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, how directly it supports the match, 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 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 HQ checked on every row Match evidence 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. Evidence rates how directly each company's own description names legal support services law firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Irwin MitchellStrong evidence	Chichester, United KingdomHQ checked Sep 4, 2026	1,001-5,000	2,968
	“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: company website · checked Sep 4, 2026
2	Slaughter And MAYPartial evidence	London, United KingdomHQ checked Sep 4, 2026	1,001-5,000	1,955
	“Slaughter and May is regarded as one of the most prestigious law firms in the world.” Source: company website · checked Sep 4, 2026
3	ShoosmithsPartial evidence	London, United KingdomHQ checked Sep 4, 2026	1,001-5,000	1,449
	“We’re the law firm clients choose for excellent service, incisive thinking and above all for our ability to focus on what matters.” Source: company website · checked Sep 4, 2026
4	Kingsley NapleyPartial evidence	London, United KingdomHQ checked Sep 4, 2026	501-1,000	555
	“Kingsley Napley is an internationally recognised law firm based in central London.” Source: company website · checked Sep 4, 2026
5	Talbots LAWStrong evidence	Stourbridge, United KingdomHQ checked Sep 4, 2026	501-1,000	414
	“Talbots Law can offer your business a wide range of legal services - no matter what business you are in.” Source: company website · checked Sep 4, 2026
6	DMH Stallard LLPPartial evidence	Brighton, United KingdomHQ checked Sep 4, 2026	201-500	413
	“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: company website · checked Sep 4, 2026
7	Stowe Family LAW LLPPartial evidence	Leeds, United KingdomHQ checked Sep 4, 2026	201-500	353
	“Stowe Family Law is the UK's largest specialist family law firm, with an excellent national and international reputation.” Source: company website · checked Sep 4, 2026
8	Ashtons Legal LLPStrong evidence	Bury St. Edmunds, United KingdomHQ checked Sep 4, 2026	201-500	344
	“Ashtons Legal is an award-winning law firm with a strong focus on customer service.” Source: company website · checked Sep 4, 2026
9	Lyons Davidson LimitedPartial evidence	Bristol, United KingdomHQ checked Sep 4, 2026	501-1,000	339
	“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: company website · checked Sep 4, 2026
10	Clarion SolicitorsIndirect evidence	Leeds, United KingdomHQ checked Sep 4, 2026	201-500	309
	“At Clarion, we do things a little differently.” Source: company website · checked Sep 4, 2026
11	Ison Harrison SolicitorsPartial evidence	Leeds, United KingdomHQ checked Sep 4, 2026	201-500	281
	“Our specialist teams of solicitors and lawyers offer a full range of legal services - both for you and your business.” Source: company website · checked Sep 4, 2026
12	Higgs LLPStrong evidence	Brierley Hill, United KingdomHQ checked Sep 4, 2026	201-500	271
	“Higgs LLP is a multi-regional law firm providing a comprehensive range of legal services tailored to the needs of owner-managed businesses.” Source: company website · checked Sep 4, 2026
13	ThringsStrong evidence	Bristol, United KingdomHQ checked Sep 4, 2026	201-500	269
	“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: company website · checked Sep 4, 2026
14	LindsaysStrong evidence	Edinburgh, United KingdomHQ checked Sep 4, 2026	201-500	268
	“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: company website · checked Sep 4, 2026
15	FOX WilliamsPartial evidence	London, United KingdomHQ checked Sep 4, 2026	51-200	222
	“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: company website · checked Sep 4, 2026
16	Judge & PriestleyPartial evidence	Bromley, United KingdomHQ checked Sep 4, 2026	201-500	221
	“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: company website · checked Sep 4, 2026
17	Lanyon BowdlerIndirect evidence	Shrewsbury, United KingdomHQ checked Sep 4, 2026	201-500	198
	“Lanyon Bowdler has offices in Shrewsbury, Bromyard, Conwy, Hereford, Ludlow, Oswestry and Telford.” Source: company website · checked Sep 4, 2026
18	Redkite SolicitorsPartial evidence	Cardiff, United KingdomHQ checked Sep 4, 2026	201-500	196
	“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: company website · checked Sep 4, 2026
19	HCB SolicitorsStrong evidence	Solihull, United KingdomHQ checked Sep 4, 2026	201-500	188
	“Access to trusted and local legal support matters.” Source: company website · checked Sep 4, 2026
20	Pinsent Masons VarioPartial evidence	London, United KingdomHQ checked Sep 4, 2026	1,001-5,000	171
	“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: company website · checked Sep 4, 2026
21	Morr & CO LLPPartial evidence	Redhill, United KingdomHQ checked Sep 4, 2026	51-200	166
	“Morr & Co LLP have been providing legal services to individuals and businesses since opening in Reigate nearly 300 years ago.” Source: company website · checked Sep 4, 2026
22	Smith PartnershipPartial evidence	Derby, United KingdomHQ checked Sep 4, 2026	201-500	162
	“We're a full service law firm established in 1987, with offices across the East Midlands and Staffordshire.” Source: company website · checked Sep 4, 2026
23	Wilson Browne SolicitorsPartial evidence	Kettering, United KingdomHQ checked Sep 4, 2026	51-200	155
	“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: company website · checked Sep 4, 2026
24	Ledingham Chalmers SolicitorsIndirect evidence	Aberdeen, United KingdomHQ checked Sep 4, 2026	51-200	154
	“Advising.” Source: company website · checked Sep 4, 2026
25	Harper JamesStrong evidence	Birmingham, United KingdomHQ checked Sep 4, 2026	51-200	150
	“We believe every business - no matter its size - deserves access to top-tier legal support.” Source: company website · checked Sep 4, 2026

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

11-50Median size (employees)

LondonLargest hub · 290 HQs

3,555Contacts with mobile numbers

Sep 4, 2026Data 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

Verified emails by last verification

0–30

31–60

1,467

61–90

9,766

90–180

6,800

180+

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 evidence 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 SmartSearch, 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.
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 an evidence 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

Legal support services law firms in London290
Legal support services law firms in Manchester37

Frequently asked

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 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.