Company lists · Data refreshed October 2026
Top 25 AI tax research software companies based in the United States
RevenueBase identified 83 company matches for AI tax research software companies associated with the United States as of October 2026 and tracks 3,100 professional contacts across them, including 1,222 with verified work emails. San Francisco is the largest hub.
This list covers company matches for AI tax research 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 October 20, 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.
The 25 largest AI tax research software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,648 contacts → | ||||
Exact match “Wolters Kluwer Tax & Accounting U.S.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 2 | 300 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 | |||||
| 3 | 190 contacts → | ||||
Exact match “Instead is where tax work gets done.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 4 | 137 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 | |||||
| 5 | 68 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 · Oct 20, 2026 · View company records in RevenueBase | |||||
| 6 | 62 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 · Oct 20, 2026 · View company records in RevenueBase | |||||
| 7 | 60 contacts → | ||||
Exact match “TTR, The Tax Research Company, provides everything sales, use, and transaction tax-related.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 8 | 55 contacts → | ||||
Exact match “TaxGPT is an AI operating system for tax, accounting, and advisory firms, automating tax preparation, research, document analysis, memos, and client management to boost…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 9 | 52 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 · Oct 20, 2026 · View company records in RevenueBase | |||||
| 10 | 33 contacts → | ||||
Exact match “Accordance is Frontier AI for tax, audit, and CPA teams.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 11 | 28 contacts → | ||||
Exact match “Keeper has completely reimagined taxes for complex filers.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 12 | 28 contacts → | ||||
Exact match “Incentify is the leading AI-powered platform for tax credits and incentives.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 13 | 21 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 · Oct 20, 2026 · View company records in RevenueBase | |||||
| 14 | 19 contacts → | ||||
Exact match “TaxPlanIQ is an AI-powered tax planning software built for accounting firms and advisory professionals who want to deliver strategic, ROI-driven tax plans for clients at scale.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 15 | 18 contacts → | ||||
Exact match “Who Are We?” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 16 | 13 contacts → | ||||
Exact match “Innovative software for Partnership Tax in the AI era.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 17 | 13 contacts → | ||||
Exact match “The first AI platform built for end-to-end autonomous tax preparation.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 18 | 13 contacts → | ||||
Exact match “SeemaS is building an AI-powered platform for valuation, transfer pricing, and international tax compliance.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 19 | 11 contacts → | ||||
Exact match “Neo.Tax is building the easiest and most accurate tax filing and automation software.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “Taxware Systems has been developing tax software for 40 years.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 21 | 9 contacts → | ||||
Exact match “DMI is the premier provider of software relating to tax and interest review for federal and state taxes, FIN 48 compliance and implementation, and Failure To Deposit (FTD) Penalty…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “UltimateTax, Ultimate Tax Service, Inc.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 23 | 8 contacts → | ||||
Exact match “Aviation CPAs is dedicated to assisting clients with identifying, protecting and preserving tax deductions for their aircraft.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match “Titan Armor, a division of Titan Engineering, is a tax software provider specializing in the R&D Tax Credit.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 25 | 6 contacts → | ||||
Exact match “A Customer Driven Company Dedicated to the success of your Tax Business Over the years SwiftFP has provided innovative tax software solution and services to tax professionals…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “AI tax research software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 83 AI tax research software companies based in the United States
See the full list, filter by size, metro and specialty, and access 1,222 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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AI tax research software companies based in the United States at a glance
As of Oct 20, 2026Companies by employee count
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 83 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 “AI tax research 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 1,222 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.
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 “AI tax research software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many AI tax research software companies are there based in the United States?
RevenueBase identified 83 company matches for AI tax research software companies associated with the United States 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?
Wolters Kluwer TAX & Accounting US tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most AI tax research software companies?
San Francisco leads with 8 company records, followed by New York (7) and Boston (3).
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 1,222 professional contacts with verified work emails tracked across these 83 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.
Ready to reach these companies? Verified emails and direct dials for all 83 AI tax research software companies based in the United States. Start with a free account, no credit card.
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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.
