Company lists · Data refreshed September 2026

Top 25 Naturalization law firms based in the United States

RevenueBase identified 4,072 naturalization law firms headquartered in the United States as of September 2026 and tracks 31,267 professional contacts across them, including 11,738 with verified work emails. New York is the largest hub.

This list covers naturalization 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 29, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
4,072Companies
31,267Contacts tracked
11,738Verified emails
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The 25 largest naturalization law firms based in the United States

Ranked by team size
Top 25 of 4,072 naturalization law firms based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to naturalization law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceRichardson, TX, United StatesHQ checked Sep 29, 20261,001-5,0001,130 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidenceDublin, OH, United StatesHQ checked Sep 29, 20261,001-5,000814 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 29, 2026201-500658 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 29, 20261,001-5,000518 contacts →

Indirect evidence

“The United Firm | La Liga Defensora, A.P.C.”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceTukwila, WA, United StatesHQ checked Sep 29, 2026501-1,000388 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceOrlando, FL, United StatesHQ checked Sep 29, 2026201-500377 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceSeattle, WA, United StatesHQ checked Sep 29, 2026201-500335 contacts →

Indirect evidence

“Boundless is a U.S.”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceD.c, United StatesHQ checked Sep 29, 2026201-500305 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceDetroit, MI, United StatesHQ checked Sep 29, 202651-200249 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceTroy, MI, United StatesHQ checked Sep 29, 2026201-500235 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
11Partial evidenceSpokane Valley, WA, United StatesHQ checked Sep 29, 2026n/a232 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceWashington, DC, United StatesHQ checked Sep 29, 2026201-500214 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidenceSanta Monica, NY, United StatesHQ checked Sep 29, 202651-200190 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceGreenville, United StatesHQ checked Sep 29, 202651-200187 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 2026n/a182 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 29, 2026n/a166 contacts →

Partial evidence

“The Law Office of Robert B.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceMiami, FL, United StatesHQ checked Sep 29, 202651-200153 contacts →

Indirect evidence

“Since 2001, Alex Hanna and his Team of Attorneys have handled thousands of different types of cases.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-200139 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceFairfax, VA, United StatesHQ checked Sep 29, 202651-200127 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 202651-200121 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
21Partial evidenceWhite Plains, NY, United StatesHQ checked Sep 29, 202651-200118 contacts →

Partial evidence

“Cabanillas & Associates handles significant and difficult legal disputes (foreclosure defense, bankruptcy, real estate, immigration, matrimonial and family law, personal injury…”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceBethesda, MD, United StatesHQ checked Sep 29, 202651-200115 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceTroy, MI, United StatesHQ checked Sep 29, 202651-20099 contacts →

Indirect evidence

“Fakhoury Global Immigration (FGI) specializes in U.S.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceVero Beach, FL, United StatesHQ checked Sep 29, 202651-20096 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
25Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 202611-5088 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 4,072 naturalization law firms based in the United States

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Naturalization law firms based in the United States at a glance

As of Sep 29, 2026
37.5%Verified-email coverage
7.7Average contacts per company
1-10Median size (employees)
8.0%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
2,987
11-50
861
51-200
168
201-500
20
501-1,000
4
1,001-5,000
4

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 4,072 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 naturalization 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 “naturalization 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 naturalization 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 naturalization 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, 11,738 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 29, 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 naturalization 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 naturalization law firms are there based in the United States?

RevenueBase identified 4,072 naturalization 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?

BAL, headquartered in Richardson, tops this list with the largest team on record.

Which city has the most naturalization law firms?

New York leads with 327 headquartered companies, followed by Houston (146) and Los Angeles (126).

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 11,738 verified decision-maker contacts tracked across these 4,072 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 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 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.