Company lists · Data refreshed September 2026

Top 25 Corporate tax software companies based in the United States

RevenueBase identified 205 company matches for corporate tax software companies associated with the United States as of September 2026 and tracks 14,130 professional contacts across them, including 7,880 with verified work emails and 5,310 with mobile numbers. Houston is the largest hub.

This list covers company matches for corporate 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 1, 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 1, 2026 How this list was built
205Companies
14,130Contacts tracked
7,880Verified emails
5,310Mobile numbers
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The 25 largest corporate tax software companies based in the United States

Ranked by team size
Top 25 of 205 company matches for corporate tax software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 1, 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 matchAtlanta, GA, United States5,001-10,0006,055 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 1, 2026 · View company records in RevenueBase
2Exact matchSarasota, FL, United States1,001-5,0002,060 contacts →

Exact match

“The rapid changes taking place in today’s global business, technology, and regulatory environments are having a compounding effect on the complexity of indirect tax management and…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United States1,001-5,0001,592 contacts →

Exact match

“Wolters Kluwer Tax & Accounting U.S.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
4Exact matchEdina, MN, United States501-1,000860 contacts →

Exact match

“Great Place to Work® Certified™ DMA, a proudly employee-owned company, has been solving corporate tax challenges for its clients since 1972.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
5Exact matchFranklin, United States501-1,000560 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 1, 2026 · View company records in RevenueBase
6Exact matchDallas, TX, United States51-200369 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 1, 2026 · View company records in RevenueBase
7Exact matchHaworth, NJ, United States201-500306 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 1, 2026 · View company records in RevenueBase
8Exact matchAugusta, GA, United States201-500288 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 1, 2026 · View company records in RevenueBase
9Exact matchIrvine, CA, United States501-1,000287 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 1, 2026 · View company records in RevenueBase
10Exact matchFranklin, NC, United States1,001-5,000137 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 1, 2026 · View company records in RevenueBase
11Exact matchLathrop, CA, United States51-200136 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 1, 2026 · View company records in RevenueBase
12Exact matchNiagara Falls, NY, United States201-500114 contacts →

Exact match

“Aumentum Technologies simplifies the property tax management life cycle for governments around the world empowering them to focus on what matters most – improving funding for…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
13Exact matchCollege Station, TX, United States11-5098 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 1, 2026 · View company records in RevenueBase
14Exact matchDelray Beach, FL, United States11-5072 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 1, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United States51-20064 contacts →

Exact match

“Orbitax empowers tax professionals with intelligent, AI-driven solutions that unify processes, simplify compliance, and empower meaningful collaboration.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
16Exact matchSan Diego, CA, United States51-20062 contacts →

Exact match

“We help property tax and licensing professionals simplify their work and save them time, so they can focus on core business functions and their bottom line.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
17Exact matchColumbus, OH, United States11-5054 contacts →

Exact match

“Founded by tax experts and backed by proprietary technology, Arvo is the only holistic approach that brings together the ability to develop and document a tax strategy with tax…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
18Exact matchDallas, TX, United States51-20044 contacts →

Exact match

“Invoke Tax Partners delivers state and local tax solutions to corporations across the nation.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
19Exact matchBirmingham, AL, United States11-5029 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
20Exact matchOxnard, CA, United States11-5025 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
21Exact matchSanta Fe, NM, United States11-5023 contacts →

Exact match

“We implement tax engines and build tools to make it easier to manage your tax engine.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
22Exact matchBirmingham, AL, United States11-5022 contacts →

Exact match

“Who Are We?”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
23Exact matchMountain View, CA, United States11-5017 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
24Exact matchReno, NV, United States11-5017 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 1, 2026 · View company records in RevenueBase
25Exact matchSanta Clara, CA, United States11-5015 contacts →

Exact match

“SeemaS is building an AI-powered platform for valuation, transfer pricing, and international tax compliance.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase

Showing 25 of 205 corporate tax software companies based in the United States

See the full list, filter by size, metro and specialty, and access 7,880 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 1, 2026
55.8%Verified-email coverage
37.6%Mobile-number coverage
68.9Average contacts per company
11-50Median size (employees)
3.4%Largest-city concentration · Houston
Sep 1, 2026Page data refreshed

Companies by employee count

1-10
100
11-50
65
51-200
24
201-500
7
501-1,000
4
1,001-5,000
3
5,001-10,000
1

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 “corporate 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 7,880 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 1, 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 “corporate tax software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 205 company matches for corporate 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?

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

Which city has the most corporate tax software companies?

Houston leads with 7 company records, followed by New York (7) and Chicago (4).

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 7,880 professional contacts with verified work emails tracked across these 205 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 1, 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.