Company lists · Data refreshed September 2026

Top 25 Institutional investor law firms based in London, United Kingdom

Name: Institutional investor 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 458 companies tracked

RevenueBase identified 458 institutional investor law firms headquartered in London, United Kingdom as of September 2026 and tracks 26,909 professional contacts across them, including 8,994 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers institutional investor 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

458Companies

26,909Contacts tracked

8,994Verified emails

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The 25 largest institutional investor law firms based in London, United Kingdom

Ranked by team size

Top 25 of 458 institutional investor 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 institutional investor 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	LAW Firm	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	n/a	6,284 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
2	Slaughter And MAY	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1,001-5,000	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 28, 2026
3	Mishcon DE Reya LLP	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1,001-5,000	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 28, 2026
4	Taylor Rose	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1,001-5,000	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 28, 2026
5	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
6	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
7	Albourne	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	590 contacts →
	Indirect evidence “Albourne¹ was established in London in March 1994 as an independently owned advisor specializing in alternative assets.” Source: RevenueBase Database · checked Sep 28, 2026
8	Stewarts	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	201-500	495 contacts →
	Partial evidence “Stewarts is a law firm like no other.” Source: RevenueBase Database · checked Sep 28, 2026
9	Howard Kennedy LLP	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	201-500	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 28, 2026
10	Winckworth Sherwood LLP	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	201-500	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 28, 2026
11	Bristows	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	201-500	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 28, 2026
12	Epic Investment Partners	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	201-500	301 contacts →
	Partial evidence “EPIC Investment Partners is an independent investment, administration and advisory firm.” Source: RevenueBase Database · checked Sep 28, 2026
13	FOX Williams	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	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 28, 2026
14	Beale & CO	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	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 28, 2026
15	Three Crowns LLP	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	179 contacts →
	Partial evidence “Three Crowns LLP, a law firm founded by practice leaders with decades of experience across many different international firms, is regarded as "one of the premier arbitration…” Source: RevenueBase Database · checked Sep 28, 2026
16	Collyer Bristow	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	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 28, 2026
17	DRS	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	151 contacts →
	Indirect evidence “DRS is an alternative legal services provider to the financial services sector.” Source: RevenueBase Database · checked Sep 28, 2026
18	Signature Litigation	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	146 contacts →
	Partial evidence “Signature Litigation is a London-based law firm with offices in Paris, Gibraltar and Frankfurt, specialising in commercial litigation and arbitration.” Source: RevenueBase Database · checked Sep 28, 2026
19	Peters & Peters	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	131 contacts →
	Partial evidence “Peters & Peters is one of the UK's leading law firms in business crime, commercial litigation and compliance.” Source: RevenueBase Database · checked Sep 28, 2026
20	Sackers	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	119 contacts →
	Strong evidence “Sackers is the UK's leading commercial law firm for pension scheme trustees, employers, corporate investors and providers.” Source: RevenueBase Database · checked Sep 28, 2026
21	KP LAW	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	117 contacts →
	Partial evidence “KP Law acts for claimants in court and tribunal matters across a variety of claims and practice areas.” Source: RevenueBase Database · checked Sep 28, 2026
22	Hunters LAW LLP	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	97 contacts →
	Indirect evidence “Legal issues can be complex and stressful – even those which might initially seem straightforward.” Source: RevenueBase Database · checked Sep 28, 2026
23	Columbia Threadneedle Investments Emea Apac	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1,001-5,000	96 contacts →
	Partial evidence “At Columbia Threadneedle Investments, we invest to make a difference in your world, and the wider world.” Source: RevenueBase Database · checked Sep 28, 2026
24	Jury O'shea LLP	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	95 contacts →
	Partial evidence “We are a City law firm dedicated to delivering practical, strategic and structured legal solutions in real estate, dispute resolution, private client and employment law matters.” Source: RevenueBase Database · checked Sep 28, 2026
25	Davitt Jones Bould DJB	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	92 contacts →
	Partial evidence “DJB is a national law firm that specialises entirely in real estate.” 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: institutional investor 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 institutional investor law firms.
Partial evidence: Its own public description names part of institutional investor law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name institutional investor 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 458 institutional investor law firms based in London, United Kingdom

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Institutional investor law firms based in London, United Kingdom at a glance

As of Sep 28, 2026

33.4%Verified-email coverage

58.8Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

242

11-50

145

51-200

201-500

501-1,000

1,001-5,000

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 458 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 institutional investor 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 “institutional investor 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 institutional investor 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 institutional investor 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, 8,994 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.

Institutional investor law firms by metro in the United Kingdom

Institutional investor law firms in Manchester30

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 institutional investor 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 institutional investor law firms are there based in London, United Kingdom?

RevenueBase identified 458 institutional investor 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?

LAW Firm, headquartered in London, tops this list with the largest team on record.

Which city in the United Kingdom has the most institutional investor law firms?

London leads the United Kingdom with 458 headquartered companies, followed by Manchester (30) and Liverpool (18).

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 8,994 verified decision-maker contacts tracked across these 458 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.