Company lists · Data refreshed October 2026

Top 25 International tax compliance companies based in the United States

RevenueBase identified 633 company matches for international tax compliance companies associated with the United States as of October 2026 and tracks 11,902 professional contacts across them, including 6,123 with verified work emails. New York is the largest hub.

This list covers company matches for international 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
633Companies
11,902Contacts tracked
6,123Verified emails
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The 25 largest international tax compliance companies based in the United States

Ranked by team size
Top 25 of 633 company matches for international 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 matchDallas, TX, United StatesHQ recorded Oct 22, 20265,001-10,0006,427 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 · Oct 22, 2026 · View company records in RevenueBase
2Exact matchPalo Alto, CA, United StatesHQ recorded Oct 22, 2026201-500417 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchWayne, PA, United StatesHQ recorded Oct 22, 2026201-500291 contacts →

Exact match

“GTM is a leading provider of corporate tax services.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchSterling, VA, United StatesHQ recorded Oct 22, 2026201-500230 contacts →

Exact match

“AOTAX is a leading U.S.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchFayetteville, AR, United StatesHQ recorded Oct 22, 202651-200214 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 · Oct 22, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202651-200144 contacts →

Exact match

“Founded in 1947, Funaro & Co.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchPlano, TX, United StatesHQ recorded Oct 22, 202651-200114 contacts →

Exact match

“At MyTaxFiler, we offer more than just tax preparation-we provide peace of mind.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchAtlanta, GA, United StatesHQ recorded Oct 22, 202651-200106 contacts →

Exact match

“KNAV is a dynamic global accounting and consulting firm, offering a comprehensive range of services including accounting, assurance, taxation, international transfer pricing…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchSunrise, FL, United StatesHQ recorded Oct 22, 202651-20084 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchD.c., WA, United StatesHQ recorded Oct 22, 202611-5084 contacts →

Exact match

“Tax Executives Institute is the preeminent association of in-house tax professionals worldwide.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchUnited StatesHQ recorded Oct 22, 202651-20082 contacts →

Exact match

“Crescent Tax Filing, Inc- Your Trusted Partner in US #Tax Services for Over 7 Years Welcome to Crescent Tax Filing, Inc, your go-to destination for comprehensive US Tax…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchFrisco, TX, United StatesHQ recorded Oct 22, 202651-20082 contacts →

Exact match

“AG FinTax is a full-service tax advisory and financial consulting firm headquartered in Frisco, Texas, with offices in Bothell, WA and Hyderabad, India.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchMiami, FL, United StatesHQ recorded Oct 22, 202651-20075 contacts →

Exact match

“We are a team of experienced international economists, MBAs, tax lawyers, and accountants, here to help your company with all your Transfer Pricing, Valuation, and related…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202651-20064 contacts →

Exact match

“With clients in every country worldwide, Bright!Tax is the go-to cloud-based US expat tax prep firm most sought after by the 10 million Americans who are living abroad.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchArlington, VA, United StatesHQ recorded Oct 22, 20261,001-5,00064 contacts →

Exact match

“Bloomberg Tax provides comprehensive global research & news services enabling tax professionals to get the timely, accurate and in-depth information they need to plan and comply…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchNy, United StatesHQ recorded Oct 22, 202651-20056 contacts →

Exact match

“Tax Preparation for U.S.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchFairfax, VA, United StatesHQ recorded Oct 22, 202651-20053 contacts →

Exact match

“The Wolf Group is a professional services firm based in Washington, D.C.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Oct 22, 202651-20052 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchGrandville, MI, United StatesHQ recorded Oct 22, 202611-5043 contacts →

Exact match

“Greenback makes life better for Americans living abroad and aims to take away the anxiety and hassle of helping US expats become and stay compliant with their US taxes while…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchFort Lauderdale, FL, United StatesHQ recorded Oct 22, 202611-5040 contacts →

Exact match

“Sagemont Advisors is your trusted partner for tax and regulatory reporting advisory services.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 22, 202611-5038 contacts →

Exact match

“Advantous uniquely provides customizable end-to-end tax solutions that range from turnkey compliance services to high-level planning and advisory consulting.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202611-5037 contacts →

Exact match

“We believe that filing your US tax return should be easy and painless, no matter where you are in the world.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact 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
24Exact matchAtlanta, GA, United StatesHQ recorded Oct 22, 202611-5029 contacts →

Exact match

“Steele Consulting LLC is a national tax consulting firm providing Fortune companies with credentialed, experienced consultants having a high degree of technical tax proficiency.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchPhoenixville, PA, United StatesHQ recorded Oct 22, 2026201-50025 contacts →

Exact match

“V Tax Filing is a firm of U.S.”

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

Showing 25 of 633 international tax compliance companies based in the United States

See the full list, filter by size, metro and specialty, and access 6,123 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Oct 22, 2026
51.4%Verified-email coverage
18.8Average contacts per company
1-10Median size (employees)
5.2%Largest-city concentration · New York
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
430
11-50
145
51-200
40
201-500
9
1,001-5,000
4
5,001-10,000
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 633 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 “international 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 6,123 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 “international tax compliance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 633 company matches for international 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?

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

Which city has the most international tax compliance companies?

New York leads with 33 company records, followed by Miami (29) and Houston (25).

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 6,123 professional contacts with verified work emails tracked across these 633 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.