More company lists
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- AI companies based in the United States
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Company intelligence · public preview
Top 25 AI tax research software companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 83 matching company records for AI tax research software companies based in the United States, with 3,100 tracked contacts and 1,222 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 AI tax research software companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Wolters Kluwer TAX & Accounting USwolterskluwer.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 1,648 contacts → |
“Wolters Kluwer Tax & Accounting U.S.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  TAX Technologies, INCtaxtechnologies.comHQ: Long Island City, NY, United StatesReported employees: 201-500 | Long Island City, NY, United States | 201-500 | Exact match | 300 contacts → |
“TTI’s flagship product, Tax Series, is an all-inclusive SaaS solution that can handle all aspects of U.S.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Insteadinstead.comHQ: San Francisco, FL, United StatesReported employees: 51-200 | San Francisco, FL, United States | 51-200 | Exact match | 190 contacts → |
“Instead is where tax work gets done.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Crosslink Professional TAX Solutionscrosslinktax.comHQ: Lathrop, CA, United StatesReported employees: 51-200 | Lathrop, CA, United States | 51-200 | Exact match | 137 contacts → |
“CrossLink Professional Tax Solutions (CPTS) is a leading provider of professional tax software solutions for professional tax preparers across the United States.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Orbitaxorbitax.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 68 contacts → |
“Orbitax empowers tax professionals with intelligent, AI-driven solutions that unify processes, simplify compliance, and empower meaningful collaboration.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  TAX Compliance, INCcscglobal.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 62 contacts → |
“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 description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  TTRavalara.comHQ: Mcminnville, OR, United StatesReported employees: 51-200 | Mcminnville, OR, United States | 51-200 | Exact match | 60 contacts → |
“TTR, The Tax Research Company, provides everything sales, use, and transaction tax-related.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Taxgpttaxgpt.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 55 contacts → |
“TaxGPT is an AI operating system for tax, accounting, and advisory firms, automating tax preparation, research, document analysis, memos, and client management to boost…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Sorabansoraban.comHQ: Chandler, AZ, United StatesReported employees: 51-200 | Chandler, AZ, United States | 51-200 | Exact match | 52 contacts → |
“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 description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Accordanceaccordance.comHQ: San Francisco, NY, United StatesReported employees: 11-50 | San Francisco, NY, United States | 11-50 | Exact match | 33 contacts → |
“Accordance is Frontier AI for tax, audit, and CPA teams.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Keeperkeepertax.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 28 contacts → |
“Keeper has completely reimagined taxes for complex filers.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Incentifyincentify.com HQ: El Segundo, CA, United StatesReported employees: 51-200 | El Segundo, CA, United States | 51-200 | Exact match | 28 contacts → |
“Incentify is the leading AI-powered platform for tax credits and incentives.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Cordiancecordiance.comHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 21 contacts → |
“We implement tax engines and build tools to make it easier to manage your tax engine.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Taxplaniqtaxplaniq.comHQ: Southlake, TX, United StatesReported employees: 11-50 | Southlake, TX, United States | 11-50 | Exact match | 19 contacts → |
“TaxPlanIQ is an AI-powered tax planning software built for accounting firms and advisory professionals who want to deliver strategic, ROI-driven tax plans for clients at scale.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  smartwiz.iosmartwiz.aiHQ: Birmingham, AL, United StatesReported employees: 11-50 | Birmingham, AL, United States | 11-50 | Exact match | 18 contacts → |
“Who Are We?” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Crimson Tree Softwarecrimsontreesoftware.comHQ: Arlington, MA, United StatesReported employees: 11-50 | Arlington, MA, United States | 11-50 | Exact match | 13 contacts → |
“Innovative software for Partnership Tax in the AI era.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Black OREblackore.ai HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 13 contacts → |
“The first AI platform built for end-to-end autonomous tax preparation.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Seemasseemas.aiHQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 13 contacts → |
“SeemaS is building an AI-powered platform for valuation, transfer pricing, and international tax compliance.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | neo.taxneo.tax HQ: Mountain View, CA, United StatesReported employees: 11-50 | Mountain View, CA, United States | 11-50 | Exact match | 11 contacts → |
