Company lists · Data refreshed September 2026

Top 25 Tax accounting software companies worldwide

RevenueBase identified 461 company matches for tax accounting software companies worldwide as of September 2026 and tracks 12,503 professional contacts across them, including 3,852 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for tax accounting software companies 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 21, 2026. Country and city lists for tax accounting software companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built
461Companies
12,503Contacts tracked
3,852Verified emails
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The 25 largest tax accounting software companies worldwide

Ranked by team size
Top 25 of 461 company matches for tax accounting software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew York, NY, United StatesHQ recorded Sep 21, 20261,001-5,0001,587 contacts →

Exact match

“Wolters Kluwer Tax & Accounting U.S.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchFranklin, United StatesHQ recorded Sep 21, 2026501-1,000561 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 21, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, BrazilHQ recorded Sep 21, 2026201-500536 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 21, 2026 · View company records in RevenueBase
4Exact matchDallas, TX, United StatesHQ recorded Sep 21, 202651-200361 contacts →

Exact match

“TaxAct helps everyday Americans get every tax advantage they deserve by finding credits and deductions they never even knew existed.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchMangaluru, IndiaHQ recorded Sep 21, 2026201-500309 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 21, 2026 · View company records in RevenueBase
6Exact matchLong Island City, NY, United StatesHQ recorded Sep 21, 2026201-500302 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 21, 2026 · View company records in RevenueBase
7Exact matchSao Paulo, BrazilHQ recorded Sep 21, 2026201-500298 contacts →

Exact match

“Desde 1986 a Prosoft desenvolve softwares para apoiar empresários contábeis a aconselhar seus clientes com rapidez, precisão e eficiência.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchIrvine, CA, United StatesHQ recorded Sep 21, 2026501-1,000289 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 21, 2026 · View company records in RevenueBase
9Exact matchAugusta, GA, IndiaHQ recorded Sep 21, 2026201-500289 contacts →

Exact match

“For 60 years, TaxSlayer has been empowering Americans to take control of their taxes with easy-to-use, reliable software backed by U.S-based support.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchIstanbul, TürkiyeHQ recorded Sep 21, 202651-200240 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 21, 2026 · View company records in RevenueBase
11Exact matchNorth Sydney, AustraliaHQ recorded Sep 21, 202651-200235 contacts →

Exact match

“Reckon is one of Australia’s leading business technology companies, and a certified Great Place to Work.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchBeauvais, FranceHQ recorded Sep 21, 20261,001-5,000211 contacts →

Exact match

“Spécialisée dans la création, l’édition et la commercialisation de logiciels innovants en matière de gestion comptable, sociale et fiscale, la SAS EIC (CA 5,3 M€, 110 pers) dont…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchAhmedabad, IndiaHQ recorded Sep 21, 2026201-500201 contacts →

Exact match

“Inventyv Software Services Pvt.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchJuiz De Fora, BrazilHQ recorded Sep 21, 202651-200187 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 21, 2026 · View company records in RevenueBase
15Exact matchUnited StatesHQ recorded Sep 21, 202610001+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 21, 2026 · View company records in RevenueBase
16Exact matchRosenheim, GermanyHQ recorded Sep 21, 2026201-500152 contacts →

Exact match

“Agenda ist einer der führenden Software-Anbieter für die steuer- und wirtschaftsberatenden Berufe.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchStaines-Upon-Thames Middlesex, United KingdomHQ recorded Sep 21, 202651-200138 contacts →

Exact match

“We are game changers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchLathrop, CA, United StatesHQ recorded Sep 21, 202651-200136 contacts →

Exact match

“CrossLink Professional Tax Solutions (CPTS) is a leading provider of professional tax software solutions for professional tax preparers across the United States.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchToronto, ON, CanadaHQ recorded Sep 21, 2026201-500135 contacts →

Exact match

“Wolters Kluwer Tax & Accounting Canada is a leading provider of expert solutions for tax, accounting, and audit professionals, offering industry-leading resources that utilize…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchTours, FranceHQ recorded Sep 21, 202651-200110 contacts →

Exact match

“Inqom c’est un logiciel moderne de production comptable et fiscale pensé pour la productivité, la qualité et la sécurité - Productivité : Nous pensons un monde où la productivité…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchCollege Station, TX, United StatesHQ recorded Sep 21, 202611-50104 contacts →

Exact match

“Holistiplan, a tax planning software solution, helps financial planners be more comprehensive AND more efficient.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchSao Paulo, BrazilHQ recorded Sep 21, 2026501-1,000103 contacts →

Exact match

“Siga a página oficial do Grupo IOB:”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchWokingham, United KingdomHQ recorded Sep 21, 202651-200101 contacts →

Exact match

“The complete tax and accountancy practice software suite, powered by a single database.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchCachoeirinha, BrazilHQ recorded Sep 21, 202651-20094 contacts →

Exact match

“Há 35 anos, nossas soluções trazem a marca de uma empresa parceira dos profissionais de contabilidade, contribuindo para a evolução dos negócios com inovação, eficiência e…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchMadrid, SpainHQ recorded Sep 21, 202651-20081 contacts →

Exact match

“Declarando es el software con asesoría fiscal que ayuda a los autónomos a ahorrar en impuestos.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 461 tax accounting software companies worldwide

See the full list, filter by size, metro and specialty, and access 3,852 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax accounting software companies worldwide at a glance

As of Sep 21, 2026
30.8%Verified-email coverage
27.1Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Sao Paulo
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
223
11-50
152
51-200
53
201-500
16
501-1,000
7
1,001-5,000
6
5,001-10,000
1
10001+
1

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 accounting software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “tax accounting software companies” 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 3,852 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 21, 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 accounting software companies by location

2 lists · largest first

Every Tax accounting software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 accounting software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax accounting software companies are there worldwide?

RevenueBase identified 461 company matches for tax accounting software companies 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?

Wolters Kluwer TAX & Accounting US tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most tax accounting software companies?

The United States leads with 152 companies, followed by Brazil (45). Every tax accounting software companies list by country and city is linked on this page.

Which city has the most tax accounting software companies?

Sao Paulo leads with 12 company records, followed by New York (9) and Houston (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 3,852 professional contacts with verified work emails tracked across these 461 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 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.