Company lists · Data refreshed September 2026

Top 25 Business immigration law firms based in the United Kingdom

RevenueBase identified 1,053 company matches for business immigration law firms associated with the United Kingdom as of September 2026 and tracks 22,755 professional contacts across them, including 5,115 with verified work emails. London is the largest hub.

This list covers company matches for business immigration law firms associated with the United Kingdom, 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
1,053Companies
22,755Contacts tracked
5,115Verified emails
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The 25 largest business immigration law firms based in the United Kingdom

Ranked by team size
Top 25 of 1,053 company matches for business immigration law firms based in the United Kingdom, 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 matchLondon, United KingdomHQ recorded Sep 27, 2026n/a6,284 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 27, 20261,001-5,0001,951 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
3Exact matchLeeds, United KingdomHQ recorded Sep 27, 2026201-500582 contacts →

Exact match

“Welcome to Walker Morris - a UK-headquartered law firm with international reach.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500460 contacts →

Exact match

“We are a London based, full-service law firm, specialising in providing straightforward advice to ambitious clients ranging from entrepreneurial businesses, family offices and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchBrighton, United KingdomHQ recorded Sep 27, 2026201-500408 contacts →

Exact match

“DMH Stallard is an award-winning full service South East law firm with offices in London, Brighton, Gatwick, Guildford and Horsham and a 50 year pedigree based on building long…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchCardiff, United KingdomHQ recorded Sep 27, 202651-200163 contacts →

Exact match

“We get things done with clear advice for today’s complex business world.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchOldham, United KingdomHQ recorded Sep 27, 202651-200126 contacts →

Exact match

“At Immigration Advice Service, we are more than just immigration solicitors; we are your dedicated partners in navigating the intricate world of immigration law.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-200116 contacts →

Exact match

“Laytons ETL is a commercial law firm founded on a strong set of values that imbue all that we do and are calculated to enable us to achieve the highest standards.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-200101 contacts →

Exact match

“Oracle Solicitors is an experienced team of creative legal problem-solvers, based in London, Belfast, Naples, Frankfurt and Addis Ababa.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20084 contacts →

Exact match

“As one of the most successful immigration consultancies in the world, Global-Migrate has helped individuals, families, and corporate clients with their visa applications for many…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20082 contacts →

Exact match

“The world doesn’t need another law firm simply waiting to take instructions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20080 contacts →

Exact match

“We believe in offering the extraordinary with personal services tailored just for you.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20077 contacts →

Exact match

“We are Joelson.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20073 contacts →

Exact match

“Sterling Law Group is based in London, United Kingdom.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20073 contacts →

Exact match

“UK’S leading law firm in international protection, asylum, extradition & Interpol, complex immigration, financial crime, litigation and cross-border disputes.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-50070 contacts →

Exact match

“With Over 26 Years Of Experience in Global Immigration Law.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchOldham, United KingdomHQ recorded Sep 27, 202651-20065 contacts →

Exact match

“Pearson Solicitors and Financial Advisers Ltd is a legal firm specialising in all aspects of business law and is especially suited to small and medium sized enterprises who…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Sep 27, 202651-20064 contacts →

Exact match

“Legal services for businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20063 contacts →

Exact match

“UK and US Immigration lawyers with offices in London and New York, regarded as a “stellar” boutique immigration firm with a powerful transatlantic capability.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20062 contacts →

Exact match

“Our specialist immigration solicitors and employment solicitors based in central London focus on supporting the needs of businesses and individuals, both nationally and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchSheffield, United KingdomHQ recorded Sep 27, 202651-20054 contacts →

Exact match

“Howells Solicitors is one of the most admired law firms in the north of England.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchBelfast, United KingdomHQ recorded Sep 27, 202651-20053 contacts →

Exact match

“MMW is a leading Commercial Law firm in Northern Ireland which provides specialist legal advice for both businesses and individuals.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20053 contacts →

Exact match

“DKLM is a commercial law firm based in central London.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchReading, United KingdomHQ recorded Sep 27, 202651-20052 contacts →

Exact match

“Clarkslegal LLP is a leading, full service commercial law firm working as a trusted advisor for over 100 years to deliver solutions for our clients in the UK and internationally.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20050 contacts →

Exact match

“Spector Constant & Williams is a multi-disciplinary law firm that offers a well-rounded and bespoke commercial service to our clients.”

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

Showing 25 of 1,053 business immigration law firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 5,115 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business immigration law firms based in the United Kingdom at a glance

As of Sep 27, 2026
22.5%Verified-email coverage
21.6Average contacts per company
1-10Median size (employees)
49.5%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
677
11-50
292
51-200
57
201-500
11
501-1,000
3
1,001-5,000
4

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,053 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 Kingdom 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. 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 5,115 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 “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 based in the United Kingdom?

RevenueBase identified 1,053 company matches for business immigration law firms associated with the United Kingdom 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 city has the most business immigration law firms?

London leads with 521 company records, followed by Manchester (46) and Birmingham (38).

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 5,115 professional contacts with verified work emails tracked across these 1,053 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.

Ready to reach these companies? Verified emails and direct dials for all 1,053 business immigration law firms based in the United Kingdom. Start with a free account, no credit card.

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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.