“Neo.Tax is building the easiest and most accurate tax filing and automation software.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Taxware Systems INCtaxwaresystems.comHQ: Upland, CA, United StatesReported employees: 11-50 | Upland, CA, United States | 11-50 | Exact match | 10 contacts → |
“Taxware Systems has been developing tax software for 40 years.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Decision Modeling INCdmitax.comHQ: Mahwah, NJ, United StatesReported employees: 11-50 | Mahwah, NJ, United States | 11-50 | Exact match | 9 contacts → |
“DMI is the premier provider of software relating to tax and interest review for federal and state taxes, FIN 48 compliance and implementation, and Failure To Deposit (FTD) Penalty…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Ultimatetaxultimatetax.comHQ: Muscatine, IA, United StatesReported employees: 11-50 | Muscatine, IA, United States | 11-50 | Exact match | 9 contacts → |
“UltimateTax, Ultimate Tax Service, Inc.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Aviation Cpasaviationcpas.comHQ: Fort Lauderdale, FL, United StatesReported employees: 1-10 | Fort Lauderdale, FL, United States | 1-10 | Exact match | 8 contacts → |
“Aviation CPAs is dedicated to assisting clients with identifying, protecting and preserving tax deductions for their aircraft.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Titan Armortitanarmor.com HQ: Centennial, CO, United StatesReported employees: 11-50 | Centennial, CO, United States | 11-50 | Exact match | 6 contacts → |
“Titan Armor, a division of Titan Engineering, is a tax software provider specializing in the R&D Tax Credit.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Swiftfpswiftfp.comHQ: Columbus, OH, United StatesReported employees: 11-50 | Columbus, OH, United States | 11-50 | Exact match | 6 contacts → |
“A Customer Driven Company Dedicated to the success of your Tax Business Over the years SwiftFP has provided innovative tax software solution and services to tax professionals…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 83 company matches
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AI tax research software companies: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
83 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 83 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for AI tax research software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many AI tax research software companies did RevenueBase find based in the United States?
The saved snapshot records 83 matching company records, 3,100 tracked contacts and 1,222 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 25 AI tax research software companies based in the United States. Snapshot: October 20, 2026. https://revenuebase.ai/companies/ai-tax-research-software-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 25 AI tax research software companies based in the United States
RevenueBase records 83 matching company records for AI tax research software companies based in the United States, with 3,100 tracked contacts and 1,222 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 AI tax research software companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Wolters Kluwer TAX & Accounting USwolterskluwer.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 1,648 contacts → |
“Wolters Kluwer Tax & Accounting U.S.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | TAX Technologies, INCtaxtechnologies.com HQ: Long Island City, NY, United StatesReported employees: 201-500 | Long Island City, NY, United States | 201-500 | Exact match | 300 contacts → |
“TTI’s flagship product, Tax Series, is an all-inclusive SaaS solution that can handle all aspects of U.S.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Insteadinstead.com HQ: San Francisco, FL, United StatesReported employees: 51-200 | San Francisco, FL, United States | 51-200 | Exact match | 190 contacts → |
“Instead is where tax work gets done.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Crosslink Professional TAX Solutionscrosslinktax.com HQ: Lathrop, CA, United StatesReported employees: 51-200 | Lathrop, CA, United States | 51-200 | Exact match | 137 contacts → |
“CrossLink Professional Tax Solutions (CPTS) is a leading provider of professional tax software solutions for professional tax preparers across the United States.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Orbitaxorbitax.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 68 contacts → |
“Orbitax empowers tax professionals with intelligent, AI-driven solutions that unify processes, simplify compliance, and empower meaningful collaboration.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | TAX Compliance, INCcscglobal.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 62 contacts → |
“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 description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | TTRavalara.com HQ: Mcminnville, OR, United StatesReported employees: 51-200 | Mcminnville, OR, United States | 51-200 | Exact match | 60 contacts → |
“TTR, The Tax Research Company, provides everything sales, use, and transaction tax-related.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Taxgpttaxgpt.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 55 contacts → |
“TaxGPT is an AI operating system for tax, accounting, and advisory firms, automating tax preparation, research, document analysis, memos, and client management to boost…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sorabansoraban.com HQ: Chandler, AZ, United StatesReported employees: 51-200 | Chandler, AZ, United States | 51-200 | Exact match | 52 contacts → |
