Company lists · Data refreshed September 2026
Top 25 Cross-border finance law firms based in London, United Kingdom
RevenueBase identified 595 cross-border finance law firms headquartered in London, United Kingdom as of September 2026 and tracks 69,670 professional contacts across them, including 32,590 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers cross-border finance 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 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 cross-border finance law firms based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,805 contacts → | ||||
Partial evidence “Linklaters is a leading global law firm, supporting and investing in the future of our clients wherever they do business.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 6,487 contacts → | ||||
Partial evidence “Freshfields is a global firm with over 280 years’ experience of anticipating change, setting new standards and shaping the future of law.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 6,284 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 4,611 contacts → | ||||
Indirect evidence “Ashurst has combined with Perkins Coie to form Ashurst Perkins Coie.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 3,981 contacts → | ||||
Partial evidence “A pioneering global law practice, we provide high quality legal advice and innovation worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 3,097 contacts → | ||||
Indirect evidence “Welcome to Addleshaw Goddard (AG).” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 2,498 contacts → | ||||
Partial evidence “An international law firm that acts like your business partner.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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. | |||||
| 9 | 1,474 contacts → | ||||
Partial evidence “Stephenson Harwood is an international law firm, and we're committed to creating 'positive partnerships' with our clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1,376 contacts → | ||||
Indirect evidence “Based in London, Mishcon de Reya services an international community of clients and provides advice in situations where the constraints of geography often do not apply.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1,353 contacts → | ||||
Indirect evidence “At Mills & Reeve, our 1,450 plus people and over 850 lawyers share one vision – achieve more together.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1,331 contacts → | ||||
Partial evidence “Watson Farley & Williams is a leading international law firm advising clients operating in the energy, infrastructure and transport sectors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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. | |||||
| 14 | 1,113 contacts → | ||||
Indirect evidence “Trowers & Hamlins is well known for its eclectic mix of specialisations combining sector leadership in the UK and across the Middle East and Asia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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. | |||||
| 16 | 591 contacts → | ||||
Partial evidence “We’re Forsters, a leading law firm renowned for our private client and real estate focus.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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. | |||||
| 18 | 409 contacts → | ||||
Partial evidence “Spencer West is a leading full-service international law firm, committed to a values-led approach and advising businesses and individuals globally.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 360 contacts → | ||||
Partial evidence “A full service law firm with a diverse client base, Winckworth Sherwood prides itself on providing market leading advice across a broad range of sectors and markets.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 354 contacts → | ||||
Indirect evidence “We are a European headquartered hub for litigation, transactions and advice throughout the world and have remained fiercely independent since we first began in 1837.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 205 contacts → | ||||
Indirect evidence “Originally founded in 1838 we have over 180 years’ experience providing specialist legal advice to the construction, engineering, infrastructure and insurance sectors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 171 contacts → | ||||
Indirect evidence “Our pioneering integrated approach to professional services cuts through the complicated layers of the legal and accountancy world to give you straightforward joined-up advice and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 162 contacts → | ||||
Partial evidence “Collyer Bristow is a long-established London law firm with a distinguished heritage dating back to 1760.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 152 contacts → | ||||
Indirect evidence “As of 1 June 2026, Taylor Wessing's UK-led businesses combined with Winston & Strawn to become Winston Taylor.” 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: cross-border finance 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 cross-border finance law firms.
- Partial evidence
- Its own public description names part of cross-border finance law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cross-border finance 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 595 cross-border finance law firms based in London, United Kingdom
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 32,590 reachable decision-makers.
Free signup · no credit card
Cross-border finance law firms based in London, United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 595 companies.
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 cross-border finance 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 “cross-border finance 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 cross-border finance 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 cross-border finance 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, 32,590 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.
Cross-border finance law firms by metro in the United Kingdom
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 cross-border finance 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 cross-border finance law firms are there based in London, United Kingdom?
RevenueBase identified 595 cross-border finance 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?
Linklaters, headquartered in London, tops this list with the largest team on record.
Which city in the United Kingdom has the most cross-border finance law firms?
London leads the United Kingdom with 595 headquartered companies, followed by Manchester (27) and Leeds (17).
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 32,590 verified decision-maker contacts tracked across these 595 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.
Ready to reach these companies? Verified emails and direct dials for all 595 cross-border finance law firms based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Cross-border finance law firms by geography
- Cross-border finance law firms based in Brazil
- Cross-border finance law firms based in the United States
- Cross-border finance law firms based in Spain
- Cross-border finance law firms based in Italy
- Cross-border finance law firms based in France
- Cross-border finance law firms based in Germany
- Cross-border finance law firms based in Mexico
- Cross-border finance law firms based in the United Kingdom
- Cross-border finance law firms based in Poland
- Cross-border finance law firms based in Canada
- Cross-border finance law firms based in Australia
- Cross-border finance law firms based in the Netherlands
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cross-border finance law firms based in Brazil
- Cross-border finance law firms based in the United States
- Cross-border finance law firms based in Spain
- Cross-border finance law firms based in Italy
- Cross-border finance law firms based in France
- Cross-border finance law firms based in Germany