Company lists · Data refreshed September 2026

Top 25 Legal support services law firms based in London, United Kingdom

Name: Legal support services law firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 12, 2026 280 companies tracked

RevenueBase identified 280 legal support services law firms headquartered in London, United Kingdom as of September 2026 and tracks 7,529 professional contacts across them, including 3,603 with verified work emails and 384 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers legal support services law firms headquartered in London, United Kingdom, 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 12, 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 12, 2026 86% judged on-target in blind review

280Companies

7,529Contacts tracked

3,603Verified emails

384Mobile numbers

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The 25 largest legal support services law firms based in London, United Kingdom

Ranked by team size

Top 25 of 280 legal support services law firms based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 12, 2026. RevenueBase Smart Search rates how each company's information relates to legal support services 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Slaughter And MAY	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	1,001-5,000	1,951 contacts →
	Partial evidence “Slaughter and May is regarded as one of the most prestigious law firms in the world.” Source: RevenueBase Database · checked Sep 12, 2026
2	Shoosmiths	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	1,001-5,000	1,444 contacts →
	Partial evidence “We’re the law firm clients choose for excellent service, incisive thinking and above all for our ability to focus on what matters.” Source: RevenueBase Database · checked Sep 12, 2026
3	Kingsley Napley	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	501-1,000	560 contacts →
	Partial evidence “Kingsley Napley is an independent, internationally recognised London law firm, trusted by individuals, businesses and organisations to discreetly handle complex, high-profile, and…” Source: RevenueBase Database · checked Sep 12, 2026
4	FOX Williams	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	223 contacts →
	Partial evidence “Fox Williams is a leading law firm based in the City of London, trusted by its clients to provide quality advice with a high level of partner involvement and an astute commercial…” Source: RevenueBase Database · checked Sep 12, 2026
5	Pinsent Masons Vario	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	1,001-5,000	169 contacts →
	Partial evidence “Pinsent Masons Vario is a core part of the Pinsent Masons offering, designed to integrate legal resourcing, technology and managed services into one seamless solution.” Source: RevenueBase Database · checked Sep 12, 2026
6	Paul Robinson Solicitors LLP	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	123 contacts →
	Partial evidence “Paul Robinson Solicitors LLP offer a complete range of legal services to individuals and businesses locally, in Essex and London.” Source: RevenueBase Database · checked Sep 12, 2026
7	TV Edwards Solicitors	Strong evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	119 contacts →
	Strong evidence “Awarded the Law Society Excellence Award for practice management, Legal 500 leading firm and Top Ranked Chambers UK.” Source: RevenueBase Database · checked Sep 12, 2026
8	Farani Taylor Solicitors	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	80 contacts →
	Indirect evidence “We believe in offering the extraordinary with personal services tailored just for you.” Source: RevenueBase Database · checked Sep 12, 2026
9	Grant SAW Solicitors LLP	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	62 contacts →
	Partial evidence “Grant Saw is a firm of solicitors which provides legal services to individuals and businesses.” Source: RevenueBase Database · checked Sep 12, 2026
10	Bolt Burdon	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	57 contacts →
	Indirect evidence “Bolt Burdon is a firm of solicitors providing quality service to individuals and businesses.” Source: RevenueBase Database · checked Sep 12, 2026
11	Leadenhall LAW Group	Strong evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	54 contacts →
	Strong evidence “Leadenhall Law Group is an expanding legal firm which has expertise in the respective fields within Residential & Commercial Property, Family Law, Wills & Probate and Housing Law.” Source: RevenueBase Database · checked Sep 12, 2026
12	Freemans Solicitors	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	49 contacts →
	Indirect evidence “Freemans Solicitors was established in 1995 by Howard Freeman.” Source: RevenueBase Database · checked Sep 12, 2026
13	Lisa's LAW Solicitors	Strong evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	47 contacts →
	Strong evidence “Situated in the heart of Central London, Lisa’s Law Solicitors is a Legal 500 firm with the legal expertise and know-how to provide solutions to your every legal need.” Source: RevenueBase Database · checked Sep 12, 2026
14	Obelisk Support	Strong evidence	London, United KingdomHQ checked Sep 12, 2026	501-1,000	42 contacts →
	Strong evidence “Obelisk Support has been providing legal support solutions to in house legal teams and law firms since 2010.” Source: RevenueBase Database · checked Sep 12, 2026
15	Burke Niazi LTD	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	41 contacts →
