Company lists · Data refreshed September 2026

Top 25 Professional tax software companies based in the United States

RevenueBase identified 296 company matches for professional tax software companies associated with the United States as of September 2026 and tracks 64,936 professional contacts across them, including 9,060 with verified work emails. New York is the largest hub.

This list covers company matches for professional tax software companies associated with the United States, 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 14, 2026.

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 14, 2026 How this list was built
296Companies
64,936Contacts tracked
9,060Verified emails
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The 25 largest professional tax software companies based in the United States

Ranked by team size
Top 25 of 296 company matches for professional tax software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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 matchKansas City, MO, United StatesHQ recorded Sep 14, 202610001+59,451 contacts →

Exact match

“H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 14, 20261,001-5,0001,587 contacts →

Exact match

“Wolters Kluwer Tax & Accounting U.S.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3Exact matchFranklin, United StatesHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
4Exact matchDallas, TX, United StatesHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
5Exact matchLong Island City, NY, United StatesHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
6Exact matchIrvine, CA, United StatesHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
7Exact matchAnn Arbor, MI, United StatesHQ recorded Sep 14, 2026201-500140 contacts →

Exact match

“SafeSend, part of Thomson Reuters, offers award-winning automation technology for tax and accounting firms to provide an unrivaled client experience.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 202651-200140 contacts →

Exact match

“Instead is where tax work gets done.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9Exact matchLathrop, CA, United StatesHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
10Exact matchFranklin, NC, United StatesHQ recorded Sep 14, 20261,001-5,000136 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 · Sep 14, 2026 · View company records in RevenueBase
11Exact matchCollege Station, TX, United StatesHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202651-20079 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 · Sep 14, 2026 · View company records in RevenueBase
13Exact matchDelray Beach, FL, United StatesHQ recorded Sep 14, 202611-5071 contacts →

Exact match

“Sigma Tax Pro serves professional Tax Preparers, Accountants, and CPAs with industry-leading software solutions.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14Exact matchChandler, AZ, United StatesHQ recorded Sep 14, 202651-20049 contacts →

Exact match

“Soraban is the intelligent tax workflow system built for accounting firms, integrated with your stack, and designed to eliminate manual work across intake, prep, and delivery.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15Exact matchHampton, NH, United StatesHQ recorded Sep 14, 202651-20048 contacts →

Exact match

“GruntWorx helps accounting firms prepare tax returns faster by automating the most time-consuming parts of the tax preparation process.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16Exact matchFt. Lauderdale, United StatesHQ recorded Sep 14, 202611-5043 contacts →

Exact match

“Corvee empowers accounting and tax professionals with a suite of solutions designed to build, grow and optimize their firms.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17Exact matchBirmingham, AL, United StatesHQ recorded Sep 14, 202611-5029 contacts →

Exact match

“Provide tax preparation and planning services to businesses and individuals.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18Exact matchOxnard, CA, United StatesHQ recorded Sep 14, 202611-5023 contacts →

Exact match

“FileYourTaxes.com is a faster, convenient, contemporary, and hassle-free way to file taxes.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19Exact matchBirmingham, AL, United StatesHQ recorded Sep 14, 202611-5022 contacts →

Exact match

“Who Are We?”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20Exact matchReno, NV, United StatesHQ recorded Sep 14, 202611-5018 contacts →

Exact match

“Thanks to our DIY intuitive tax software, US expat taxes couldn't be easier or faster.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, United StatesHQ recorded Sep 14, 202611-5017 contacts →

Exact match

“Additive builds tools that help tax professionals with their most repetitive tasks, so that they can focus on creating value for their clients.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22Exact matchMountain View, CA, United StatesHQ recorded Sep 14, 202611-5017 contacts →

Exact match

“Neo.Tax is building the easiest and most accurate tax filing and automation software.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
23Exact matchAlbany, NY, United StatesHQ recorded Sep 14, 20261-1011 contacts →

Exact match

“The best investment and financial advice is informed by understanding each client’s income tax circumstances.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24Exact matchUpland, CA, United StatesHQ recorded Sep 14, 202611-5011 contacts →

Exact match

“Taxware Systems has been developing tax software for 40 years.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
25Exact matchFairhaven, MA, United StatesHQ recorded Sep 14, 202611-5010 contacts →

Exact match

“Ameritax is a tax preparation company with 12 offices in Massachusetts.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

Showing 25 of 296 professional tax software companies based in the United States

See the full list, filter by size, metro and specialty, and access 9,060 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Professional tax software companies based in the United States at a glance

As of Sep 14, 2026
14.0%Verified-email coverage
219.4Average contacts per company
1-10Median size (employees)
5.1%Largest-city concentration · New York
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
174
11-50
77
51-200
31
201-500
7
501-1,000
3
1,001-5,000
2
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 296 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “professional tax 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 9,060 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 14, 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.

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

How many professional tax software companies are there based in the United States?

RevenueBase identified 296 company matches for professional tax software companies associated with the United States 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?

H&r Block tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most professional tax software companies?

New York leads with 15 company records, followed by Houston (9) and Chicago (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 9,060 professional contacts with verified work emails tracked across these 296 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 14, 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.