Company lists · Data refreshed September 2026

Top 25 Legal support services law firms based in the United Kingdom

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

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 1,278 companies tracked

RevenueBase identified 1,278 legal support services law firms headquartered in the United Kingdom as of September 2026 and tracks 36,681 professional contacts across them, including 18,107 with verified work emails and 3,555 with mobile numbers. London is the largest hub.

This list covers legal support services law firms headquartered in the 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 4, 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 4, 2026 86% judged on-target in blind review

1,278Companies

36,681Contacts tracked

18,107Verified emails

3,555Mobile numbers

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

Ranked by team size

Top 25 of 1,278 legal support services law firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 4, 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	Irwin Mitchell	Strong evidence	Chichester, United KingdomHQ checked Sep 4, 2026	1,001-5,000	2,968 contacts →
	Strong evidence “Irwin Mitchell is one of the UK’s largest full-service law firms, We believe everyone deserves clear legal guidance, strong advocacy, and genuine care.” Source: RevenueBase Database · checked Sep 4, 2026
2	Slaughter And MAY	Partial evidence	London, United KingdomHQ checked Sep 4, 2026	1,001-5,000	1,955 contacts →
	Partial evidence “Slaughter and May is regarded as one of the most prestigious law firms in the world.” Source: RevenueBase Database · checked Sep 4, 2026
3	Shoosmiths	Partial evidence	London, United KingdomHQ checked Sep 4, 2026	1,001-5,000	1,449 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 4, 2026
4	Kingsley Napley	Partial evidence	London, United KingdomHQ checked Sep 4, 2026	501-1,000	555 contacts →
	Partial evidence “Kingsley Napley is an internationally recognised law firm based in central London.” Source: RevenueBase Database · checked Sep 4, 2026
5	Talbots LAW	Strong evidence	Stourbridge, United KingdomHQ checked Sep 4, 2026	501-1,000	414 contacts →
	Strong evidence “Talbots Law can offer your business a wide range of legal services - no matter what business you are in.” Source: RevenueBase Database · checked Sep 4, 2026
6	DMH Stallard LLP	Partial evidence	Brighton, United KingdomHQ checked Sep 4, 2026	201-500	413 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 4, 2026
7	Stowe Family LAW LLP	Partial evidence	Leeds, United KingdomHQ checked Sep 4, 2026	201-500	353 contacts →
	Partial evidence “Stowe Family Law is the UK's largest specialist family law firm, with an excellent national and international reputation.” Source: RevenueBase Database · checked Sep 4, 2026
8	Ashtons Legal LLP	Strong evidence	Bury St. Edmunds, United KingdomHQ checked Sep 4, 2026	201-500	344 contacts →
	Strong evidence “Ashtons Legal is an award-winning law firm with a strong focus on customer service.” Source: RevenueBase Database · checked Sep 4, 2026
9	Lyons Davidson Limited	Partial evidence	Bristol, United KingdomHQ checked Sep 4, 2026	501-1,000	339 contacts →
	Partial evidence “Lyons Davidson is a national law practice operating from principal offices in Bristol and offices in Solihull, Leeds and Cardiff, with our associated practice in Edinburgh, Lyons…” Source: RevenueBase Database · checked Sep 4, 2026
10	Clarion Solicitors	Indirect evidence	Leeds, United KingdomHQ checked Sep 4, 2026	201-500	309 contacts →
	Indirect evidence “At Clarion, we do things a little differently.” Source: RevenueBase Database · checked Sep 4, 2026
11	Ison Harrison Solicitors	Partial evidence	Leeds, United KingdomHQ checked Sep 4, 2026	201-500	281 contacts →
	Partial evidence “Our specialist teams of solicitors and lawyers offer a full range of legal services - both for you and your business.” Source: RevenueBase Database · checked Sep 4, 2026
12	Higgs LLP	Strong evidence	Brierley Hill, United KingdomHQ checked Sep 4, 2026	201-500	271 contacts →
	Strong evidence “Higgs LLP is a multi-regional law firm providing a comprehensive range of legal services tailored to the needs of owner-managed businesses.” Source: RevenueBase Database · checked Sep 4, 2026
13	Thrings	Strong evidence	Bristol, United KingdomHQ checked Sep 4, 2026	201-500	269 contacts →
	Strong evidence “As one of the UK's top 100 law firms, Thrings dominates the M4 legal corridor with offices in Bath, Bristol, London, Romsey, Swindon, Lydney and Ross on Wye.” Source: RevenueBase Database · checked Sep 4, 2026
14	Lindsays	Strong evidence	Edinburgh, United KingdomHQ checked Sep 4, 2026	201-500	268 contacts →
