Company lists · Data refreshed September 2026

Top 25 Irs compliance software companies based in the United States

RevenueBase identified 222 company matches for irs compliance software companies associated with the United States as of September 2026 and tracks 13,288 professional contacts across them, including 7,200 with verified work emails and 4,662 with mobile numbers. New York is the largest hub.

This list covers company matches for irs compliance 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 4, 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 4, 2026 How this list was built
222Companies
13,288Contacts tracked
7,200Verified emails
4,662Mobile numbers
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The 25 largest irs compliance software companies based in the United States

Ranked by team size
Top 25 of 222 company matches for irs compliance software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 4, 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, GA, United StatesHQ recorded Sep 4, 20265,001-10,0006,055 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 4, 2026 · View company records in RevenueBase
2Exact matchKing Of Prussia, FL, United StatesHQ recorded Sep 4, 20261,001-5,0002,060 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 4, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 4, 20261,001-5,0001,592 contacts →

Exact match

“Wolters Kluwer Tax & Accounting U.S.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
4Exact matchFranklin, United StatesHQ recorded Sep 4, 2026501-1,000560 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 4, 2026 · View company records in RevenueBase
5Exact matchLong Island City, NJ, United StatesHQ recorded Sep 4, 2026201-500306 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 4, 2026 · View company records in RevenueBase
6Exact matchIrvine, CA, United StatesHQ recorded Sep 4, 2026501-1,000287 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 4, 2026 · View company records in RevenueBase
7Exact matchFayetteville, TX, United StatesHQ recorded Sep 4, 202651-200200 contacts →

Exact match

“Zenwork, through its Tax1099 and Compliancely brands, is a fast-growing digital tax compliance and regulatory reporting technology company, with 10+ years of experience powering…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
8Exact matchFranklin, NC, United StatesHQ recorded Sep 4, 20261,001-5,000137 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 4, 2026 · View company records in RevenueBase
9Exact matchLathrop, CA, United StatesHQ recorded Sep 4, 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 4, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 4, 202651-200136 contacts →

Exact match

“Instead is where tax work gets done.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
11Exact matchGrand Rapids, WI, United StatesHQ recorded Sep 4, 202651-200122 contacts →

Exact match

“Greatland is a rapidly growing company of more than 135 employee-owners, all focused on building on our position as the leading provider of W-2 and 1099 reporting solutions for…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, United StatesHQ recorded Sep 4, 202651-200108 contacts →

Exact match

“Kintsugi is automating sales tax for every company globally.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
13Exact matchNewbury, NH, United StatesHQ recorded Sep 4, 2026n/a107 contacts →

Exact match

“Tax Preparer is a financial services company based out of 25 Washington St, Newbury, New Hampshire, United States.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
14Exact matchCollege Station, TX, United StatesHQ recorded Sep 4, 202611-5098 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 4, 2026 · View company records in RevenueBase
15Exact matchDelray Beach, FL, United StatesHQ recorded Sep 4, 202611-5072 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 4, 2026 · View company records in RevenueBase
16Exact matchMcminnville, OR, United StatesHQ recorded Sep 4, 202651-20057 contacts →

Exact match

“TTR, The Tax Research Company, provides everything sales, use, and transaction tax-related.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
17Exact matchAlpharetta, GA, United StatesHQ recorded Sep 4, 202611-5056 contacts →

Exact match

“CereTax is the first tax automation solution built to take advantage of the countless technological advancements over the last decade and engineered in a way that truly transforms…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
18Exact matchColumbus, OH, United StatesHQ recorded Sep 4, 202611-5054 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 4, 2026 · View company records in RevenueBase
19Exact matchGrand Forks, ND, United StatesHQ recorded Sep 4, 202651-20052 contacts →

Exact match

“Located in Grand Forks, ND, Aatrix Software, a Sovos Company has been developing innovative accounting software solutions since 1986.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
20Exact matchValencia, CA, United StatesHQ recorded Sep 4, 2026n/a36 contacts →

Exact match

“IRS Solutions® is a full-service tax resolution and IRS monitoring platform that helps CPAs, attorneys, and enrolled agents earn more in fewer hours at their desks.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
21Exact matchLos Angeles, CA, United StatesHQ recorded Sep 4, 202611-5035 contacts →

Exact match

“At Sattar & Associates, we provide relevant, timely, and innovative solutions to address the mounting jurisdictional demands in multi-state Sales and Use Tax, and business…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
22Exact matchOxnard, CA, United StatesHQ recorded Sep 4, 202611-5025 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
23Exact matchBirmingham, AL, United StatesHQ recorded Sep 4, 202611-5022 contacts →

Exact match

“Who Are We?”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Sep 4, 202651-20021 contacts →

Exact match

“TaxJar was founded in 2013 to help e-commerce companies automate the entire sales tax lifecycle from calculations and nexus tracking to reporting and filing.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
25Exact matchMountain View, CA, United StatesHQ recorded Sep 4, 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 4, 2026 · View company records in RevenueBase

Showing 25 of 222 irs compliance software companies based in the United States

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Irs compliance software companies based in the United States at a glance

As of Sep 4, 2026
54.2%Verified-email coverage
35.1%Mobile-number coverage
59.9Average contacts per company
11-50Median size (employees)
3.6%Largest-city concentration · New York
Sep 4, 2026Page data refreshed

Companies by employee count

1-10
108
11-50
68
51-200
30
201-500
5
501-1,000
3
1,001-5,000
4
5,001-10,000
1
10001+
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 “irs compliance 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 7,200 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 4, 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 “irs compliance software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many irs compliance software companies are there based in the United States?

RevenueBase identified 222 company matches for irs compliance 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 irs compliance software companies?

New York leads with 8 company records, followed by Chicago (6) and Houston (5).

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 7,200 professional contacts with verified work emails tracked across these 222 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 4, 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.