Company lists · Data refreshed September 2026

Top 25 Tax resolution software companies based in the United States

RevenueBase identified 508 company matches for tax resolution software companies associated with the United States as of September 2026 and tracks 13,683 professional contacts across them, including 6,980 with verified work emails and 4,536 with mobile numbers. Houston is the largest hub.

This list covers company matches for tax resolution 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 6, 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 6, 2026 How this list was built
508Companies
13,683Contacts tracked
6,980Verified emails
4,536Mobile numbers
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The 25 largest tax resolution software companies based in the United States

Ranked by team size
Top 25 of 508 company matches for tax resolution software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 6, 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 matchDallas, TX, United StatesHQ recorded Sep 6, 20265,001-10,0006,089 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 6, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 6, 20261,001-5,0001,587 contacts →

Exact match

“Wolters Kluwer Tax & Accounting U.S.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3Exact matchFranklin, United StatesHQ recorded Sep 6, 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 6, 2026 · View company records in RevenueBase
4Exact matchSanta Ana, CA, United StatesHQ recorded Sep 6, 2026501-1,000407 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5Exact matchLong Island City, NY, United StatesHQ recorded Sep 6, 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 6, 2026 · View company records in RevenueBase
6Exact matchIrvine, CA, United StatesHQ recorded Sep 6, 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 6, 2026 · View company records in RevenueBase
7Exact matchIrvine, United StatesHQ recorded Sep 6, 2026201-500223 contacts →

Exact match

“At TaxRise, we transform lives by helping individuals and families overcome their tax challenges and achieve financial freedom.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8Exact matchJacksonville, FL, United StatesHQ recorded Sep 6, 2026201-500175 contacts →

Exact match

“Since 2010, Community Tax has helped individuals and businesses across the United States navigate complex tax matters with clarity and confidence.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9Exact matchAnn Arbor, MI, United StatesHQ recorded Sep 6, 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 6, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 6, 202651-200140 contacts →

Exact match

“Instead is where tax work gets done.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11Exact matchIrvine, CA, United StatesHQ recorded Sep 6, 2026201-500138 contacts →

Exact match

“We care about people.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
12Exact matchLathrop, CA, United StatesHQ recorded Sep 6, 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 6, 2026 · View company records in RevenueBase
13Exact matchJacksonville, FL, United StatesHQ recorded Sep 6, 2026201-500134 contacts →

Exact match

“Since 2007, Tax Defense Network's team of licensed tax professionals has helped hundreds of thousands of taxpayers and small business owners resolve their IRS issues, including…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14Exact matchBroomfield, CO, United StatesHQ recorded Sep 6, 202651-200131 contacts →

Exact match

“Your tax debt resolution partner.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
15Exact matchLos Angeles, CA, United StatesHQ recorded Sep 6, 202651-200124 contacts →

Exact match

“Anthem Tax Services (ATS) is one of the highest rated Tax Resolution Companies in the U.S, comprised of professionals who are passionate about representing taxpayers and fighting…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16Exact matchWinston Salem, NC, United StatesHQ recorded Sep 6, 202651-200110 contacts →

Exact match

“Protection Plus provides top-tier tax resolution services, offering up to in services to resolve IRS notices, inquiries, and audits.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
17Exact matchBroomfield, CO, United StatesHQ recorded Sep 6, 202651-20091 contacts →

Exact match

“Over the past 28 years, 20/20 Tax Resolution has helped over businesses and individuals reach successful resolutions with their IRS and state tax liabilities.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
18Exact matchNorman, OK, United StatesHQ recorded Sep 6, 202651-20076 contacts →

Exact match

“We are one of the largest tax resolution law firms in the nation.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
19Exact matchOakbrook Terrace, IL, United StatesHQ recorded Sep 6, 202651-20074 contacts →

Exact match

“XIT Solutions Inc, is a decade old startup with presence in US, Canada & India.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
20Exact matchDelray Beach, FL, United StatesHQ recorded Sep 6, 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 6, 2026 · View company records in RevenueBase
21Exact matchCosta Mesa, CA, United StatesHQ recorded Sep 6, 202651-20069 contacts →

Exact match

“Ideal Tax Solution (ITS) was established with the ideal of helping clients who are suffering through a tax debt issue, easing the stress and anxiety that comes with serious tax…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, CA, United StatesHQ recorded Sep 6, 202651-20065 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 6, 2026 · View company records in RevenueBase
23Exact matchSpokane, WA, United StatesHQ recorded Sep 6, 2026201-50064 contacts →

Exact match

“Protecting Finances Leading Tax Debt Relief Experts | IRS & State Resolution Specialists Settle Tax Debt & Regain Stability We help individuals and businesses navigate complex tax…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
24Exact matchVero Beach, FL, United StatesHQ recorded Sep 6, 202651-20062 contacts →

Exact match

“At Omni Tax Help, we provide expert, personalized solutions to resolve tax challenges for individuals and businesses nationwide.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25Exact matchColumbus, OH, United StatesHQ recorded Sep 6, 202611-5056 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 6, 2026 · View company records in RevenueBase

Showing 25 of 508 tax resolution software companies based in the United States

See the full list, filter by size, metro and specialty, and access 6,980 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax resolution software companies based in the United States at a glance

As of Sep 6, 2026
51.0%Verified-email coverage
33.2%Mobile-number coverage
26.9Average contacts per company
1-10Median size (employees)
3.9%Largest-city concentration · Houston
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
310
11-50
135
51-200
43
201-500
11
501-1,000
5
1,001-5,000
1
5,001-10,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 “tax resolution 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 6,980 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 6, 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 “tax resolution software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 508 company matches for tax resolution 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 tax resolution software companies?

Houston leads with 20 company records, followed by Los Angeles (14) and New York (13).

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 6,980 professional contacts with verified work emails tracked across these 508 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 6, 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.