Company lists · Data refreshed September 2026
Top 25 Expat tax law firms based in the United States
RevenueBase identified 1,496 expat tax law firms headquartered in the United States as of September 2026 and tracks 11,144 professional contacts across them, including 4,110 with verified work emails. New York is the largest hub.
This list covers expat tax law 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 28, 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 expat tax law firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 399 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 294 contacts → | ||||
Strong evidence “Chugh, LLP is a full-service law and tax firm with offices in Los Angeles, Santa Clara, San Diego, and Newark in CA, Edison, NJ, Atlanta, GA, Herndon, VA, New York, NY, Brentwood…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 216 contacts → | ||||
Indirect evidence “AOTAX is a leading U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 146 contacts → | ||||
Indirect evidence “Founded in 1947, Funaro & Co.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 118 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 114 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 91 contacts → | ||||
Indirect evidence “Our mission is to provide our clients with the best in professional services, with an authentic personal approach.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 85 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 84 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 80 contacts → | ||||
Strong evidence “Frost Law is comprised of skilled tax attorneys, business attorneys, litigation attorneys, estates attorneys, Certified Public Accountants, Certified Financial Planners, and other…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 75 contacts → | ||||
Indirect evidence “ORCOM est spécialisé dans l’aide à la création d’entreprises et au développement de filiales françaises aux USA.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 73 contacts → | ||||
Indirect evidence “Dawda Mann is dedicated to helping businesses and the individuals who own them.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 73 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 68 contacts → | ||||
Partial evidence “Barakat + Bossa is a Chambers-ranked international business law firm trusted by entrepreneurs, privately held companies, and multinational corporations for more than two decades.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 68 contacts → | ||||
Partial evidence “DVS Advisors is a tax-centric, diversified professional services organization with presence in 4 countries and partners in over 100 countries through our affiliations.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 61 contacts → | ||||
Indirect evidence “Navolio & Tallman LLP offers both the technical expertise of a “Big Four” accounting firm and the personalized client service only a smaller firm provides.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 56 contacts → | ||||
Partial evidence “Founded in 1982 with the philosophy that successful individuals, entrepreneurs, business owners, and their families require innovative tax, legal and financial solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 55 contacts → | ||||
Indirect evidence “The Wolf Group is a professional services firm based in Washington, D.C.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 55 contacts → | ||||
Strong evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 53 contacts → | ||||
Partial evidence “Tax Preparation for U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 52 contacts → | ||||
Partial evidence “Mann Gelon Smith Sroka Lee LLP is a leading tax and business management boutique located in Los Angeles, California.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 51 contacts → | ||||
Partial evidence “We are far from a traditional accounting firm-our specialized business advisory and tax services are what set us apart from the rest.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 51 contacts → | ||||
Partial evidence “Orbiss is an advisory and tax firm specializing in business growth in the United States.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 50 contacts → | ||||
Strong evidence “Ivins, Phillips & Barker is exclusively engaged in the practice of federal tax, benefits and compensation, and estate and gift tax law.” Source: RevenueBase Database · checked Sep 28, 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: expat tax law 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 expat tax law firms.
- Partial evidence
- Its own public description names part of expat tax law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name expat tax law 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 1,496 expat tax law firms based in the United States
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Expat tax law firms based in the United States at a glance
As of Sep 28, 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 1,496 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 expat tax law 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 “expat tax law 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 expat tax law 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 expat tax law 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, 4,110 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 28, 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.
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 expat tax law 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 expat tax law firms are there based in the United States?
RevenueBase identified 1,496 expat tax law 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?
Apercen Partners LLC, headquartered in Palo Alto, tops this list with the largest team on record.
Which city has the most expat tax law firms?
New York leads with 106 headquartered companies, followed by Miami (65) and Washington (33).
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 4,110 verified decision-maker contacts tracked across these 1,496 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 28, 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 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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