Company lists · Data refreshed September 2026

Top 25 Investment banking law firms based in the United Kingdom

Name: Investment banking law firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 127 companies tracked

RevenueBase identified 127 company matches for investment banking law firms associated with the United Kingdom as of September 2026 and tracks 4,918 professional contacts across them, including 2,360 with verified work emails. London is the largest hub.

This list covers company matches for investment banking law firms associated with the 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

127Companies

4,918Contacts tracked

2,360Verified emails

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The 25 largest investment banking law firms based in the United Kingdom

Ranked by team size

Top 25 of 127 company matches for investment banking law firms based in the 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	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
2	DC Advisory	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	721 contacts →
	Exact match “DC Advisory is an international investment bank committed to making a difference.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Clearwater	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	384 contacts →
	Exact match “Clearwater is an independent corporate finance house focused on unlocking the latent potential in every business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Panmure Liberum	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	203 contacts →
	Exact match “Panmure Liberum is a leading independent investment bank with global reach, accessing investors across the UK, Continental Europe, North America, and Asia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	TH Global Capital	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	120 contacts →
	Exact match “TH Global Capital is an award-winning global investment banking firm specializing in sector-focused investment banking and growth advisory services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	MBM Commercial LLP	Exact match	Edinburgh, United KingdomHQ recorded Sep 28, 2026	51-200	71 contacts →
	Exact match “MBM Commercial is an award-winning legal firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Aream & CO	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	56 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Dinosaur Merchant Bank Dmbl	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	56 contacts →
	Exact match “Dinosaur is a full-service, independent, international investment bank, fully regulated by the FCA, SEC and FINRA, and with a robust and rigorous compliance department.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	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
10	Hannam & Partners	Exact match	West End, United KingdomHQ recorded Sep 28, 2026	11-50	40 contacts →
	Exact match “Hannam & Partners is a leading independent investment bank.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	SP Angel	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	33 contacts →
	Exact match “We have expanded steadily since our formation in 2006 and currently act as adviser and broker to over 50 companies quoted on AIM, the Aquis Exchange or the Main Market.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Silverpeak	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	29 contacts →
	Exact match “Silverpeak is a boutique investment bank specialising in M&A and financing for technology growth companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	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
14	Herax Partners	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “Herax Partners is an independent firm providing high quality corporate finance advice.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Afry Capital Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “AFRY Capital is the investment banking arm of AFRY.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Fieldfisher Trading Legal Solutions	Exact match	Holywood, United KingdomHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “The team at Fieldfisher \| TLS are the experts for the experts!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	GCA Altium	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	16 contacts →
	Exact match “GCA Altium is the European business of GCA, a global investment bank that provides strategic M&A and capital markets advisory services to growth companies and market leaders.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	HSA Advisory	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	16 contacts →
	Exact match “HSA Advisory is an independent investment banking boutique launched in November 2023 : We cater to the Mid-Market firms : Based in London, we focus on-> Identification of…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Zaoui & CO	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	15 contacts →
	Exact match “Michael and Yoel Zaoui established Zaoui & Co.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Quercus International	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “Our experienced partner-led team is committed to every transaction from first conversation to completion.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Europa Partners	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “Europa Partners is an independent boutique investment bank based in London.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	D'angelin & Co. Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	13 contacts →
	Exact match “d'Angelin & Co.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Latif & Company	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	12 contacts →
	Exact match “Latif & Company (L&C) is a London-based independent investment banking firm providing M&A, corporate finance and strategic advice to financial services and institutional clients…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Venero Capital Advisors	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “Venero Capital Advisors is a boutique sell-side investment bank providing unconflicted M&A and capital raising advice to founder-led technology businesses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Financial Brokers	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	1-10	12 contacts →
	Exact match “For over a decade, Financial Brokers have served as trusted independent financial advisors to institutional clients, government agencies, and high net worth/ultra-high net worth…” 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 “investment banking 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 127 investment banking law firms based in the United Kingdom

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Investment banking law firms based in the United Kingdom at a glance

As of Sep 28, 2026

48.0%Verified-email coverage

38.7Average contacts per company

11-50Median size (employees)

75.6%Largest-city concentration · London

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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 127 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 the United Kingdom whose business descriptions match “investment banking 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 2,360 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.

Investment banking law firms by metro

Investment banking law firms in London96

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 “investment banking law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many investment banking law firms are there based in the United Kingdom?

RevenueBase identified 127 company matches for investment banking law firms associated with the 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?

Slaughter And MAY tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most investment banking law firms?

London leads with 96 company records, followed by West End (3) and Edinburgh (2).

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 2,360 professional contacts with verified work emails tracked across these 127 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.