Company lists · Data refreshed October 2026

Top 25 Personal tax calculation software companies worldwide

RevenueBase identified 475 company matches for personal tax calculation software companies worldwide as of October 2026 and tracks 9,237 professional contacts across them, including 2,757 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for personal tax calculation 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 October 20, 2026. Country and city lists for personal tax calculation 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 Oct 20, 2026 How this list was built
475Companies
9,237Contacts tracked
2,757Verified emails
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The 25 largest personal tax calculation software companies worldwide

Ranked by team size
Top 25 of 475 company matches for personal tax calculation software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 20, 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 matchFranklin, United StatesHQ recorded Oct 20, 2026501-1,000569 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 · Oct 20, 2026 · View company records in RevenueBase
2Exact matchBerlin, GermanyHQ recorded Oct 20, 2026201-500378 contacts →

Exact match

“Taxfix is Europe’s leading financial platform for digital tax solutions, with over 8 million tax returns submitted and more than 4,5 billion euros in refunds facilitated for our…”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
3Exact matchDallas, TX, United StatesHQ recorded Oct 20, 202651-200373 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 · Oct 20, 2026 · View company records in RevenueBase
4Exact matchMangaluru, IndiaHQ recorded Oct 20, 2026201-500320 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 · Oct 20, 2026 · View company records in RevenueBase
5Exact matchAugusta, GA, IndiaHQ recorded Oct 20, 2026201-500306 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 · Oct 20, 2026 · View company records in RevenueBase
6Exact matchLong Island City, NY, United StatesHQ recorded Oct 20, 2026201-500300 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 · Oct 20, 2026 · View company records in RevenueBase
7Exact matchIrvine, CA, United StatesHQ recorded Oct 20, 2026501-1,000275 contacts →

Exact match

“SurePrep was founded in 2002 and is the leader in 1040 productivity for CPA firms.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
8Exact matchBangalore, IndiaHQ recorded Oct 20, 2026201-500257 contacts →

Exact match

“Prosperr.io is a fintech platform built to bring clarity, compliance, and confidence to income tax, payroll, and financial wellness for both Organisations & Individuals.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
9Exact matchMumbai, IndiaHQ recorded Oct 20, 2026n/a230 contacts →

Exact match

“Welcome to TaxBuddy, your one-stop solution for all your tax preparation and filing needs- happy users across 2600 towns in India - 4.9 star Google rating from customers - Led by…”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
10Exact matchAhmedabad, IndiaHQ recorded Oct 20, 2026201-500204 contacts →

Exact match

“Inventyv Software Services Pvt.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, FL, United StatesHQ recorded Oct 20, 202651-200190 contacts →

Exact match

“Instead is where tax work gets done.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
12Exact matchSão Paulo, BrazilHQ recorded Oct 20, 202651-200189 contacts →

Exact match

“Systax: The Evolution of Tax Intelligence.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
13Exact matchUnited StatesHQ recorded Oct 20, 202651-200182 contacts →

Exact match

“Background TaxHawk, Inc.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
14Exact matchFranklin, NC, United StatesHQ recorded Oct 20, 20261,001-5,000162 contacts →

Exact match

“Taxwell is a leading digital tax filing platform formed in 2022 from the combination of Drake Software® and TaxAct®.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
15Exact matchRosenheim, GermanyHQ recorded Oct 20, 2026201-500157 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
16Exact matchDublin, IrelandHQ recorded Oct 20, 2026501-1,000155 contacts →

Exact match

“Every year, thousands of people overpay tax on their earnings.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
17Exact matchLathrop, CA, United StatesHQ recorded Oct 20, 202651-200137 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 · Oct 20, 2026 · View company records in RevenueBase
18Exact matchSao Paulo, BrazilHQ recorded Oct 20, 202651-200126 contacts →

Exact match

“A Jettax é o único ecossistema completo de automação fiscal, pensado para escritórios contábeis e empresas que buscam mais eficiência.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
19Exact matchTours, FranceHQ recorded Oct 20, 202651-200112 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 · Oct 20, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Oct 20, 202651-200108 contacts →

Exact match

“april partners with wealth management firms, banks, and SMB platforms to embed tax filing, planning, and insights directly into the financial platforms people use every day to…”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
21Exact matchCollege Station, TX, United StatesHQ recorded Oct 20, 202611-50107 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
22Exact matchMadrid, SpainHQ recorded Oct 20, 202651-20087 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 · Oct 20, 2026 · View company records in RevenueBase
23Exact matchAhmedabad, IndiaHQ recorded Oct 20, 202611-5073 contacts →

Exact match

“With over 2 million happy taxpayers, Quicko is India's fastest-growing tax platform.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
24Exact matchAmsterdam, NetherlandsHQ recorded Oct 20, 202651-20068 contacts →

Exact match

“Iedereen heeft recht op een optimale fiscale aangifte.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
25Exact matchKirkland, WA, United StatesHQ recorded Oct 20, 202651-20061 contacts →

Exact match

“Formations is a predictive tax management solution for the self-employed.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase

Showing 25 of 475 personal tax calculation software companies worldwide

See the full list, filter by size, metro and specialty, and access 2,757 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Personal tax calculation software companies worldwide at a glance

As of Oct 20, 2026
29.8%Verified-email coverage
19.4Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · Sao Paulo
Oct 20, 2026Page data refreshed

Companies by employee count

1-10
275
11-50
145
51-200
33
201-500
14
501-1,000
5
1,001-5,000
2
5,001-10,000
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 personal tax calculation software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “personal tax calculation 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 2,757 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 20, 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.

Personal tax calculation software companies by location

2 lists · largest first

Every Personal tax calculation 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 “personal tax calculation software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many personal tax calculation software companies are there worldwide?

RevenueBase identified 475 company matches for personal tax calculation software companies worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most personal tax calculation software companies?

The United States leads with 157 companies, followed by India (43). Every personal tax calculation software companies list by country and city is linked on this page.

Which city has the most personal tax calculation software companies?

Sao Paulo leads with 10 company records, followed by London (9) and Jaipur (8).

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 2,757 professional contacts with verified work emails tracked across these 475 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 20, 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.