Company lists · Data refreshed September 2026

Top 25 Investment companies based in London, United Kingdom

Name: Investment companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 932 companies tracked

RevenueBase identified 932 investment companies headquartered in London, United Kingdom as of September 2026 and tracks 28,791 professional contacts across them, including 12,430 with verified work emails. London is the largest hub.

This list covers investment companies 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 20, 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 20, 2026 86% judged on-target in blind review

932Companies

28,791Contacts tracked

12,430Verified emails

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The 25 largest investment companies based in London, United Kingdom

Ranked by team size

Top 25 of 932 investment companies based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to investment companies: 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	Janus Henderson Investors	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	1,001-5,000	3,000 contacts →
	Strong evidence “At Janus Henderson, we are investors – we help clients define and achieve superior financial outcomes through differentiated insights, disciplined investments, and world-class…” Source: RevenueBase Database · checked Sep 20, 2026
2	RBC Brewin Dolphin	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	1,001-5,000	1,927 contacts →
	Indirect evidence “RBC Brewin Dolphin is one of the UK and Ireland’s leading wealth managers and traces its origins back to 1762.” Source: RevenueBase Database · checked Sep 20, 2026
3	Schroders Personal Wealth	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	501-1,000	721 contacts →
	Indirect evidence “We are now Lloyds Wealth.” Source: RevenueBase Database · checked Sep 20, 2026
4	Quilter Cheviot	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	501-1,000	606 contacts →
	Strong evidence “Whether you want to grow your wealth, generate an income, or leave a legacy to your loved ones, it pays to have a trusted Investment Manager by your side.” Source: RevenueBase Database · checked Sep 20, 2026
5	Chase DE Vere	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	201-500	589 contacts →
	Indirect evidence “At Chase de Vere, we believe the only worthwhile advice is independent advice.” Source: RevenueBase Database · checked Sep 20, 2026
6	Privet Capital LLP	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	n/a	469 contacts →
	Indirect evidence “We identify the hidden value in companies that are often in challenging or complex situations, but have a strong core offering.” Source: RevenueBase Database · checked Sep 20, 2026
7	7im	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	201-500	403 contacts →
	Strong evidence “Seven Investment Management (7IM) is an investment management business that helps individuals, their families and advisers to manage their capital to meet their financial needs…” Source: RevenueBase Database · checked Sep 20, 2026
8	Atomos Wealth	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	201-500	346 contacts →
	Indirect evidence “We’re atomos and we’re here to make your dreams and financial ambitions a reality.” Source: RevenueBase Database · checked Sep 20, 2026
9	3i Group PLC	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	201-500	337 contacts →
	Strong evidence “3i is a leading international investment company with two complementary businesses, Private Equity and Infrastructure, specialising in core investment markets in northern Europe…” Source: RevenueBase Database · checked Sep 20, 2026
10	Octopus Investments	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	201-500	313 contacts →
	Strong evidence “Octopus Investments, part of the Octopus Group, is an investment company investing in the people, ideas and industries that will change the world.” Source: RevenueBase Database · checked Sep 20, 2026
11	Epic Investment Partners	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	201-500	301 contacts →
	Strong evidence “EPIC Investment Partners is an independent investment, administration and advisory firm.” Source: RevenueBase Database · checked Sep 20, 2026
12	Fisher Investments UK	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	51-200	244 contacts →
	Strong evidence “Fisher Investments UK is a private investment advice and management company, offering the discretionary investment management services of our US-based parent company, Fisher…” Source: RevenueBase Database · checked Sep 20, 2026
13	Fisher Investments Europe Limited	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	201-500	231 contacts →
	Strong evidence “Fisher Investments Europe Limited, which trades as Fisher Investments UK, is authorised and regulated by the UK Financial Conduct Authority (FCA Number 191609) and is registered…” Source: RevenueBase Database · checked Sep 20, 2026
14	Kotak Mahindra UK LTD	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	10001+	221 contacts →
	Strong evidence “The international subsidiaries of Kotak manage a wide range of India investment funds through which overseas investors can invest in India.” Source: RevenueBase Database · checked Sep 20, 2026
15	WH Ireland	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	51-200	198 contacts →
	Strong evidence “WH Ireland is a financial services company offering Complete Wealth Management, Investment Management and Financial Planning.” Source: RevenueBase Database · checked Sep 20, 2026
16	Handelsbanken Wealth & Asset Management	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	51-200	192 contacts →
	Strong evidence “Handelsbanken Wealth & Asset Management (Handelsbanken Wealth) is the wealth and investment management arm of Handelsbanken in the UK.” Source: RevenueBase Database · checked Sep 20, 2026
17	T. Rowe Price UK	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	5,001-10,000	191 contacts →
	Indirect evidence “T.” Source: RevenueBase Database · checked Sep 20, 2026
18	Singer Capital Markets	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	51-200	129 contacts →
	Strong evidence “Singer Capital Markets is a leading Investment Bank dedicated to supporting ambitious UK growth companies.” Source: RevenueBase Database · checked Sep 20, 2026
19	Cain International	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	51-200	98 contacts →
	Strong evidence “Cain International ('Cain') is a privately held investment firm focused on real estate and business opportunities that shape the fabric of global gateway cities.” Source: RevenueBase Database · checked Sep 20, 2026
20	Columbia Threadneedle Investments Emea Apac	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	1,001-5,000	96 contacts →
	Strong evidence “At Columbia Threadneedle Investments, we invest to make a difference in your world, and the wider world.” Source: RevenueBase Database · checked Sep 20, 2026
21	Cross Ocean Partners	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	11-50	85 contacts →
	Strong evidence “Cross Ocean Partners focuses on credit investments in a broad range of asset classes, including corporate loans and bonds, hard assets, commercial real estate, liquidations and…” Source: RevenueBase Database · checked Sep 20, 2026
22	DMGT	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	1,001-5,000	83 contacts →
	Indirect evidence “DMGT manages a portfolio of companies that provide businesses and consumers with compelling information, analysis, insight, events, news and entertainment.” Source: RevenueBase Database · checked Sep 20, 2026
23	Puma Investments	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	51-200	82 contacts →
	Strong evidence “Puma Investments offers a wide range of award-winning investments across private equity, property finance and quoted equities that help to support investors, growing SMEs and…” Source: RevenueBase Database · checked Sep 20, 2026
24	LMS Capital PLC	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	n/a	82 contacts →
	Strong evidence “LMS Capital plc is a fully listed investment company.” Source: RevenueBase Database · checked Sep 20, 2026
25	Guinness Global Investors	Strong evidence	London, United KingdomHQ checked Sep 20, 2026	51-200	75 contacts →
	Strong evidence “Guinness is independent and focused purely on investment management.” Source: RevenueBase Database · checked Sep 20, 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 companies. 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 companies.
Partial evidence: Its own public description names part of investment companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name investment companies. 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 932 investment companies based in London, United Kingdom

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Investment companies based in London, United Kingdom at a glance

As of Sep 20, 2026

43.2%Verified-email coverage

30.9Average contacts per company

1-10Median size (employees)

100.0%Largest-city concentration · London

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

552

11-50

243

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 932 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 companies, 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 companies”. 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 companies), 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 companies, 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, 12,430 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 20, 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.

Investment companies 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 investment companies, 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 companies are there based in London, United Kingdom?

RevenueBase identified 932 investment companies 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?

Janus Henderson Investors, headquartered in London, tops this list with the largest team on record.

Which city has the most investment companies?

London leads with 932 headquartered companies, followed by Edinburgh (28) and Manchester (26).

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 12,430 verified decision-maker contacts tracked across these 932 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 20, 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.