Company lists · Data refreshed September 2026

Top 25 Employment immigration law firms worldwide

RevenueBase identified 38,544 company matches for employment immigration law firms worldwide as of September 2026 and tracks 328,137 professional contacts across them, including 109,552 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for employment immigration law firms 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 September 28, 2026. Country and city lists for employment immigration law firms 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 Sep 28, 2026 How this list was built
38,544Companies
328,137Contacts tracked
109,552Verified emails
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The 25 largest employment immigration law firms worldwide

Ranked by team size
Top 25 of 38,544 company matches for employment immigration law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchLondon, United KingdomHQ recorded Sep 28, 2026n/a6,284 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 28, 20265,001-10,0006,245 contacts →

Exact match

“Fragomen is the leading global immigration services firm worldwide.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchAtlanta, GA, United StatesHQ recorded Sep 28, 20261,001-5,0002,708 contacts →

Exact match

“Ogletree Deakins is one of the largest labor and employment law firms representing management in all types of employment-related legal matters.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 20261,001-5,0002,555 contacts →

Exact match

“Littler is the largest global employment and labor law practice, representing management in all aspects of employment and labor law and serving as a single-source solution…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchNew York, United StatesHQ recorded Sep 28, 20261,001-5,0002,285 contacts →

Exact match

“Focused on employment and labor law since 1958, Jackson Lewis P.C.’s attorneys located in major cities nationwide consistently identify and respond to new ways workplace law…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 28, 20261,001-5,0002,167 contacts →

Exact match

“High stakes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchColumbia, SC, United StatesHQ recorded Sep 28, 20261,001-5,0002,012 contacts →

Exact match

“Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261,001-5,0001,790 contacts →

Exact match

“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 28, 20261,001-5,0001,682 contacts →

Exact match

“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchSão Paulo, BrazilHQ recorded Sep 28, 20261,001-5,0001,580 contacts →

Exact match

“TozziniFreire is one of the leading legal services organizations in Latin America, operating in all areas of Business Law and with a significant track record in serving national…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchAtlanta, GA, United StatesHQ recorded Sep 28, 2026501-1,0001,471 contacts →

Exact match

“With hundreds of attorneys across the globe, Fisher Phillips advises and advocates for employers internationally on some of the most complex and high-profile workplace matters.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchDetroit, MI, United StatesHQ recorded Sep 28, 20261,001-5,0001,343 contacts →

Exact match

“At Clark Hill, our value proposition is simple.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchMilwaukee, WI, United StatesHQ recorded Sep 28, 20261,001-5,0001,318 contacts →

Exact match

“For over 125 years, Quarles & Brady LLP has provided quality legal services to a wide range of industries on a national stage.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchSão Paulo, BrazilHQ recorded Sep 28, 20261,001-5,0001,250 contacts →

Exact match

“Pinheiro Neto Advogados é um escritório brasileiro com sólida experiência em mais de 40 áreas do Direito Empresarial.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 28, 20261,001-5,0001,155 contacts →

Exact match

“Taylor Rose is a top 60 independent law firm with 1,700 experts operating nationwide and is recommended by the Legal 500 UK.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchRichardson, TX, United StatesHQ recorded Sep 28, 20261,001-5,0001,130 contacts →

Exact match

“BAL is a corporate immigration law firm that powers human achievement through immigration expertise, people-centered client services and innovative technology.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchParis, FranceHQ recorded Sep 28, 2026501-1,0001,098 contacts →

Exact match

“Gide is a leading law firm, both in France and internationally, in all areas of business law for Litigation, Transactions, and Regulation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchKansas City, MO, United StatesHQ recorded Sep 28, 2026501-1,0001,041 contacts →

Exact match

“Spencer Fane is a law firm where your business leaders work with our business leaders.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchToronto, ON, CanadaHQ recorded Sep 28, 2026501-1,000983 contacts →

Exact match

“At Torys, we are in the constant pursuit of earning and building the trust of our clients through superior results and novel solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchDallas, TX, United StatesHQ recorded Sep 28, 2026501-1,000968 contacts →

Exact match

“Jackson Walker is a Texas-based law firm with a national presence and global reach.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Sep 28, 2026n/a881 contacts →

Exact match

“Independent Music Producer”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchBelo Horizonte, BrazilHQ recorded Sep 28, 20261,001-5,000827 contacts →

Exact match

“A crescente complexidade das relações, tanto humanas como empresariais, cria, cada vez mais, questões revestidas de cunho intrinsecamente jurídico, com implicações em todos os…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSão Paulo, BrazilHQ recorded Sep 28, 20261,001-5,000821 contacts →

Exact match

“We can say with pride and confidence: in more than 70 years of history, SiqueiraCastro Advogados has played a fundamental role in the evolution of the legal market in Brazil.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchDublin, OH, United StatesHQ recorded Sep 28, 20261,001-5,000814 contacts →

Exact match

“We are one of the nation’s most experienced law firms dedicated to delivering strategic immigration solutions-especially in complex and high-stakes cases-so our clients can move…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchLos Angeles, CA, United StatesHQ recorded Sep 28, 2026501-1,000781 contacts →

Exact match

“Wood, Smith, Henning & Berman offers world-class representation for clients ranging from individuals to Fortune 500 corporations, with an emphasis on small to middle market firms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 38,544 employment immigration law firms worldwide

See the full list, filter by size, metro and specialty, and access 109,552 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Employment immigration law firms worldwide at a glance

As of Sep 28, 2026
33.4%Verified-email coverage
8.5Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · Sao Paulo
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
27,356
11-50
9,213
51-200
1,353
201-500
225
501-1,000
62
1,001-5,000
42
5,001-10,000
5
10001+
9

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 employment immigration law firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “employment immigration law 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. 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 109,552 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 September 28, 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.

Employment immigration law firms by location

185 lists · largest first

Every Employment immigration law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “employment immigration law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many employment immigration law firms are there worldwide?

RevenueBase identified 38,544 company matches for employment immigration law firms worldwide as of September 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?

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

Which country has the most employment immigration law firms?

The United States leads with 9,176 companies, followed by Brazil (5,734) and Canada (2,128). Every employment immigration law firms list by country and city is linked on this page.

Which city has the most employment immigration law firms?

Sao Paulo leads with 1257 company records, followed by London (618) and New York (617).

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 109,552 professional contacts with verified work emails tracked across these 38,544 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 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 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.