Company lists · Data refreshed October 2026

Top 25 Sales tax compliance companies based in the United States

RevenueBase identified 110 company matches for sales tax compliance companies associated with the United States as of October 2026 and tracks 1,669 professional contacts across them, including 756 with verified work emails. Dallas is the largest hub.

This list covers company matches for sales tax compliance 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 22, 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 Oct 22, 2026 How this list was built
110Companies
1,669Contacts tracked
756Verified emails
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The 25 largest sales tax compliance companies based in the United States

Ranked by team size
Top 25 of 110 company matches for sales tax compliance companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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 matchSan Francisco, United StatesHQ recorded Oct 22, 202651-200174 contacts →

Exact match

“Anrok is the intelligent tax infrastructure for global businesses.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Oct 22, 202651-200151 contacts →

Exact match

“Sales tax and VAT, solved.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, United StatesHQ recorded Oct 22, 202651-200130 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202611-5078 contacts →

Exact match

“Zamp provides real sales tax relief, not just software-we completely handle your sales tax compliance so you don't have to.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchAlpharetta, GA, United StatesHQ recorded Oct 22, 202611-5074 contacts →

Exact match

“TaxConnex® is your UPSOURCED compliance solution.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchAustin, TX, United StatesHQ recorded Oct 22, 202651-20073 contacts →

Exact match

“TaxCloud is a sales tax compliance solution for growing ecommerce and SaaS businesses that combines powerful automation with real human support.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchDenver, CO, United StatesHQ recorded Oct 22, 202651-20073 contacts →

Exact match

“Navigating the labyrinth of sales tax is more than just an annoyance for e-commerce, SaaS, and other online sellers.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchAppleton, WI, United StatesHQ recorded Oct 22, 202611-5060 contacts →

Exact match

“IGEN delivers the most comprehensive tax compliance platform for managing complex, multi-jurisdictional indirect tax obligations, purpose-built for the full compliance lifecycle.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchMcminnville, OR, United StatesHQ recorded Oct 22, 202651-20060 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchLongwood, FL, United StatesHQ recorded Oct 22, 202651-20045 contacts →

Exact match

“Telecom Taxes, USF, Tax Rating, FCC/PUC Compliance and Secretary of State Filings Compliance Solutions, Inc.(CSI) is the leading provider of telecom tax, USF and regulatory…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchDallas, TX, United StatesHQ recorded Oct 22, 202611-5039 contacts →

Exact match

“The Sales Tax People are trusted advisors for businesses dealing with sales tax complexity.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchLos Angeles, CA, United StatesHQ recorded Oct 22, 202611-5038 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 · Oct 22, 2026 · View company records in RevenueBase
13Exact matchColumbus, OH, United StatesHQ recorded Oct 22, 202651-20037 contacts →

Exact match

“Clarus Partners, a Richey May company, provides specialized indirect tax compliance and advisory services to businesses across a wide range of industries.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchSimms, TX, United StatesHQ recorded Oct 22, 202611-5035 contacts →

Exact match

“We are passionate about state tax.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchAtlanta, GA, United StatesHQ recorded Oct 22, 202611-5033 contacts →

Exact match

“Synexus is comprised of state and local tax experts spanning the country, joining forces to create the ultimate indirect tax solution.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202611-5033 contacts →

Exact match

“Most companies find out they have a sales tax problem the same way: a letter from a state they didn't know they owed tax in.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchCarrollton, TX, United StatesHQ recorded Oct 22, 202651-20032 contacts →

Exact match

“The Sabrix name has been sunset and the application is now part of Thomson Reuters ONESOURCE Indirect Tax.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Oct 22, 202651-20031 contacts →

Exact match

“Sphere automates tax compliance for the $200T+ in goods and services sold across borders every year.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchLemoyne, PA, United StatesHQ recorded Oct 22, 202611-5021 contacts →

Exact match

“At KeyTax, our focus is sales and use tax.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Oct 22, 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 · Oct 22, 2026 · View company records in RevenueBase
21Exact matchPeachtree Corners, GA, United StatesHQ recorded Oct 22, 202611-5020 contacts →

Exact match

“Agile Consulting Group is a group of sales tax consultants who specialize in helping businesses identify & recover sales and use tax refunds, manage sales tax audits, and reduce…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchKingwood, TX, United StatesHQ recorded Oct 22, 202611-5020 contacts →

Exact match

“State Tax Advisors, a multi-state sales, use, property and franchise tax consulting firm, is focused on helping business cope with the maze of ever-changing state and local tax…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchPasadena, CA, United StatesHQ recorded Oct 22, 20261-1019 contacts →

Exact match

“The Gable Tax Group has over 29 years’ experience in providing sales and use tax compliance and consulting services to small, medium and large companies.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchSeattle, WA, United StatesHQ recorded Oct 22, 202611-5019 contacts →

Exact match

“DAVO Sales Tax automatically sets your sales tax aside daily using sales data from your POS.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchRoseville, CA, United StatesHQ recorded Oct 22, 202611-5018 contacts →

Exact match

“Thompson Tax LLC offers personalized services for your multistate sales and use tax needs.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

Showing 25 of 110 sales tax compliance companies based in the United States

See the full list, filter by size, metro and specialty, and access 756 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sales tax compliance companies based in the United States at a glance

As of Oct 22, 2026
45.3%Verified-email coverage
15.2Average contacts per company
1-10Median size (employees)
5.5%Largest-city concentration · Dallas
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
59
11-50
38
51-200
12
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 110 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 “sales tax compliance 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 756 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 22, 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 “sales tax compliance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sales tax compliance companies are there based in the United States?

RevenueBase identified 110 company matches for sales tax compliance 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?

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

Which city has the most sales tax compliance companies?

Dallas leads with 6 company records, followed by Atlanta (4) and Boston (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 756 professional contacts with verified work emails tracked across these 110 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 22, 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.