“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 description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Accordanceaccordance.com HQ: San Francisco, NY, United StatesReported employees: 11-50 | San Francisco, NY, United States | 11-50 | Exact match | 33 contacts → |
“Accordance is Frontier AI for tax, audit, and CPA teams.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Keeperkeepertax.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 28 contacts → |
“Keeper has completely reimagined taxes for complex filers.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Incentifyincentify.com HQ: El Segundo, CA, United StatesReported employees: 51-200 | El Segundo, CA, United States | 51-200 | Exact match | 28 contacts → |
“Incentify is the leading AI-powered platform for tax credits and incentives.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cordiancecordiance.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 21 contacts → |
“We implement tax engines and build tools to make it easier to manage your tax engine.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Taxplaniqtaxplaniq.com HQ: Southlake, TX, United StatesReported employees: 11-50 | Southlake, TX, United States | 11-50 | Exact match | 19 contacts → |
“TaxPlanIQ is an AI-powered tax planning software built for accounting firms and advisory professionals who want to deliver strategic, ROI-driven tax plans for clients at scale.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | smartwiz.iosmartwiz.ai HQ: Birmingham, AL, United StatesReported employees: 11-50 | Birmingham, AL, United States | 11-50 | Exact match | 18 contacts → |
“Who Are We?” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Crimson Tree Softwarecrimsontreesoftware.com HQ: Arlington, MA, United StatesReported employees: 11-50 | Arlington, MA, United States | 11-50 | Exact match | 13 contacts → |
“Innovative software for Partnership Tax in the AI era.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Black OREblackore.ai HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 13 contacts → |
“The first AI platform built for end-to-end autonomous tax preparation.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Seemasseemas.ai HQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 13 contacts → |
“SeemaS is building an AI-powered platform for valuation, transfer pricing, and international tax compliance.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | neo.taxneo.tax HQ: Mountain View, CA, United StatesReported employees: 11-50 | Mountain View, CA, United States | 11-50 | Exact match | 11 contacts → |
“Neo.Tax is building the easiest and most accurate tax filing and automation software.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Taxware Systems INCtaxwaresystems.com HQ: Upland, CA, United StatesReported employees: 11-50 | Upland, CA, United States | 11-50 | Exact match | 10 contacts → |
“Taxware Systems has been developing tax software for 40 years.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Decision Modeling INCdmitax.com HQ: Mahwah, NJ, United StatesReported employees: 11-50 | Mahwah, NJ, United States | 11-50 | Exact match | 9 contacts → |
“DMI is the premier provider of software relating to tax and interest review for federal and state taxes, FIN 48 compliance and implementation, and Failure To Deposit (FTD) Penalty…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Ultimatetaxultimatetax.com HQ: Muscatine, IA, United StatesReported employees: 11-50 | Muscatine, IA, United States | 11-50 | Exact match | 9 contacts → |
“UltimateTax, Ultimate Tax Service, Inc.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Aviation Cpasaviationcpas.com HQ: Fort Lauderdale, FL, United StatesReported employees: 1-10 | Fort Lauderdale, FL, United States | 1-10 | Exact match | 8 contacts → |
“Aviation CPAs is dedicated to assisting clients with identifying, protecting and preserving tax deductions for their aircraft.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Titan Armortitanarmor.com HQ: Centennial, CO, United StatesReported employees: 11-50 | Centennial, CO, United States | 11-50 | Exact match | 6 contacts → |
“Titan Armor, a division of Titan Engineering, is a tax software provider specializing in the R&D Tax Credit.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Swiftfpswiftfp.com HQ: Columbus, OH, United StatesReported employees: 11-50 | Columbus, OH, United States | 11-50 | Exact match | 6 contacts → |
“A Customer Driven Company Dedicated to the success of your Tax Business Over the years SwiftFP has provided innovative tax software solution and services to tax professionals…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 83 company matches
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AI tax research software companies: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
83 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 83 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for AI tax research software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many AI tax research software companies did RevenueBase find based in the United States?
The saved snapshot records 83 matching company records, 3,100 tracked contacts and 1,222 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 25 AI tax research software companies based in the United States. Snapshot: October 20, 2026. https://revenuebase.ai/companies/ai-tax-research-software-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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