Company lists · Data refreshed September 2026

Top 25 Business immigration law firms worldwide

Name: Business immigration law firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 23,854 companies tracked

RevenueBase identified 23,854 company matches for business immigration law firms worldwide as of September 2026 and tracks 247,718 professional contacts across them, including 78,024 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for business immigration law firms worldwide, 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. Country and city lists for business immigration law firms follow the table.

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

23,854Companies

247,718Contacts tracked

78,024Verified emails

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The 25 largest business immigration law firms worldwide

Ranked by team size

Top 25 of 23,854 company matches for business immigration law firms worldwide, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	LAW Firm	Exact match	London, United KingdomHQ recorded Sep 27, 2026	n/a	6,284 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Fragomen	Exact match	New York, NY, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
3	Ogletree Deakins	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
4	Slaughter And MAY	Exact match	London, United KingdomHQ recorded Sep 27, 2026	1,001-5,000	1,951 contacts →
	Exact match “Slaughter and May is regarded as one of the most prestigious law firms in the world.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Mccarthy Tétrault	Exact match	Toronto, ON, CanadaHQ recorded Sep 27, 2026	1,001-5,000	1,913 contacts →
	Exact match “McCarthy Tétrault provides a broad range of legal services, advising on large and complex assignments for Canadian and international interests.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Tozzinifreire Advogados	Exact match	São Paulo, BrazilHQ recorded Sep 27, 2026	1,001-5,000	1,580 contacts →
	Exact match “TozziniFreire is one of the leading legal services organizations in Latin America, operating in all areas of Business Law and with a significant track record in serving national…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Osler, Hoskin & Harcourt LLP	Exact match	Toronto, ON, CanadaHQ recorded Sep 27, 2026	1,001-5,000	1,544 contacts →
	Exact match “Osler is a leading business law firm uniquely positioned to advise Canadian, U.S.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Miller Thomson LLP	Exact match	Toronto, ON, CanadaHQ recorded Sep 27, 2026	1,001-5,000	1,423 contacts →
	Exact match “Miller Thomson LLP ("Miller Thomson") is a national business law firm with approximately 500 lawyers across five provinces in Canada, the broadest reach of any Canadian law firm.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Pinheiro Neto Advogados	Exact match	São Paulo, BrazilHQ recorded Sep 27, 2026	1,001-5,000	1,250 contacts →
	Exact match “Pinheiro Neto Advogados é um escritório brasileiro com sólida experiência em mais de 40 áreas do Direito Empresarial.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Urbano Vitalino Advogados	Exact match	Sao Paulo, BrazilHQ recorded Sep 27, 2026	1,001-5,000	1,242 contacts →
	Exact match “Com 88 anos de experiência, o Urbano Vitalino Advogados tem como marca sua vasta tradição jurídica.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	BAL	Exact match	Richardson, TX, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
12	Mcmillan LLP	Exact match	Toronto, ON, CanadaHQ recorded Sep 27, 2026	501-1,000	885 contacts →
	Exact match “At McMillan LLP, we are a national business law firm that knows real-time solutions drive your success.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Benesch LAW	Exact match	Cleveland, OH, United StatesHQ recorded Sep 27, 2026	501-1,000	848 contacts →
	Exact match “Benesch is an Am Law 200 business law firm and limited liability partnership with offices in Chicago, Cleveland, Columbus, New York, San Francisco and Wilmington.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Buchalter	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 27, 2026	501-1,000	843 contacts →
	Exact match “Buchalter is a full-service business law firm with offices in Arizona, California, Colorado, Georgia, Illinois, Oregon, Tennessee, Utah, and Washington.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Lisinski LAW Firm	Exact match	Dublin, OH, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
16	CIBT	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
17	Davies Ward Phillips & Vineberg LLP	Exact match	Toronto, ON, CanadaHQ recorded Sep 27, 2026	501-1,000	752 contacts →
	Exact match “Davies is a leading Canadian business law firm focused on high-stakes matters.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Herzog	Exact match	Tel Aviv, IsraelHQ recorded Sep 27, 2026	501-1,000	749 contacts →
	Exact match “Herzog Fox & Neeman is Israel’s largest law firm and has earned a reputation as market leader, evidenced by consistent top-tier rankings in both international and Israeli legal…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	BCF	Exact match	Montréal, QC, CanadaHQ recorded Sep 27, 2026	501-1,000	725 contacts →
	Exact match “With over 500 employees and 300 professionals, BCF Business Law is the go-to firm for business leaders, growing companies, and well-established global enterprises who have chosen…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	VINGE	Exact match	Stockholm, SwedenHQ recorded Sep 27, 2026	501-1,000	681 contacts →
	Exact match “We are a leading Nordic full-service law firm, with 580 expert employees and offices in Stockholm, Gothenburg, Malmo and Brussels.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Honigman LLP	Exact match	Detroit, MI, United StatesHQ recorded Sep 27, 2026	501-1,000	669 contacts →
	Exact match “Honigman LLP is an Am Law 200 full-service, general business law firm with more than 400 attorneys counseling clients on complex issues across the country in Chicago, Michigan…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Mason Hayes & Curran LLP	Exact match	Dublin 4, IrelandHQ recorded Sep 27, 2026	501-1,000	666 contacts →
	Exact match “Mason Hayes & Curran LLP is a leading Irish law firm based in Dublin with offices in San Francisco, New York and London, three of Ireland’s most important conduits for inward…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Alonso & Alonso Attorneys At Law, Pllc	Exact match	San Antonio, TX, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
24	vezzilapolla.legal	Exact match	Sao Paulo, BrazilHQ recorded Sep 27, 2026	201-500	634 contacts →
	Exact match “vezzilapolla.legal foi fundado em 2016, e conta atualmente com cerca de 600 profissionais.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	Aird & Berlis LLP	Exact match	Toronto, ON, CanadaHQ recorded Sep 27, 2026	501-1,000	586 contacts →
	Exact match “Whether you are conducting business in Canada or abroad, Aird & Berlis LLP understands the realities of your work.” Recorded in the RevenueBase company graph · Sep 27, 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 “business 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 23,854 business immigration law firms worldwide

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Business immigration law firms worldwide at a glance

As of Sep 27, 2026

31.5%Verified-email coverage

10.4Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

15,816

11-50

6,536

51-200

1,059

201-500

203

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for business immigration law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “business 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. 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 78,024 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.

Business immigration law firms by location

128 lists · largest first

Every Business immigration 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 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 “business immigration law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business immigration law firms are there worldwide?

RevenueBase identified 23,854 company matches for business immigration law firms worldwide 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?

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

Which country has the most business immigration law firms?

The United States leads with 5,360 companies, followed by Canada (1,855) and Brazil (1,627). Every business immigration law firms list by country and city is linked on this page.

Which city has the most business immigration law firms?

London leads with 537 company records, followed by Sao Paulo (505) and New York (496).

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 78,024 professional contacts with verified work emails tracked across these 23,854 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.