Company lists · Data refreshed September 2026

Top 25 Persecution defense law firms worldwide

RevenueBase identified 2,307 persecution defense law firms worldwide as of September 2026 and tracks 12,307 professional contacts across them, including 3,567 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers persecution defense law firms worldwide, 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. Country and city lists for persecution defense law firms follow the table.

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
2,307Companies
12,307Contacts tracked
3,567Verified emails
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The 25 largest persecution defense law firms worldwide

Ranked by team size
Top 25 of 2,307 persecution defense law firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to persecution defense 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 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
2Partial evidenceBrooklyn, NY, United StatesHQ checked Sep 29, 2026501-1,000500 contacts →

Partial evidence

“Brooklyn Defender Services is a public defense office whose mission is to provide outstanding representation and advocacy free of cost to people facing loss of freedom, family…”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial 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
4Partial evidenceGatineau, QC, CanadaHQ checked Sep 29, 2026n/a216 contacts →

Partial evidence

“The leading criminal and penal law firm in the Outaouais”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceChicago, IL, United StatesHQ checked Sep 29, 202651-200151 contacts →

Indirect evidence

“The National Immigrant Justice Center (NIJC) is a non-partisan human rights leader.”

Source: RevenueBase Database · checked Sep 29, 2026
6Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 29, 202651-200144 contacts →

Strong evidence

“The Immigrant Defenders Law Center is a non-profit law firm established in May of 2015.”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial 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
8Partial evidenceDallas, TX, United StatesHQ checked Sep 29, 202651-20084 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceLake Success, NY, United StatesHQ checked Sep 29, 202651-20080 contacts →

Indirect evidence

“Shaub, Ahmuty, Citrin & Spratt LLP was founded in 1994 by litigators driven by a shared vision: To create a new firm rooted in the principles of tenacity, collegiality…”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceCosta Mesa, CA, United StatesHQ checked Sep 29, 202651-20065 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
11Partial evidenceLondon, United KingdomHQ checked Sep 29, 202611-5052 contacts →

Partial evidence

“We use the law to enforce the rights of the disadvantaged of society, hold the state to account for its actions, challenge discrimination and fight human rights and environmental…”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceAmsterdam, NetherlandsHQ checked Sep 29, 202611-5051 contacts →

Partial evidence

“Prakken d’Oliveira Human Rights Lawyers is a law firm that champions individual interests and human rights.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceFramingham, MA, United StatesHQ checked Sep 29, 202611-5050 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidencePortland, OR, United StatesHQ checked Sep 29, 202611-5044 contacts →

Indirect evidence

“When facing a legal dispute or needing legal advocacy, it can be difficult to know where to turn.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceCleveland, OH, United StatesHQ checked Sep 29, 202611-5044 contacts →

Indirect evidence

“Are you in need of an immigration attorney in Cleveland?”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceDublin 8, IrelandHQ checked Sep 29, 202611-5043 contacts →

Partial evidence

“KOD Lyons represents the collaboration of Kelleher O’Doherty and Terence Lyons and Company, two leading Criminal Justice and Human Rights law firms.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5038 contacts →

Indirect evidence

“Political Asylum Lawyers helps immigrants secure their future in the United States through asylum.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceRichardson, TX, United StatesHQ checked Sep 29, 202611-5037 contacts →

Indirect evidence

“Porter Legal Group employs professionals who deliver solutions for complex cases.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceStockholm, SwedenHQ checked Sep 29, 202611-5036 contacts →

Indirect evidence

“Advokatfirman De Basso är en firma med inriktning på straffrätt (brottmål).”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 29, 202611-5035 contacts →

Indirect evidence

“Our Mission.”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceHartford, CT, United StatesHQ checked Sep 29, 202611-5034 contacts →

Indirect evidence

“Don't Fight Solo.”

Source: RevenueBase Database · checked Sep 29, 2026
22Strong evidenceSan Leandro, CA, United StatesHQ checked Sep 29, 202611-5034 contacts →

Strong evidence

“The Mira Law Group is a community-oriented immigration, criminal defense and civil litigation firm that is committed to the pursuit of justice.”

Source: RevenueBase Database · checked Sep 29, 2026
23Strong evidenceAustin, TX, United StatesHQ checked Sep 29, 202611-5034 contacts →

Strong evidence

“Peek Law Group, with a proud history of 20 years of service in Austin, specializes in Criminal Defense and Immigration law.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidencePortland, OR, United StatesHQ checked Sep 29, 2026n/a33 contacts →

Indirect evidence

“We envision a world where every case that should win, does win, every time, everywhere.”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5033 contacts →

Indirect evidence

“Gee & Zhang, LLP (formerly known as Harry Gee & Associates PLLC) has been a leader in immigration services for more than 50 years.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 2,307 persecution defense law firms worldwide

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Persecution defense law firms worldwide at a glance

As of Sep 29, 2026
29.0%Verified-email coverage
5.3Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,874
11-50
362
51-200
43
201-500
9
501-1,000
4
1,001-5,000
2
10001+
2

Email recency is reported on each country list linked below.

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 persecution defense 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.
Coverage
Every country. Country and city lists for persecution defense law firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “persecution defense 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 persecution defense 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 persecution defense law firms, and records with no verified work email.
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, 3,567 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.

Persecution defense law firms by location

13 lists · largest first

Every Persecution defense 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 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 persecution defense 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 persecution defense law firms are there worldwide?

RevenueBase identified 2,307 persecution defense law firms worldwide 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?

Alonso & Alonso Attorneys At Law, Pllc, headquartered in San Antonio, tops this list with the largest team on record.

Which country has the most persecution defense law firms?

The United States leads with 1,078 companies, followed by Brazil (173) and Canada (103). Every persecution defense law firms list by country and city is linked on this page.

Which city has the most persecution defense law firms?

New York leads with 47 headquartered companies, followed by Sao Paulo (43) and Paris (40).

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 3,567 verified decision-maker contacts tracked across these 2,307 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.