Company lists · Data refreshed September 2026

Top 25 Full-service immigration law firms based in Washington, United States

RevenueBase identified 96 full-service immigration law firms headquartered in Washington, United States as of September 2026 and tracks 2,024 professional contacts across them, including 758 with verified work emails. New York is the largest hub.

This list covers full-service immigration law firms headquartered in Washington, 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 14, 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 14, 2026 86% judged on-target in blind review
96Companies
2,024Contacts tracked
758Verified emails
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The 25 largest full-service immigration law firms based in Washington, United States

Ranked by team size
Top 25 of 96 full-service immigration law firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to full-service immigration 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 evidenceWashington, DC, United StatesHQ checked Sep 14, 20261,001-5,000768 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 14, 2026
2Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 2026201-500214 contacts →

Strong 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 14, 2026
3Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-200211 contacts →

Strong evidence

“The American Immigration Lawyers Association (AILA) is the national association of over attorneys and law professors who practice and teach immigration law.”

Source: RevenueBase Database · checked Sep 14, 2026
4Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-200166 contacts →

Indirect evidence

“Ayuda provides legal, social, and language services to help low-income immigrants in our neighborhoods access justice and transform their lives.”

Source: RevenueBase Database · checked Sep 14, 2026
5Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5055 contacts →

Strong evidence

“Maggio Kattar has been recognized as one of the top Immigration Law firms in the U.S.”

Source: RevenueBase Database · checked Sep 14, 2026
6Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 2026201-50052 contacts →

Indirect evidence

“Mil Mujeres is a non-profit organization that was founded in 2007 to address the growing need for bilingual legal services for the immigrant community in the United States with an…”

Source: RevenueBase Database · checked Sep 14, 2026
7Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5050 contacts →

Strong evidence

“Grossman Young & Hammond (GYH) is an internationally recognized, woman-owned law firm providing the full spectrum of immigration services, from employment- and family-based…”

Source: RevenueBase Database · checked Sep 14, 2026
8Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5044 contacts →

Partial evidence

“Berliner Corcoran & Rowe LLP is a boutique law firm focused on international law, export controls/sanctions/customs/OFAC/CFIUS, litigation, corporate and intellectual property law.”

Source: RevenueBase Database · checked Sep 14, 2026
9Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5028 contacts →

Strong evidence

“DC Affordable Law Firm ("DCALF") is a nonprofit law firm in Washington, DC providing accessible and affordable family law, immigration, and probate legal services to hardworking…”

Source: RevenueBase Database · checked Sep 14, 2026
10Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20023 contacts →

Partial evidence

“VisaPro US immigration lawyers help foreign companies, investors and professionals secure visas to work & live in U.S.”

Source: RevenueBase Database · checked Sep 14, 2026
11Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-1021 contacts →

Partial evidence

“The BSA Legal Group is a boutique international law and consulting firm dedicated to providing creative and cost effective solutions to its international and domestic based…”

Source: RevenueBase Database · checked Sep 14, 2026
12Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5018 contacts →

Strong evidence

“We practice immigration law and exclusively immigration law.”

Source: RevenueBase Database · checked Sep 14, 2026
13Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-1015 contacts →

Strong evidence

“The Garfield Law Group is a full service immigration law firm handeling a broad range of matters, including federal litigation, business visas, feportation defense, family-based…”

Source: RevenueBase Database · checked Sep 14, 2026
14Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5013 contacts →

Indirect evidence

“U.S.”

Source: RevenueBase Database · checked Sep 14, 2026
15Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-1010 contacts →

Partial evidence

“A Washington, DC based law firm with offices in New York and Miami focusing on international trade compliance & enforcement, white collar defense & litigation, international…”

Source: RevenueBase Database · checked Sep 14, 2026
16Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-509 contacts →

Indirect evidence

“Direito Internacional Empresarial”

Source: RevenueBase Database · checked Sep 14, 2026
17Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-509 contacts →

Strong evidence

Immigration Law Firm in Washington D.C.”

Source: RevenueBase Database · checked Sep 14, 2026
18Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-109 contacts →

Partial evidence

“ImmiGo Solutions specializes in immigration processes and various visas, facilitating new beginnings for its clients.”

Source: RevenueBase Database · checked Sep 14, 2026
19Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-108 contacts →

Strong evidence

“Wasserman, Mancini and Chang was founded in 1946 and has specialized in Immigration and Nationality Law for over 65 years.”

Source: RevenueBase Database · checked Sep 14, 2026
20Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-107 contacts →

Strong evidence

“HAYMAN-WOODWARD IMMIGRATION LAW FIRM LLP is a United States-based immigration and business law firm.”

Source: RevenueBase Database · checked Sep 14, 2026
21Indirect evidenceWashington, PA, United StatesHQ checked Sep 14, 20261-106 contacts →

Indirect evidence

“At Xenos, we believe every journey deserves compassion, clarity, and unwavering support.”

Source: RevenueBase Database · checked Sep 14, 2026
22Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-105 contacts →

Partial evidence

“Adhikari Law PLLC is a technology-driven state-of-art boutique law firm with the specialization in U.S.”

Source: RevenueBase Database · checked Sep 14, 2026
23Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-105 contacts →

Strong evidence

“Alvarez Martinez Law Firm is a specialized firm that provides advisory services and international litigation in international human rights law and immigration law.”

Source: RevenueBase Database · checked Sep 14, 2026
24Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-105 contacts →

Partial evidence

“Key practice areas include General Corporate, Corporate Governance, Mergers and Acquisitions, Private Offerings, Employment and Labor Laws, Business and Employment Contracts…”

Source: RevenueBase Database · checked Sep 14, 2026
25Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-105 contacts →

Indirect evidence

“The Chaklader Firm is a professional legal services corporation with attorneys that cater to the complex needs of companies and individuals in Litigation, Contracts &…”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 25 of 96 full-service immigration law firms based in Washington, United States

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Full-service immigration law firms based in Washington, United States at a glance

As of Sep 14, 2026
37.5%Verified-email coverage
21.1Average contacts per company
1-10Median size (employees)
487.5%Largest-city concentration · New York
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
73
11-50
15
51-200
5
201-500
2
1,001-5,000
1

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 96 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 full-service immigration 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 Washington, United States whose own description of what they do matches “full-service immigration 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 full-service immigration 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 full-service immigration law firms, and records with no verified work email. Companies headquartered outside Washington 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, 758 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 14, 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.

Full-service immigration law firms by metro in the United States

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 full-service immigration 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 full-service immigration law firms are there based in Washington, United States?

RevenueBase identified 96 full-service immigration law firms headquartered in Washington, 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?

CIBT, headquartered in Washington, tops this list with the largest team on record.

Which city has the most full-service immigration law firms?

New York leads with 468 headquartered companies, followed by Miami (192) and Houston (186).

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 758 verified decision-maker contacts tracked across these 96 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 14, 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.