Company lists · Data refreshed September 2026
Top 25 Sales tax consulting firms based in the United States
RevenueBase identified 501 sales tax consulting firms headquartered in the United States as of September 2026 and tracks 4,680 professional contacts across them, including 2,363 with verified work emails. Houston is the largest hub.
This list covers sales tax consulting firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 sales tax consulting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 861 contacts → | ||||
Partial evidence “Great Place to Work® Certified™ DMA, a proudly employee-owned company, has been solving corporate tax challenges for its clients since 1972.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 399 contacts → | ||||
Strong evidence “Originating from the English and Latin roots of “apercu,” an act of insight, and “census,” an applied study of wealth and property, Apercen is a tax consulting firm offering high…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 266 contacts → | ||||
Partial evidence “With over 550 clients in 24 states, Tax Management Associates (TMA) is a leader in assisting state and local governments to maximize their revenue streams.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 108 contacts → | ||||
Strong evidence “Sales tax and VAT, solved.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 105 contacts → | ||||
Strong evidence “Kintsugi is automating sales tax for every company globally.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 88 contacts → | ||||
Partial evidence “CTI specializes in helping businesses take full advantage of the tax credits and incentives they’re entitled to receive.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 80 contacts → | ||||
Strong evidence “Property Valuation Services is a boutique property tax consulting firm, specializing in the reduction of property tax liability for our clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 74 contacts → | ||||
Strong evidence “Zamp provides real sales tax relief, not just software-we completely handle your sales tax compliance so you don't have to.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 72 contacts → | ||||
Indirect evidence “TaxConnex® is your UPSOURCED compliance solution.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 70 contacts → | ||||
Partial evidence “Neil Jesani Tax Advisors, Inc.(NJA) provides a full suite of tax, compliance, accounting, resolution and advisory services, drawing on extensive industry knowledge to serve high…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 61 contacts → | ||||
Strong evidence “Navigating the labyrinth of sales tax is more than just an annoyance for e-commerce, SaaS, and other online sellers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 54 contacts → | ||||
Partial evidence “Think, LLP is a national professional tax services firm that consists of former Big-4 partners from the national tax practices, attorneys, CPAs, engineers, former IRS technicians…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 48 contacts → | ||||
Strong evidence “ERTC.com is a tax consulting firm with a singular goal - to provide expert assistance to small business clients around the Employee Retention Tax Credit.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 45 contacts → | ||||
Strong evidence “Strategic Tax Planning is a premier tax and financial consulting firm in Annapolis, Maryland, serving as a trusted partner for individuals, businesses, and entrepreneurs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 45 contacts → | ||||
Partial evidence “Clarus Partners, a Richey May company, provides specialized indirect tax compliance and advisory services to businesses across a wide range of industries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 37 contacts → | ||||
Indirect evidence “We're saving your spot!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 37 contacts → | ||||
Partial evidence “Headquartered in Houston, Texas, Texas Tax Group is a talented team of former Texas Comptroller State Tax Auditors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 37 contacts → | ||||
Partial evidence “Invoke Tax Partners delivers state and local tax solutions to corporations across the nation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 36 contacts → | ||||
Partial evidence “Defending your peace of mind, 100% of the time!" We are a Strategic Tax & Cost Management Firm.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 36 contacts → | ||||
Strong evidence “The Sales Tax People are trusted advisors for businesses dealing with sales tax complexity.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 35 contacts → | ||||
Partial evidence “We are passionate about state tax.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 35 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 34 contacts → | ||||
Partial evidence “Sarus is a highly focused and skilled firm specializing in “Transaction Tax Automation”.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 33 contacts → | ||||
Strong evidence “Advantous uniquely provides customizable end-to-end tax solutions that range from turnkey compliance services to high-level planning and advisory consulting.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 33 contacts → | ||||
Strong evidence “Steele Consulting LLC is a national tax consulting firm providing Fortune companies with credentialed, experienced consultants having a high degree of technical tax proficiency.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: sales tax consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names sales tax consulting firms.
- Partial evidence
- Its own public description names part of sales tax consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name sales tax consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 501 sales tax consulting firms based in the United States
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Sales tax consulting firms based in the United States at a glance
As of Sep 29, 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 501 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among sales tax consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “sales tax consulting firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names sales tax consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among sales tax consulting firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 2,363 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Sales tax consulting firms by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names sales tax consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many sales tax consulting firms are there based in the United States?
RevenueBase identified 501 sales tax consulting firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
DMA, headquartered in Fort Wayne, tops this list with the largest team on record.
Which city has the most sales tax consulting firms?
Houston leads with 25 headquartered companies, followed by Dallas (19) and New York (16).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,363 verified decision-maker contacts tracked across these 501 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
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Sales tax consulting firms by geography
- Sales tax consulting firms based in Vienna, Austria
- Sales tax consulting firms based in Berlin, Germany
- Sales tax consulting firms based in Hamburg, Germany
- Sales tax consulting firms based in Hanover, Germany
- Sales tax consulting firms based in Houston, United States
- Sales tax consulting firms based in Austria
- Sales tax consulting firms based in Brazil
- Sales tax consulting firms based in Canada
- Sales tax consulting firms based in Germany
- Sales tax consulting firms based in India
- Sales tax consulting firms based in Indonesia
- Sales tax consulting firms based in Italy
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 Smart Search, 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.
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