Company lists · Data refreshed September 2026

Top 25 Esg compliance consulting firms based in London, United Kingdom

Name: Esg compliance consulting 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 248 companies tracked

RevenueBase identified 248 company matches for esg compliance consulting firms associated with London, United Kingdom as of September 2026 and tracks 1,589 professional contacts across them, including 627 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for esg compliance consulting 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

248Companies

1,589Contacts tracked

627Verified emails

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The 25 largest esg compliance consulting firms based in London, United Kingdom

Ranked by team size

Top 25 of 248 company matches for esg compliance consulting 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	Holtara An Apex Group Company	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	100 contacts →
	Exact match “Our mission is to positively impact businesses today, for a sustainable tomorrow.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	ERM CVS	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	100 contacts →
	Exact match “ERM CVS provides science-based, independent assurance, verification certification and training services for the world’s leading organizations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Hudson Sandler	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	67 contacts →
	Exact match “We are an independent strategic communications and ESG consultancy headquartered in London.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Eight Versa	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	42 contacts →
	Exact match “At Eight Versa, we deliver a new direction for a balanced future.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Earth Active LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	39 contacts →
	Exact match “Earth Active is an award-winning consultancy with a globally experienced team of bespoke ESG advisors and expert specialists that provide investment and risk due diligence in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	AIS Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	39 contacts →
	Exact match “Growing organisations don't outgrow spreadsheets overnight.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Lysis Group	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	38 contacts →
	Exact match “Since 2001, Lysis Group has established itself as a global leader in the field of Financial Crime (FC) compliance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Complyport	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	36 contacts →
	Exact match “Welcome to Complyport - member of ComplyMAP Group!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	RQC Group	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	34 contacts →
	Exact match “RQC Group is an industry-leading financial compliance consultancy with offices in London and New York, specialising in FCA, SEC and CFTC/NFA Compliance Consulting, Investment…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Robertsbridge	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	29 contacts →
	Exact match “Robertsbridge advises major companies as they navigate the increasingly complex intersection of sustainability, climate, nature, and geopolitics.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	SB CO	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	27 contacts →
	Exact match “SB+CO is a sustainability consultancy that advises companies on strategy, sustainability activation and integration, ESG, stakeholder engagement and communications – and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Translantic Development LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	26 contacts →
	Exact match “Translantic Development Limited (TDL) is a leading Environmental and Social Governance service provider, with a strong focus on Social Performance, helping development projects…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Avyse Partners	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match “Purpose led regulatory consultants specialising in financial crime prevention, conduct, compliance and ESG.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Pirc Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match “Pensions & Investment Research Consultants Ltd (PIRC) is Europe’s largest independent corporate governance and shareholder advisory consultancy with over 25 years experience in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Sancroft	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	23 contacts →
	Exact match “Sancroft is an award-winning sustainability consultancy based in London.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Kumi Consulting LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match “At Kumi we connect global raw material supply chains with responsible business practices in developing countries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Addidat	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “With our outsourced ESG service, Addidat makes ESG easy for UK growth companies and their investors, enabling businesses to thrive.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	ERM Previously ESC	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “This page has closed” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Trucost	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	19 contacts →
	Exact match “Trucost is part of S&P Global.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Esgmark	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	18 contacts →
	Exact match “ESGmark® helps organisations credibly demonstrate, measure, and improve their Environmental, Social, and Governance (ESG) performance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	KEY ESG	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “KEY ESG is the platform where sustainability teams and their business colleagues collect, validate, analyse, and report ESG data in one place and connect it to the decisions that…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Complycraft Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	14 contacts →
	Exact match “We are an independent (employee owned) compliance consultancy providing services to FCA regulated firms and to other compliance consultancies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Greenstone	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “At Greenstone, we provide award-winning software solutions and services enabling organisations to advance their sustainability strategies and become responsible businesses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	1rs- 1st Risk Solutions	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “1st Risk Solutions is a risk and compliance specialist firm providing pragmatic, effective solutions to enterprise risk management and regulatory requirements.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Corporate Citizenship-Part Of SLR	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	13 contacts →
	Exact match “We are now fully part of SLR and look forward to #MakingSustainabilityHappen for our clients and beyond.” 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 “esg compliance consulting 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 248 esg compliance consulting firms based in London, United Kingdom

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Esg compliance consulting firms based in London, United Kingdom at a glance

As of Sep 28, 2026

39.5%Verified-email coverage

6.4Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

179

11-50

51-200

201-500

501-1,000

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 248 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 “esg compliance consulting 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 627 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.

Esg compliance consulting firms by metro in the United Kingdom

Esg compliance consulting firms in Manchester25

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 compliance consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many esg compliance consulting firms are there based in London, United Kingdom?

RevenueBase identified 248 company matches for esg compliance consulting 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?

Holtara An Apex Group Company 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 esg compliance consulting firms?

London leads the United Kingdom with 248 company records, followed by Manchester (25) and Bristol (12).

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 627 professional contacts with verified work emails tracked across these 248 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.