Company lists · Data refreshed November 2026

Top 25 Sales tax services worldwide

RevenueBase identified 1,169 company matches for sales tax services worldwide as of November 2026 and tracks 83,767 professional contacts across them, including 15,809 with verified work emails. The United States is the largest market and Karachi the largest hub.

This list covers company matches for sales tax services worldwide, 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 November 6, 2026. Country and city lists for sales tax services follow the table.

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 Nov 6, 2026 How this list was built
1,169Companies
83,767Contacts tracked
15,809Verified emails
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The 25 largest sales tax services worldwide

Ranked by team size
Top 25 of 1,169 company matches for sales tax services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 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 matchKansas City, MO, United StatesHQ recorded Nov 6, 202610001+64,430 contacts →

Exact match

“H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDallas, CT, United StatesHQ recorded Nov 6, 20265,001-10,0006,580 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKing Of Prussia, PA, United StatesHQ recorded Nov 6, 20261,001-5,0002,636 contacts →

Exact match

“Vertex is the Decision-to-Defense™ global indirect tax and compliance company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAlicante, SpainHQ recorded Nov 6, 2026501-1,000464 contacts →

Exact match

“grupo gtt es una empresa tecnológica especializada en la gestión de tributos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchExton, GA, United StatesHQ recorded Nov 6, 2026501-1,000386 contacts →

Exact match

“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchOrem, UT, United StatesHQ recorded Nov 6, 2026201-500337 contacts →

Exact match

“Squire is a nationally recognized audit, tax, and business advisory firm serving clients across the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSantiago, ChileHQ recorded Nov 6, 2026201-500296 contacts →

Exact match

“La tecnología ha transformado a las empresas y ha cambiado para siempre la forma en que los gobiernos regulan.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000251 contacts →

Exact match

“Growth exposes financial weakness.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchFayetteville, AR, United StatesHQ recorded Nov 6, 202651-200232 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-200195 contacts →

Exact match

“Systax: The Evolution of Tax Intelligence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202651-200182 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200161 contacts →

Exact match

“Sales tax and VAT, solved.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBudapest, HungaryHQ recorded Nov 6, 202651-200156 contacts →

Exact match

“Taxually delivers fully automated VAT, GST and Sales Tax compliance solutions that cater for all business types, from online retailers to those with complex tax departments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202651-200137 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“A Avalara ajuda empresas de todos os tamanhos a ficarem em dia com seus impostos e obrigações fiscais exigidos pelo Fisco nos níveis Federal, Estadual e Municipal.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLewes, DE, United KingdomHQ recorded Nov 6, 202611-5087 contacts →

Exact match

“Inkle is an accounting and tax SaaS platform designed to help U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchValley Stream, NY, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAlpharetta, GA, United StatesHQ recorded Nov 6, 202611-5077 contacts →

Exact match

“TaxConnex® is your UPSOURCED compliance solution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDenver, CO, United StatesHQ recorded Nov 6, 202651-20076 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20074 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMumbai, IndiaHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“TMSL is a modern-day Tax Technology firm that provides tax services- technologically.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Tax.com™ solutions are powered by the insights and ingenuity of some of the most renowned business tax professionals at Ryan whose experience and expertise form the bedrock on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Iedereen heeft recht op een optimale fiscale aangifte.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202611-5067 contacts →

Exact match

“With over 2 million happy taxpayers, Quicko is India's fastest-growing tax platform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,169 sales tax services worldwide

See the full list, filter by size, metro and specialty, and access 15,809 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sales tax services worldwide at a glance

As of Nov 6, 2026
18.9%Verified-email coverage
71.7Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · Karachi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
758
11-50
297
51-200
78
201-500
12
501-1,000
7
1,001-5,000
2
5,001-10,000
2
10001+
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for sales tax services are linked below.
What qualifies
Company records worldwide whose business descriptions match “sales tax services” 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. 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 15,809 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 November 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.

Sales tax services by location

4 lists · largest first

Every Sales tax services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sales tax services are there worldwide?

RevenueBase identified 1,169 company matches for sales tax services worldwide as of November 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?

H&r Block tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most sales tax services?

The United States leads with 504 companies, followed by India (167) and Brazil (50). Every sales tax services list by country and city is linked on this page.

Which city has the most sales tax services?

Karachi leads with 20 company records, followed by Sao Paulo (16) and Houston (15).

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 15,809 professional contacts with verified work emails tracked across these 1,169 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 November 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.