Company lists · Data refreshed September 2026

Top 25 Citizenship and naturalization law firms based in the United States

RevenueBase identified 2,730 company matches for citizenship and naturalization law firms associated with the United States as of September 2026 and tracks 19,607 professional contacts across them, including 7,413 with verified work emails. New York is the largest hub.

This list covers company matches for citizenship and naturalization 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 27, 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 27, 2026 How this list was built
2,730Companies
19,607Contacts tracked
7,413Verified emails
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The 25 largest citizenship and naturalization law firms based in the United States

Ranked by team size
Top 25 of 2,730 company matches for citizenship and naturalization law firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchDublin, OH, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
2Exact matchSan Antonio, TX, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
3Exact matchTukwila, WA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
4Exact matchD.c, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
5Exact matchTroy, MI, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
6Exact matchSpokane Valley, WA, United StatesHQ recorded Sep 27, 2026n/a232 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Sep 27, 2026n/a182 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 2026n/a166 contacts →

Exact match

“The Law Office of Robert B.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
10Exact matchFairfax, VA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
11Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
12Exact matchVero Beach, FL, United StatesHQ recorded Sep 27, 202651-20096 contacts →

Exact match

“At James Immigration Law, we are committed to providing honest and knowledgeable legal advice on all matters concerning or connected to immigration in the United States.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5088 contacts →

Exact match

“Manifest Law is a modern immigration law firm with handpicked attorneys powered by cutting-edge software.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchDallas, TX, United StatesHQ recorded Sep 27, 202651-20084 contacts →

Exact match

“Since 1989, Dunham & Jones has practiced criminal and immigration law across the states of Arizona, Tennessee, and Texas.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchWalnut Creek, CA, United StatesHQ recorded Sep 27, 202651-20084 contacts →

Exact match

“Welcome to Oguz Law!”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchDallas, TX, United StatesHQ recorded Sep 27, 202651-20080 contacts →

Exact match

“Immigration Law Firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchWyoming, MI, United StatesHQ recorded Sep 27, 202651-20078 contacts →

Exact match

“Law firm focused on Immigration matters.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 27, 202651-20072 contacts →

Exact match

“Consumer Law Group, LLC is a national immigration law firm focused exclusively on U.S.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchQueens, NY, United StatesHQ recorded Sep 27, 202651-20071 contacts →

Exact match

“Attorneys Youman, Madeo & Fasano, LLP, is a firm of bright immigration law attorneys who have distinguished themselves for dynamic knowledge of U.S.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchTulsa, OK, United StatesHQ recorded Sep 27, 202651-20069 contacts →

Exact match

“Rivas Associates is an immigration law firm dedicated to individuals and families navigating one of the most complex legal systems in the country - with the personal attention…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchOwings Mills, MD, United StatesHQ recorded Sep 27, 202651-20068 contacts →

Exact match

“Founded in 1994, the Murthy Law Firm practices U.S.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchMorris Plains, NJ, United StatesHQ recorded Sep 27, 202651-20066 contacts →

Exact match

“Una firma de abogados dedicada a obtener un estatus migratorio a los nuevos americanos dentro de los Estados Unidos (TÚ).”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchCosta Mesa, CA, United StatesHQ recorded Sep 27, 202651-20065 contacts →

Exact match

“Wilner & O'Reilly, APLC was formed in 2003, bringing together two top-rated attorneys recognized for their knowledge and ability in the field of immigration law to create one of…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchIrving, TX, United StatesHQ recorded Sep 27, 202651-20065 contacts →

Exact match

“We provide tailored, compassionate, and professional immigration legal services to individuals and families.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchMclean, VA, United StatesHQ recorded Sep 27, 202651-20059 contacts →

Exact match

“Eagan Immigration PLLC is a full-service immigration law firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 2,730 citizenship and naturalization law firms based in the United States

See the full list, filter by size, metro and specialty, and access 7,413 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Citizenship and naturalization law firms based in the United States at a glance

As of Sep 27, 2026
37.8%Verified-email coverage
7.2Average contacts per company
1-10Median size (employees)
7.9%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
2,002
11-50
593
51-200
104
201-500
9
501-1,000
3
1,001-5,000
2

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 2,730 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 “citizenship and naturalization 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 7,413 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 27, 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 “citizenship and naturalization law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many citizenship and naturalization law firms are there based in the United States?

RevenueBase identified 2,730 company matches for citizenship and naturalization 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?

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

Which city has the most citizenship and naturalization law firms?

New York leads with 217 company records, followed by Houston (98) and Los Angeles (91).

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 7,413 professional contacts with verified work emails tracked across these 2,730 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 27, 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.