Company lists · Data refreshed September 2026

Top 25 Investment law firms based in London, United Kingdom

Name: Investment 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 28, 2026 50 companies tracked

RevenueBase identified 50 investment law firms headquartered in London, United Kingdom as of September 2026 and tracks 1,597 professional contacts across them, including 1,074 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers investment 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 28, 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 28, 2026 86% judged on-target in blind review

50Companies

1,597Contacts tracked

1,074Verified emails

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The 25 largest investment law firms based in London, United Kingdom

Ranked by team size

Top 25 of 50 investment law firms based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to investment 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	Farrer & CO	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	201-500	693 contacts →
	Indirect evidence “Farrer & Co is synonymous with the highest quality legal advice and service.” Source: RevenueBase Database · checked Sep 28, 2026
2	Forsters LLP	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	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 28, 2026
3	Rosling King LLP	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	45 contacts →
	Partial evidence “Rosling King is a rapidly growing UK-based law firm specialising in serving the needs of financial institutions and the real estate, private equity and construction sectors.” Source: RevenueBase Database · checked Sep 28, 2026
4	CM Murray LLP	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	31 contacts →
	Partial evidence “CM Murray LLP's 'deep expertise in both partnership and employment law', makes it well-placed to handle complex and sensitive matters for clients.” Legal 500 Tier 1 (Partnership…” Source: RevenueBase Database · checked Sep 28, 2026
5	SUN Global Investments Limited	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	31 contacts →
	Partial evidence “Sun Global Investments Limited is an investment advisory firm providing full scope of services to Institutional Investors, Family offices, Corporate Clients and High Net Worth…” Source: RevenueBase Database · checked Sep 28, 2026
6	Mayer Brown International LLP	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	27 contacts →
	Partial evidence “Mayer Brown is a distinctively global law firm, uniquely positioned to advise the world’s leading companies and financial institutions on their most complex deals and disputes.” Source: RevenueBase Database · checked Sep 28, 2026
7	RW Blears	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	18 contacts →
	Strong evidence “We’re a law firm with decades of experience in advising on the full fundraising, investment and exit lifecycle, delivering sensible and commercial insight, without the…” Source: RevenueBase Database · checked Sep 28, 2026
8	Mashoura For Immigration	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “Mashoura is a leading UK immigration law firm, exclusively serving clients from the Middle East.” Source: RevenueBase Database · checked Sep 28, 2026
9	Garth Coates Solicitors	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	11 contacts →
	Strong evidence “Garth Coates Solicitors is a leading law firm specialising in immigration, nationality, citizenship by investment and human rights law, as well as European Union legislation.” Source: RevenueBase Database · checked Sep 28, 2026
10	RIX Capital	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	11 contacts →
	Partial evidence “Investment advisory and investment management firm focusing on venture capital, private equity, public equities and hedge funds.” Source: RevenueBase Database · checked Sep 28, 2026
11	DMX Partners	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	10 contacts →
	Strong evidence “We are a law firm specializing in investments in private markets and our mission is to deliver high-quality, fast and cost-effective execution of primaries, secondaries and…” Source: RevenueBase Database · checked Sep 28, 2026
12	Ch. Hausmann & CO	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	6 contacts →
	Indirect evidence “Based in the heart of London's West End, CH.” Source: RevenueBase Database · checked Sep 28, 2026
13	Accelerate LAW	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Partial evidence “Accelerate Law is the leading legal advisor to innovative startups who are changing the world.” Source: RevenueBase Database · checked Sep 28, 2026
14	Cassadys Solicitors	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Partial evidence “Cassadys is a law firm which is fast gaining prominence as a niche provider of legal services across various sectors.” Source: RevenueBase Database · checked Sep 28, 2026
15	Ortega-Medina & Associates	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Indirect evidence “Ortega-Medina & Associates is a firm of United States business immigration lawyers, with associated offices in London, San Francisco and Miami Beach.” Source: RevenueBase Database · checked Sep 28, 2026
16	Allectus	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	4 contacts →
	Partial evidence “Allectus is an elite corporate law boutique that delivers effective results.” Source: RevenueBase Database · checked Sep 28, 2026
17	Meymand Maczynski	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	3 contacts →
	Partial evidence “Meymand Maczynski is a trusted boutique business immigration law firm in Mayfair regulated by the Solicitors Regulation Authority and recognised as a leading firm in the Legal 500.” Source: RevenueBase Database · checked Sep 28, 2026
18	Banfin	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	3 contacts →
	Partial evidence “Law for Finance transformed with BanFin.” Source: RevenueBase Database · checked Sep 28, 2026
19	Reen Anderson Solicitors	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	3 contacts →
	Partial evidence “At Reen Anderson Solicitors, we provide bespoke legal services designed to support your business and property investments to adhere to compliance requirements in business and in…” Source: RevenueBase Database · checked Sep 28, 2026
20	Trillium Legal	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “A new law firm specialising in corporate and commercial law.” Source: RevenueBase Database · checked Sep 28, 2026
21	Mckenzia Solicitors	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “A London Law firm specialising in Criminal Law, Private Clients, Company and Civil” Source: RevenueBase Database · checked Sep 28, 2026
22	Anthem Advisory	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	2 contacts →
	Indirect evidence “Anthem Advisory is a boutique advisory firm serving the needs of financial institutions, corporates and growth companies.” Source: RevenueBase Database · checked Sep 28, 2026
23	CML Consultants Limited	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “CML Consultants can assist with Investment Advisor, Fund Manager and Fund creation and set up, acquisitions and divestments, ongoing maintenance, monitoring and reporting, and…” Source: RevenueBase Database · checked Sep 28, 2026
24	Empros Legal	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “A modern law firm with traditional values, practicing in a wide range of disciplines.” Source: RevenueBase Database · checked Sep 28, 2026
25	Prior LAW	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “Niche corporate law firm specialising in employment law, M&A work, corporate structures and procedures.” Source: RevenueBase Database · checked Sep 28, 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: investment 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 investment law firms.
Partial evidence: Its own public description names part of investment law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name investment 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 50 investment law firms based in London, United Kingdom

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Investment law firms based in London, United Kingdom at a glance

As of Sep 28, 2026

67.3%Verified-email coverage

31.9Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 50 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 investment 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 “investment 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 investment 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 investment 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, 1,074 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 28, 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.

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 investment 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 investment law firms are there based in London, United Kingdom?

RevenueBase identified 50 investment 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?

Farrer & CO, headquartered in London, tops this list with the largest team on record.

Which city in the United Kingdom has the most investment law firms?

London leads the United Kingdom with 50 headquartered companies, followed by Gateshead (2) and Manchester (2).

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 1,074 verified decision-maker contacts tracked across these 50 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 28, 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.