts → |
“TTI’s flagship product, Tax Series, is an all-inclusive SaaS solution that can handle all aspects of U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sureprep, Part Of Thomson Reuterssureprep.com HQ: Irvine, CA, United StatesReported employees: 501-1,000 | Irvine, CA, United States | 501-1,000 | Exact match | 289 contacts → |
“SurePrep was founded in 2002 and is the leader in 1040 productivity for CPA firms.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sovos Latinoaméricasovos.com HQ: Santiago, ChileReported employees: 201-500 | Santiago, Chile | 201-500 | Exact match | 281 contacts → |
“La tecnología ha transformado a las empresas y ha cambiado para siempre la forma en que los gobiernos regulan.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | BMD Systemhaus Gesmbhbmd.com HQ: Steyr, AustriaReported employees: 501-1,000 | Steyr, Austria | 501-1,000 | Exact match | 268 contacts → |
“About us BMD is one of the leading software manufacturers in Austria.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | SNIsnitechnology.net HQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 240 contacts → |
“SNI is a Computer Technology Corporation providing Tax Compliance and Regulatory Reporting softwares, interfaces and technologies around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HDL Companieshdlcompanies.com HQ: Brea, CA, United StatesReported employees: 201-500 | Brea, CA, United States | 201-500 | Exact match | 219 contacts → |
“The HdL Companies began their legacy of service to public agencies as Hinderliter, de Llamas & Associates in 1983.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Zenwork, INCzenwork.com HQ: Fayetteville, AR, United StatesReported employees: 51-200 | Fayetteville, AR, United States | 51-200 | Exact match | 206 contacts → |
“Zenwork, through its Tax1099 and Compliancely brands, is a fast-growing digital tax compliance and regulatory reporting technology company, with 10+ years of experience powering…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Inventyv Software Services Pvt. LTDinventyv.com HQ: Ahmedabad, IndiaReported employees: 201-500 | Ahmedabad, India | 201-500 | Exact match | 201 contacts → |
“Inventyv Software Services Pvt.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Systaxsystax.com.br HQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 189 contacts → |
“Systax: The Evolution of Tax Intelligence.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | E-Auditoriae-auditoria.com.br HQ: Juiz De Fora, BrazilReported employees: 51-200 | Juiz De Fora, Brazil | 51-200 | Exact match | 187 contacts → |
“Desde 2009, oferecemos soluções inteligentes que aprimoram a rotina de trabalho de profissionais contábeis e tributários, auxiliando na identificação de inconsistências e…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: United StatesReported employees: 10001+ | United States | 10001+ | Exact match | 174 contacts → |
“Wolters Kluwer, TAA North America US Small Firms is part of Wolters Kluwer Tax & Accounting.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | FONOAfonoa.com HQ: Zagreb, CroatiaReported employees: 51-200 | Zagreb, Croatia | 51-200 | Exact match | 173 contacts → |
“Fonoa is the Tax Operating System for autonomous tax.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Datatorque LTDdatatorque.com HQ: Wellington, New ZealandReported employees: 51-200 | Wellington, New Zealand | 51-200 | Exact match | 164 contacts → |
“DataTorque is a specialist New Zealand technology company born of a simple understanding that when everyone contributes, everyone benefits.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Taxuallytaxually.com HQ: Budapest, HungaryReported employees: 51-200 | Budapest, Hungary | 51-200 | Exact match | 155 contacts → |
“Taxually delivers fully automated VAT, GST and Sales Tax compliance solutions that cater for all business types, from online retailers to those with complex tax departments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 646 company matches
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Tax administration software vendors: dataset insights
September 29, 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
644 records in the displayed employee bands.
2 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 646 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: September 29, 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 administration software vendors by location
4 lists · largest firstEvery Tax administration software vendors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax administration software vendors based in the United States144
- Tax administration software vendors based in Brazil130
- Tax administration software vendors based in Germany25
Cities
Questions about this company list
What does Exact match mean for tax administration software vendors?
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 administration software vendors did RevenueBase find worldwide?
The saved snapshot records 646 matching company records, 29,311 tracked contacts and 13,066 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: September 29, 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 administration software vendors worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/tax-administration-software-vendors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