Company lists · Data refreshed October 2026

Top 25 Offshore tax compliance firms based in the United States

RevenueBase identified 663 company matches for offshore tax compliance firms associated with the United States as of October 2026 and tracks 10,905 professional contacts across them, including 6,195 with verified work emails. New York is the largest hub.

This list covers company matches for offshore tax compliance firms 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
663Companies
10,905Contacts tracked
6,195Verified emails
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The 25 largest offshore tax compliance firms based in the United States

Ranked by team size
Top 25 of 663 company matches for offshore tax compliance firms 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 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
5Exact matchLa Jolla, CA, United StatesHQ recorded Oct 22, 202651-200125 contacts →

Exact match

“Since 1985, we’ve built a firm where clients receive the highest quality of services, where our people play an important role as they grow professionally and where we as a firm…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202651-200111 contacts →

Exact match

“Advisory & Tax Services With 14 Offices in the USA, located in Atlanta, Boston, Chicago, Dallas, Fort Lauderdale, Houston, Los Angeles, Miami, New York, Orlando, Palo Alto, San…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchCypress, CA, United StatesHQ recorded Oct 22, 202651-20096 contacts →

Exact match

“Our mission is to provide our clients with the best in professional services, with an authentic personal approach.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchCoral Gables, FL, United StatesHQ recorded Oct 22, 202651-20091 contacts →

Exact match

“AbitOs specializes in the unique accounting and tax needs of high net-worth individuals with international lifestyles, LATAM, Canadian, and other non-US entities doing business in…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchTexas, TX, United StatesHQ recorded Oct 22, 202651-20064 contacts →

Exact match

“Welcome to Intellgus, the firm that’s reshaping the landscape of offshore staffing solutions for CPAs, accounting firms, and tax professionals.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchMinneapolis, MN, United StatesHQ recorded Oct 22, 2026201-50054 contacts →

Exact match

“USFAAF’s global expansion brings new international standards to its clients in the Middle East.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact 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
15Exact 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
16Exact 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
17Exact 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
18Exact matchTomball, TX, United StatesHQ recorded Oct 22, 202651-20040 contacts →

Exact match

“Smart Accountants, a Springline company, is a leading accounting and advisory firm dedicated to empowering fast-growing businesses since 2016.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchKnoxville, TN, United StatesHQ recorded Oct 22, 202651-20039 contacts →

Exact match

“At The Accounting Lab, we are dedicated to helping individuals and businesses optimize their financial success through effective tax minimization strategies.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202611-5033 contacts →

Exact match

“Grant, Herrmann, Schwartz & Klinger LLP is a private client services law firm with offices located in New York and Florida.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchRonkonkoma, NY, United StatesHQ recorded Oct 22, 202611-5028 contacts →

Exact match

“Our services strive to make your job easier so you have more time to focus on building your business in Long Island, across the country, and around the world.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchSalt Lake City, UT, United StatesHQ recorded Oct 22, 202611-5026 contacts →

Exact match

“We work with corporations and private entities ensuring that business is conducted accurately.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchAustin, TX, United StatesHQ recorded Oct 22, 202611-5024 contacts →

Exact match

“We are professional and forward-thinking advisors with industry and cross-border market expertise ready to help you navigate your business planning and investment needs.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchPlantation, FL, United StatesHQ recorded Oct 22, 202611-5023 contacts →

Exact match

“We are the place to go for assistance with international tax consulting and compliance.”

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

Showing 25 of 663 offshore tax compliance firms based in the United States

See the full list, filter by size, metro and specialty, and access 6,195 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore tax compliance firms based in the United States at a glance

As of Oct 22, 2026
56.8%Verified-email coverage
16.4Average contacts per company
1-10Median size (employees)
6.5%Largest-city concentration · New York
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
486
11-50
138
51-200
28
201-500
4
1,001-5,000
1
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 663 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 “offshore tax compliance firms” 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 6,195 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 “offshore tax compliance firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore tax compliance firms are there based in the United States?

RevenueBase identified 663 company matches for offshore tax compliance firms 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 offshore tax compliance firms?

New York leads with 43 company records, followed by Miami (36) and Houston (20).

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 6,195 professional contacts with verified work emails tracked across these 663 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.