	Strong evidence “Lindsays is one of Scotland's leading independent law firms, supporting clients across the country with a full range of legal services for individuals, families, businesses and…” Source: RevenueBase Database · checked Sep 4, 2026
15	FOX Williams	Partial evidence	London, United KingdomHQ checked Sep 4, 2026	51-200	222 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 4, 2026
16	Judge & Priestley	Partial evidence	Bromley, United KingdomHQ checked Sep 4, 2026	201-500	221 contacts →
	Partial evidence “Judge & Priestley is a well established firm of solicitors offering a wide range of legal services to individuals, commercial organisations and public sector clients.” Source: RevenueBase Database · checked Sep 4, 2026
17	Lanyon Bowdler	Indirect evidence	Shrewsbury, United KingdomHQ checked Sep 4, 2026	201-500	198 contacts →
	Indirect evidence “Lanyon Bowdler has offices in Shrewsbury, Bromyard, Conwy, Hereford, Ludlow, Oswestry and Telford.” Source: RevenueBase Database · checked Sep 4, 2026
18	Redkite Solicitors	Partial evidence	Cardiff, United KingdomHQ checked Sep 4, 2026	201-500	196 contacts →
	Partial evidence “Redkite Solicitors combines long experience and a passion for personal service with a modern approach to legal services for individuals, families, and businesses of every size.” Source: RevenueBase Database · checked Sep 4, 2026
19	HCB Solicitors	Strong evidence	Solihull, United KingdomHQ checked Sep 4, 2026	201-500	188 contacts →
	Strong evidence “Access to trusted and local legal support matters.” Source: RevenueBase Database · checked Sep 4, 2026
20	Pinsent Masons Vario	Partial evidence	London, United KingdomHQ checked Sep 4, 2026	1,001-5,000	171 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 4, 2026
21	Morr & CO LLP	Partial evidence	Redhill, United KingdomHQ checked Sep 4, 2026	51-200	166 contacts →
	Partial evidence “Morr & Co LLP have been providing legal services to individuals and businesses since opening in Reigate nearly 300 years ago.” Source: RevenueBase Database · checked Sep 4, 2026
22	Smith Partnership	Partial evidence	Derby, United KingdomHQ checked Sep 4, 2026	201-500	162 contacts →
	Partial evidence “We're a full service law firm established in 1987, with offices across the East Midlands and Staffordshire.” Source: RevenueBase Database · checked Sep 4, 2026
23	Wilson Browne Solicitors	Partial evidence	Kettering, United KingdomHQ checked Sep 4, 2026	51-200	155 contacts →
	Partial evidence “When you need legal advice, you deserve a firm that will stand with you every step of the way: that’s where we come in.” Source: RevenueBase Database · checked Sep 4, 2026
24	Ledingham Chalmers Solicitors	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 4, 2026	51-200	154 contacts →
	Indirect evidence “Advising.” Source: RevenueBase Database · checked Sep 4, 2026
25	Harper James	Strong evidence	Birmingham, United KingdomHQ checked Sep 4, 2026	51-200	150 contacts →
	Strong evidence “We believe every business - no matter its size - deserves access to top-tier legal support.” Source: RevenueBase Database · checked Sep 4, 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 1,278 legal support services law firms based in the United Kingdom

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

As of Sep 4, 2026

49.4%Verified-email coverage

9.7%Mobile-number coverage

28.7Average contacts per company

11-50Median size (employees)

22.7%Largest-city concentration · London

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

538

11-50

497

51-200

173

201-500

501-1,000

1,001-5,000

5,001-10,000

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

1,46731–60

9,76661–90

6,80090–180

74180+

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 the 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 United Kingdom 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, 18,107 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 4, 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

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 the United Kingdom?

RevenueBase identified 1,278 legal support services law firms headquartered in the 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?

Irwin Mitchell, headquartered in Chichester, tops this list with the largest team on record.

Which city has the most legal support services law firms?

London leads 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 18,107 verified decision-maker contacts tracked across these 1,278 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 4, 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.