Company lists · Data refreshed September 2026

Top 25 Work permit law firms worldwide

RevenueBase identified 7,866 company matches for work permit law firms worldwide as of September 2026 and tracks 55,783 professional contacts across them, including 19,899 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for work permit 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 29, 2026. Country and city lists for work permit 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 29, 2026 How this list was built
7,866Companies
55,783Contacts tracked
19,899Verified emails
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The 25 largest work permit law firms worldwide

Ranked by team size
Top 25 of 7,866 company matches for work permit law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchNew York, NY, United StatesHQ recorded Sep 29, 20265,001-10,0006,245 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchRichardson, TX, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
3Exact matchDublin, OH, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
4Exact matchSan Antonio, TX, United StatesHQ recorded Sep 29, 2026201-500658 contacts →

Exact match

“Alonso & Alonso is a distinguished immigration law firm with a rich history of providing expert legal services in navigating the complexities of the U.S.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact match70+ Offices, United StatesHQ recorded Sep 29, 20261,001-5,000429 contacts →

Exact match

“Newland Chase, a wholly owned subsidiary of CIBT, is the leading global provider of immigration and visa services for corporations and individuals with over 1,700 expert…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 29, 2026501-1,000414 contacts →

Exact match

“Envoy Global is a leading corporate immigration services provider committed to delivering a better way for companies to manage global immigration.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchTukwila, WA, United StatesHQ recorded Sep 29, 2026501-1,000388 contacts →

Exact match

“Alexandra Lozano Immigration Law transforms the lives of immigrants and their families!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchOrlando, FL, United StatesHQ recorded Sep 29, 2026201-500377 contacts →

Exact match

“At Colombo & Hurd, we help professionals, founders, and investors build their future in the United States.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchSeattle, WA, United StatesHQ recorded Sep 29, 2026201-500335 contacts →

Exact match

“Boundless is a U.S.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchD.c, United StatesHQ recorded Sep 29, 2026201-500305 contacts →

Exact match

“The Mendoza Law Firm, LLC, is a US-based law firm dedicated to helping immigrants obtain work permits and permanent legal residences on American soil.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchDetroit, MI, United StatesHQ recorded Sep 29, 202651-200249 contacts →

Exact match

“The firm was co-founded in 1969 by Richard Kitch and Richard F.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchTroy, MI, United StatesHQ recorded Sep 29, 2026201-500235 contacts →

Exact match

“Ellis Porter is a law firm focused on managing the immigration experience for employers and individuals.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchSpokane Valley, WA, United StatesHQ recorded Sep 29, 2026n/a232 contacts →

Exact match

“Eastern Washington law firm devoted to helping and protecting immigrants.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Sep 29, 2026201-500214 contacts →

Exact match

“At GovAssist, we are your foremost authority on end-to-end visa applications, consultancy, and immigration law, for personal or professional travel purposes.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, CanadaHQ recorded Sep 29, 2026201-500206 contacts →

Exact match

“With offices in Toronto (Canada), Philadelphia (Pennsylvania), Providence (Rhode Island), Vail (Colorado), Orlando (Florida), Cleveland (Ohio) and Boston (Massachusetts).”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchSanta Monica, NY, United StatesHQ recorded Sep 29, 202651-200190 contacts →

Exact match

“WR Immigration is a leading global immigration law firm delivering innovative technology, high-touch legal services, and consistent, flawless execution.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchGreenville, United StatesHQ recorded Sep 29, 202651-200187 contacts →

Exact match

“Inmigración al Día es un equipo multidisciplinario conformado por Abogados y Asistentes Legales preparados en asuntos migratorios para ayudar a la comunidad hispana a obtener un…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchArlington, VA, United StatesHQ recorded Sep 29, 2026201-500185 contacts →

Exact match

“Our goal is to uncomplicate the complicated.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Sep 29, 2026n/a182 contacts →

Exact match

“Manuel Solis Law Firm focuses on helping immigrants become U.S.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 2026n/a166 contacts →

Exact match

“The Law Office of Robert B.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202651-200139 contacts →

Exact match

“Foster is a leading global immigration law firm dedicated to helping employers and individuals obtain nonimmigrant and immigrant work visas and permanent resident options…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchFairfax, VA, United StatesHQ recorded Sep 29, 202651-200127 contacts →

Exact match

“At Murray Osorio PLLC, our mission as a national full-service immigration law firm is to provide superior legal services across the breadth of immigration law throughout the…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchOldham, United KingdomHQ recorded Sep 29, 202651-200126 contacts →

Exact match

“At Immigration Advice Service, we are more than just immigration solicitors; we are your dedicated partners in navigating the intricate world of immigration law.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 29, 202651-200121 contacts →

Exact match

“Klasko Immigration Law Partners, LLP is nationally renowned for providing creative solutions to many of the most complex issues in immigration law to multinational corporations…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchBethesda, MD, United StatesHQ recorded Sep 29, 202651-200115 contacts →

Exact match

“Immigration & Employment Law Firm based in Washington DC Metro area.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 7,866 work permit law firms worldwide

See the full list, filter by size, metro and specialty, and access 19,899 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Work permit law firms worldwide at a glance

As of Sep 29, 2026
35.7%Verified-email coverage
7.1Average contacts per company
1-10Median size (employees)
3.9%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
5,636
11-50
1,776
51-200
306
201-500
62
501-1,000
20
1,001-5,000
7
5,001-10,000
2
10001+
1

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 work permit law firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “work permit 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 19,899 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 29, 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.

Work permit law firms by location

50 lists · largest first

Every Work permit 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 “work permit law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many work permit law firms are there worldwide?

RevenueBase identified 7,866 company matches for work permit 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?

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

Which country has the most work permit law firms?

The United States leads with 3,737 companies, followed by Canada (857) and the United Kingdom (487). Every work permit law firms list by country and city is linked on this page.

Which city has the most work permit law firms?

New York leads with 306 company records, followed by London (242) and Toronto (212).

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 19,899 professional contacts with verified work emails tracked across these 7,866 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 29, 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.