Company lists · Data refreshed September 2026
Top 25 Contract law firms based in the United Kingdom
RevenueBase identified 1,696 contract law firms headquartered in the United Kingdom as of September 2026 and tracks 42,016 professional contacts across them, including 24,527 with verified work emails and 2,037 with mobile numbers. London is the largest hub.
This list covers contract 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 29, 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.
The 25 largest contract law firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,797 contacts → | ||||
Indirect evidence “We’re your business advisers as well as your lawyers, working in step with you to protect your interests today and progress your ambitions for tomorrow.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,231 contacts → | ||||
Partial evidence “An unpredictable world calls for a progressive-thinking law firm that’s aligned to your ambitions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,155 contacts → | ||||
Partial evidence “Taylor Rose is a top 60 independent law firm with 1,700 experts operating nationwide and is recommended by the Legal 500 UK.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 693 contacts → | ||||
Indirect evidence “Farrer & Co is synonymous with the highest quality legal advice and service.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 615 contacts → | ||||
Indirect evidence “Through our network of eleven offices, we work together as one national team offering specialist legal advice and services to regional, national and international clients, both…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 582 contacts → | ||||
Partial evidence “Welcome to Walker Morris - a UK-headquartered law firm with international reach.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 460 contacts → | ||||
Partial evidence “We are a London based, full-service law firm, specialising in providing straightforward advice to ambitious clients ranging from entrepreneurial businesses, family offices and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 436 contacts → | ||||
Indirect evidence “Clients are at the heart of everything we do.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 433 contacts → | ||||
Indirect evidence “Fladgate has always been structured around deep relationships, true partnerships with clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 413 contacts → | ||||
Partial 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 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 408 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 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 339 contacts → | ||||
Partial evidence “Forbes Solicitors is an award winning law firm with 9 offices in Lancashire, Manchester and Leeds.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 339 contacts → | ||||
Partial evidence “Ashtons Legal is an award-winning law firm with a strong focus on customer service.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 330 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 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 307 contacts → | ||||
Indirect evidence “At Clarion, we do things a little differently.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 302 contacts → | ||||
Partial evidence “Geldards is one of the country’s leading law firms.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 283 contacts → | ||||
Indirect 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 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 270 contacts → | ||||
Partial 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 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 265 contacts → | ||||
Partial evidence “We are a dynamic, multifaceted law firm that provides a wide range of legal services to a creative and entrepreneurial client base.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 245 contacts → | ||||
Partial evidence “Roythornes Solicitors is a top 150 national law firm with five strategically located offices across the Midlands and East Anglia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 239 contacts → | ||||
Indirect evidence “Sills & Betteridge are proud to have been offering legal services to both private individuals and business clients for over 260 years.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 220 contacts → | ||||
Partial evidence “Founded in 1913 and based in Lincoln’s Inn, Edwin Coe is an independent London law firm built on clarity, collaboration and trust.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 220 contacts → | ||||
Indirect evidence “We understand that clients want straightforward, practical advice from people they trust.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: contract 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 contract law firms.
- Partial evidence
- Its own public description names part of contract law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name contract 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 1,696 contract law firms based in the United Kingdom
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Contract law firms based in the United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 31.0dCompany record updated
Median 81.0dHow 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 contract 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 “contract 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 contract 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 contract 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, 24,527 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 29, 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.
Contract 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 contract 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 contract law firms are there based in the United Kingdom?
RevenueBase identified 1,696 contract 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?
Slaughter And MAY, headquartered in London, tops this list with the largest team on record.
Which city has the most contract law firms?
London leads with 432 headquartered companies, followed by Manchester (49) and Birmingham (33).
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 24,527 verified decision-maker contacts tracked across these 1,696 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 29, 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.