Company lists · Data refreshed September 2026

Top 25 Infrastructure fund law firms based in London, United Kingdom

Name: Infrastructure fund 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 167 companies tracked

RevenueBase identified 167 company matches for infrastructure fund law firms associated with London, United Kingdom as of September 2026 and tracks 23,358 professional contacts across them, including 7,185 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for infrastructure fund law firms associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

167Companies

23,358Contacts tracked

7,185Verified emails

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The 25 largest infrastructure fund law firms based in London, United Kingdom

Ranked by team size

Top 25 of 167 company matches for infrastructure fund law firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	LAW Firm	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	6,284 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Simmons & Simmons	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	2,498 contacts →
	Exact match “An international law firm that acts like your business partner.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Slaughter And MAY	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,951 contacts →
	Exact match “Slaughter and May is regarded as one of the most prestigious law firms in the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Stephenson Harwood LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,474 contacts →
	Exact match “Stephenson Harwood is an international law firm, and we're committed to creating 'positive partnerships' with our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Mishcon DE Reya LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,376 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Watson Farley & Williams	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,331 contacts →
	Exact match “Watson Farley & Williams is a leading international law firm advising clients operating in the energy, infrastructure and transport sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Winckworth Sherwood LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	360 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Bristows	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	354 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	FOX Williams	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	223 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Beale & CO	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	205 contacts →
	Exact match “Originally founded in 1838 we have over 180 years’ experience providing specialist legal advice to the construction, engineering, infrastructure and insurance sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Amber Infrastructure	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	171 contacts →
	Exact match “Amber is part of Boyd Watterson Global Asset Management Group LLC (‘Boyd’), a global diversified infrastructure, real estate and fixed income business with over $39bn in assets…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Igneo Infrastructure Partners	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	117 contacts →
	Exact match “Sustainable Value Creation Through Partnership We seek to deliver sustainable returns through investment in mature, stable, infrastructure businesses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Marriott Harrison	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	114 contacts →
	Exact match “Marriott Harrison is a legal transactional and advisory firm, best known for its market-leading work alongside insightful investors and ambitious companies who build, evolve, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Fenwick Elliott LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	92 contacts →
	Exact match “We advise on every aspect of the construction process from inception through building to completion and operation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Arcus Infrastructure Partners LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	91 contacts →
	Exact match “Founded in 2009, Arcus is an independent infrastructure fund manager with a focus on the European mid-market.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Trinity International	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	79 contacts →
	Exact match “Trinity International LLP is a niche project and corporate finance law firm focusing on energy, infrastructure, resources and industry with offices in London, Paris, Washington DC…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	K&l Gates LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	63 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Ashurst LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	53 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Arjun Infrastructure Partners	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	48 contacts →
	Exact match “Arjun Infrastructure Partners is an independent European infrastructure fund manager with €7.6bn AUM.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	JP Legal	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	46 contacts →
	Exact match “J&P Legal is a regional law firm advising clients on a wide range of Corporate and Commercial matters.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Rosling King LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	45 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Memery Crystal	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	43 contacts →
	Exact match “Memery Crystal is a multi-disciplinary law firm with a reputation for providing high-quality commercial advice.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Rosenblatt LAW	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	38 contacts →
	Exact match “Rosenblatt Law - the experts you come to with an opportunity to seize or an issue to solve.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	CM Murray LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	31 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Mayer Brown International LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	27 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “infrastructure fund law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 167 infrastructure fund law firms based in London, United Kingdom

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Infrastructure fund law firms based in London, United Kingdom at a glance

As of Sep 28, 2026

30.8%Verified-email coverage

139.9Average 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

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 167 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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: Company records associated with London, United Kingdom whose business descriptions match “infrastructure fund law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 7,185 professional contacts with verified work emails across the full matched dataset. 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.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “infrastructure fund law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure fund law firms are there based in London, United Kingdom?

RevenueBase identified 167 company matches for infrastructure fund law firms associated with London, United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

LAW Firm tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most infrastructure fund law firms?

London leads the United Kingdom with 167 company records, followed by Manchester (7) and Belfast (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 7,185 professional contacts with verified work emails tracked across these 167 companies; direct dials are available where recorded.

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 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.