	Indirect evidence “Burke Niazi specialises in helping clients in difficult personal and family situations.” Source: RevenueBase Database · checked Sep 12, 2026
16	Auxilio	Strong evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	36 contacts →
	Strong evidence “Auxilio provides outsourced legal services to busy law firms like yours.” Source: RevenueBase Database · checked Sep 12, 2026
17	Judge Sykes Frixou	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	35 contacts →
	Indirect evidence “Judge Sykes Frixou is a firm of lawyers based in Holborn, London.” Source: RevenueBase Database · checked Sep 12, 2026
18	3cs Corporate Solicitors	Strong evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	34 contacts →
	Strong evidence “3CS Corporate Solicitors is a British law firm based in the City of London providing a comprehensive legal service to more than 250 international companies, including many of the…” Source: RevenueBase Database · checked Sep 12, 2026
19	W Legal	Strong evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	32 contacts →
	Strong evidence “W Legal is a boutique law firm that offers top City-trained lawyers.” Source: RevenueBase Database · checked Sep 12, 2026
20	Patron LAW	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	28 contacts →
	Partial evidence “Patron Law is an entrepreneurial full service law firm based in the Holland Park area of London.” Source: RevenueBase Database · checked Sep 12, 2026
21	Paralaw A Consilio Company	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	27 contacts →
	Indirect evidence “Now part of the Lawyers on Demand offering within the broader Consilio family.” Source: RevenueBase Database · checked Sep 12, 2026
22	Arbor LAW	Strong evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	24 contacts →
	Strong evidence “Arbor Law was founded by lawyers who built their careers at the top of the profession: in leading City and international firms and as General Counsel and Head of Legal in major…” Source: RevenueBase Database · checked Sep 12, 2026
23	S. A. J Legal	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	24 contacts →
	Partial evidence “Public Law 2.” Source: RevenueBase Database · checked Sep 12, 2026
24	DJF Solicitors	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	22 contacts →
	Partial evidence “DJF Solicitors offers a new home for independent lawyers to focus on legal practice, whilst we manage the administrative and regulatory requirements.” Source: RevenueBase Database · checked Sep 12, 2026
25	Mills Chody LLP	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	20 contacts →
	Indirect evidence “We are a professional and friendly established firm with a commercial outlook.” Source: RevenueBase Database · checked Sep 12, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: legal support services law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names legal support services law firms.
Partial evidence: Its own public description names part of legal support services law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name legal support services law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 280 legal support services law firms based in London, United Kingdom

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Legal support services law firms based in London, United Kingdom at a glance

As of Sep 12, 2026

47.9%Verified-email coverage

5.1%Mobile-number coverage

26.9Average contacts per company

1-10Median size (employees)

Sep 12, 2026Page data refreshed

Companies by employee count

1-10

142

11-50

105

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 14.0d

3,0470–30

52831–60

1161–90

190–180

16180+

Company record updated

Median 64.0d

00–30

3,00631–60

3,39061–90

69790–180

436180+

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 legal support services 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 London, United Kingdom whose own description of what they do matches “legal support services 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 legal support services 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 legal support services law firms, and records with no verified work email. Companies headquartered outside London 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, 3,603 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 12, 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.

Legal support services law firms by metro in the United Kingdom

Legal support services law firms in Manchester37

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 legal support services 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 legal support services law firms are there based in London, United Kingdom?

RevenueBase identified 280 legal support services law firms headquartered in London, United Kingdom 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?

Slaughter And MAY, headquartered in London, tops this list with the largest team on record.

Which city in the United Kingdom has the most legal support services law firms?

London leads the United Kingdom with 290 headquartered companies, followed by Manchester (37) and Birmingham (23).

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 3,603 verified decision-maker contacts tracked across these 280 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 12, 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.