Company lists · Data refreshed September 2026

Top 25 Esg focused investment firms based in the United Kingdom

RevenueBase identified 207 company matches for esg focused investment firms associated with the United Kingdom as of September 2026 and tracks 8,483 professional contacts across them, including 2,891 with verified work emails and 598 with mobile numbers. London is the largest hub.

This list covers company matches for esg focused investment 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 2, 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 2, 2026 How this list was built
207Companies
8,483Contacts tracked
2,891Verified emails
598Mobile numbers
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The 25 largest esg focused investment firms based in the United Kingdom

Ranked by team size
Top 25 of 207 company matches for esg focused investment firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 2, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United Kingdom1,001-5,000949 contacts →

Exact match

“Morningstar Sustainalytics data and insights allow investors and companies to spend less time grappling with ESG and climate, and more time making the most of it.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
2Exact matchLondon, United Kingdom501-1,000641 contacts →

Exact match

“The La Française group offers conviction-based management that combines performance targets and sustainability objectives across all asset classes.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
3Exact matchLondon, United Kingdom501-1,000456 contacts →

Exact match

“Federated Hermes is guided by the conviction that responsible investing is the best way to create long-term wealth.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
4Exact matchLondon, United Kingdom201-500319 contacts →

Exact match

“Mirova is a global asset management company dedicated to sustainable investing and an affiliate of Natixis Investment Managers.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
5Exact matchWitney, United Kingdom201-500223 contacts →

Exact match

“Gresham House is a specialist investor focused on delivering financial returns for clients by investing in the global themes shaping our future.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
6Exact matchLondon, United Kingdom5,001-10,000189 contacts →

Exact match

“T.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
7Exact matchLondon, United Kingdom51-200159 contacts →

Exact match

“Finding and growing businesses that make the world work.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
8Exact matchLondon, United Kingdom51-200155 contacts →

Exact match

“Overview Generation was established in 2004 as an independent, private, investment management partnership with offices in London and San Francisco.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
9Exact matchPlymouth, United Kingdom51-200110 contacts →

Exact match

“We are an award-winning National Independent Financial Advice firm that offers a modern financial advice service.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
10Exact matchLondon, United Kingdom1,001-5,00099 contacts →

Exact match

“At Columbia Threadneedle Investments, we invest to make a difference in your world, and the wider world.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
11Exact matchLondon, United Kingdom51-20098 contacts →

Exact match

“Our mission is to positively impact businesses today, for a sustainable tomorrow.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
12Exact matchLondon, United Kingdom201-50094 contacts →

Exact match

“Waverton is an award-winning investment management house dedicated to creating high-quality investment solutions and providing bespoke, personal service for private clients…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
13Exact matchLondon, United Kingdom1,001-5,00089 contacts →

Exact match

“We are aware that a small number of investors have been targeted by fraudsters using the LGIM and L&G brands to promote fake funds and investment products.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
14Exact matchLondon, United Kingdom51-20080 contacts →

Exact match

“Founded in 2005 by Nicolai Tangen, AKO Capital is one of Europe’s leading investment partnerships, managing over $20bn across European and Global equity funds.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
15Exact matchCity Of London, United Kingdom51-20079 contacts →

Exact match

“ARGA Investment Management brings experience and discipline to global equity investing.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
16Exact matchLondon, United Kingdom51-20075 contacts →

Exact match

“Guinness is independent and focused purely on investment management.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
17Exact matchLondon, United Kingdom51-20065 contacts →

Exact match

“EdenTree is a sustainable investment manager with a strong heritage.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
18Exact matchLondon, United Kingdom51-20062 contacts →

Exact match

“River Global Investors is an investment management company offering a range of UK, European, Indian and Global strategies.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
19Exact matchLondon, United Kingdom11-5052 contacts →

Exact match

“Heptagon Capital, founded in 2005, is a leading provider of specialised asset management services and investment solutions to Institutional Investors, Family Offices and Ultra…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
20Exact matchLondon, United Kingdom11-5051 contacts →

Exact match

“The Ecofin team at Redwheel manages a range of global equity thematic strategies with the aim of delivering strong risk-adjusted returns to clients while tackling some of the…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
21Exact matchManchester Manchester, United Kingdom51-20046 contacts →

Exact match

“We're Castlefield - an award-winning, employee-owned investment management and financial planning group, recognised for being at the forefront of ethical investing since 2002.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
22Exact matchLondon, United Kingdom51-20046 contacts →

Exact match

“Tailored investment services, delivered sustainably.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
23Exact matchLondon, United Kingdom51-20043 contacts →

Exact match

“At Gravis we believe in a long-term approach to investment.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
24Exact matchLondon, United Kingdom11-5042 contacts →

Exact match

“Our aim is to protect investors’ capital and increase its value over the long-term.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
25Exact matchLondon, United Kingdom11-5041 contacts →

Exact match

“Finance Earth (formerly Environmental Finance) is a leading environmental impact investment advisor and fund manager, working across the conservation, natural and built asset…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase

Showing 25 of 207 esg focused investment firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 2,891 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Esg focused investment firms based in the United Kingdom at a glance

As of Sep 2, 2026
34.1%Verified-email coverage
7.0%Mobile-number coverage
41.0Average contacts per company
1-10Median size (employees)
69.6%Largest-city concentration · London
Sep 2, 2026Page data refreshed

Companies by employee count

1-10
108
11-50
59
51-200
18
201-500
9
501-1,000
3
1,001-5,000
4
5,001-10,000
2

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 “esg focused investment 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 2,891 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 2, 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.

Esg focused investment firms by metro

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

How many esg focused investment firms are there based in the United Kingdom?

RevenueBase identified 207 company matches for esg focused investment 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?

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

Which city has the most esg focused investment firms?

London leads with 144 company records, followed by Edinburgh (7) and London London (3).

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 2,891 professional contacts with verified work emails tracked across these 207 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 2, 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.