Company lists · Data refreshed September 2026

Top 25 Employment immigration law firms based in the United States

Name: Employment immigration law firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 9,176 companies tracked

RevenueBase identified 9,176 company matches for employment immigration law firms associated with the United States as of September 2026 and tracks 119,825 professional contacts across them, including 61,447 with verified work emails. New York is the largest hub.

This list covers company matches for employment immigration law 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 September 28, 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 Sep 28, 2026 How this list was built

9,176Companies

119,825Contacts tracked

61,447Verified emails

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The 25 largest employment immigration law firms based in the United States

Ranked by team size

Top 25 of 9,176 company matches for employment immigration law firms based in the United States, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Fragomen	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,245 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
2	Ogletree Deakins	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,708 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
3	Littler	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,555 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
4	Jackson Lewis P.C	Exact match	New York, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,285 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
5	Seyfarth Shaw LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,167 contacts →
	Exact match “High stakes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Nelson Mullins Riley & Scarborough	Exact match	Columbia, SC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,012 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
7	Venable LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,790 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
8	Ballard Spahr LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,682 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
9	Fisher Phillips	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	501-1,000	1,471 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
10	Clark Hill LAW	Exact match	Detroit, MI, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,343 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
11	Quarles & Brady LLP	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,318 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
12	BAL	Exact match	Richardson, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,130 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
13	Spencer Fane LLP	Exact match	Kansas City, MO, United StatesHQ recorded Sep 28, 2026	501-1,000	1,041 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
14	Jackson Walker LLP	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	968 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
15	Lisinski LAW Firm	Exact match	Dublin, OH, United StatesHQ recorded Sep 28, 2026	1,001-5,000	814 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
16	Wood, Smith, Henning & Berman LLP	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	781 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
17	CIBT	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	768 contacts →
	Exact match “CIBT is the leading global provider of immigration and visa services for corporations and individuals with over 1,600 expert immigration and visa professionals, attorneys and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Fordharrison LLP	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	201-500	746 contacts →
	Exact match “FordHarrison LLP - your partner in employment law.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Epstein Becker Green	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	701 contacts →
	Exact match “Clients turn to Epstein Becker Green for strategic counsel in employment and labor law, health care and life sciences, and complex litigation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Kelley Drye & Warren LLP	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	690 contacts →
	Exact match “Kelley Drye is an AmLaw 200 law firm of more than 350 lawyers and other professionals practicing in New York, NY; Washington, D.C; Chicago, IL; Houston, TX, Los Angeles, CA; San…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Butler Snow LLP	Exact match	Ridgeland, MS, United StatesHQ recorded Sep 28, 2026	501-1,000	685 contacts →
	Exact match “With over 400 attorneys in offices in Albuquerque, Ambler (PA), Atlanta, Austin, Baton Rouge, Bethlehem (PA), Birmingham, Boston, Charleston, Dallas, Denver, Gulfport, Huntsville…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Alonso & Alonso Attorneys At Law, Pllc	Exact match	San Antonio, TX, United StatesHQ recorded Sep 28, 2026	201-500	658 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 28, 2026 · View company records in RevenueBase
23	Shutts & Bowen LLP	Exact match	Miami, FL, United StatesHQ recorded Sep 28, 2026	501-1,000	613 contacts →
	Exact match “Shutts & Bowen is a Florida-based law firm, headquartered in Miami, representing individuals and business entities nationally and internationally.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Eckert Seamans	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 28, 2026	501-1,000	570 contacts →
	Exact match “Eckert Seamans Cherin & Mellott LLC has lawyers in offices throughout the United States, including Harrisburg, Philadelphia, and Pittsburgh, Pennsylvania; Boston, Massachusetts…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Amundsen Davis, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	201-500	542 contacts →
	Exact match “Amundsen Davis is a law firm comprised of over 250 attorneys headquartered in Chicago.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “employment immigration law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 9,176 employment immigration law firms based in the United States

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Employment immigration law firms based in the United States at a glance

As of Sep 28, 2026

51.3%Verified-email coverage

13.1Average contacts per company

1-10Median size (employees)

6.8%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

6,445

11-50

2,136

51-200

445

201-500

501-1,000

1,001-5,000

5,001-10,000

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 9,176 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 “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. 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 61,447 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 metro

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 based in the United States?

RevenueBase identified 9,176 company matches for employment immigration law firms associated with the United States 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 city has the most employment immigration law firms?

New York leads with 625 company records, followed by Los Angeles (330) and Houston (236).

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 61,447 professional contacts with verified work emails tracked across these 9,176 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.