Company lists · Data refreshed November 2026

Top 24 Sustainability certification services based in the United Kingdom

Name: Sustainability certification services based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 404 companies tracked

RevenueBase identified 404 company matches for sustainability certification services associated with the United Kingdom as of November 2026 and tracks 65,855 professional contacts across them, including 22,680 with verified work emails. London is the largest hub.

This list covers company matches for sustainability certification services 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 November 6, 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 Nov 6, 2026 How this list was built

404Companies

65,855Contacts tracked

22,680Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 24 largest sustainability certification services based in the United Kingdom

Ranked by team size

Top 24 of 404 company matches for sustainability certification services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Bureau Veritas	Exact match	Paris, United KingdomHQ recorded Nov 6, 2026	10001+	50,489 contacts →
	Exact match “Bureau Veritas is a world leader in Testing, Inspection and Certification.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	ERM	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	9,761 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Soil Association	Exact match	Bristol, United KingdomHQ recorded Nov 6, 2026	201-500	382 contacts →
	Exact match “Soil Association is an environmental charity and Soil Association Certification is a leading organic certifier.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Amtivo Group	Exact match	West Malling, United KingdomHQ recorded Nov 6, 2026	201-500	158 contacts →
	Exact match “Amtivo Group provides expert certification services for ISO standards, as well as training and related services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Stroma Certification	Exact match	Wakefield, United KingdomHQ recorded Nov 6, 2026	201-500	135 contacts →
	Exact match “Elmhurst Energy and Stroma Certification have merged.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	ERM CVS	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	106 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 · Nov 6, 2026 · View company records in RevenueBase
7	APM Group	Exact match	High Wycombe, United KingdomHQ recorded Nov 6, 2026	51-200	95 contacts →
	Exact match “We are a global leader for best practice solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	AES Sustainability Consultants	Exact match	Tiverton, United KingdomHQ recorded Nov 6, 2026	51-200	84 contacts →
	Exact match “AES Sustainability Consultants is a leading technical consultancy that delivers value engineered solutions across the homebuilding and construction industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	FLAG	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	73 contacts →
	Exact match “We’re a global corporate reporting, communications and sustainability agency helping world leading brands deliver ambitious strategies, credible disclosures and meaningful…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Planet Mark	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	68 contacts →
	Exact match “Planet Mark is a sustainability certification and net zero provider for organisations and the built environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Action Sustainability	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	63 contacts →
	Exact match “Recognised for its commitment to employees with a sought-after Best Companies “One To Watch” industry standard, Action Sustainability offers a 3-in-1 solution through…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	International Associates Limited	Exact match	Glasgow, United KingdomHQ recorded Nov 6, 2026	51-200	55 contacts →
	Exact match “International Associates (IA) is a leading provider of assessment, audit, verification, certification and training services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Energise B Corp	Exact match	St Neots, United KingdomHQ recorded Nov 6, 2026	11-50	39 contacts →
	Exact match “We're Energise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Eight Versa	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	38 contacts →
	Exact match “At Eight Versa, we deliver a new direction for a balanced future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Kite Insights	Exact match	London, United KingdomHQ recorded Nov 6, 2026	11-50	37 contacts →
	Exact match “Kite Insights empowers businesses and people to integrate sustainability into the fabric of your organisations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	SCS Sustainable Construction Services	Exact match	Bristol, United KingdomHQ recorded Nov 6, 2026	11-50	35 contacts →
	Exact match “We believe that if you understand your environmental targets, you will have a better understanding of their real-world impacts.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Metsims Sustainability Consulting	Exact match	Oxford, United KingdomHQ recorded Nov 6, 2026	11-50	31 contacts →
	Exact match “Based in Oxford, UK and in Istanbul, Turkey, Metsims is the leading sustainability consultancy specialised in life cycle assessment (LCA), corporate and product carbon footprint…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Envance	Exact match	Stockport, United KingdomHQ recorded Nov 6, 2026	11-50	30 contacts →
	Exact match “We believe that a better future for people and the planet doesn't have to be at the expense of success in the present.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	WRM	Exact match	Otley, United KingdomHQ recorded Nov 6, 2026	11-50	30 contacts →
	Exact match “Our world faces unprecedented environmental challenges - from climate change, to biodiversity loss, pollution, and unsustainable resource use.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Green Easy	Exact match	London, United KingdomHQ recorded Nov 6, 2026	11-50	30 contacts →
	Exact match “If you're looking for sustainability consultancy, look no further!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	TBL	Exact match	Lancaster, United KingdomHQ recorded Nov 6, 2026	11-50	28 contacts →
	Exact match “TBL is the sustainability advisory service that helps businesses balance people, planet and profit – the triple bottom line.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	SB CO	Exact match	London, United KingdomHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
23	Sintali	Exact match	London, United KingdomHQ recorded Nov 6, 2026	11-50	27 contacts →
	Exact match “Sintali is a global sustainability certification company, helping organisations create a more sustainable built environment with confidence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Renewable Energy Assurance LTD	Exact match	London, United KingdomHQ recorded Nov 6, 2026	11-50	26 contacts →
	Exact match “Renewable Energy Assurance Ltd (REAL) carries out a range of certification and consumer protection activities to promote renewable energy and the circular economy.” Recorded in the RevenueBase company graph · Nov 6, 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 “sustainability certification services”. 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 24 of 404 sustainability certification services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 22,680 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Sustainability certification services based in the United Kingdom at a glance

As of Nov 6, 2026

34.4%Verified-email coverage

163.0Average contacts per company

1-10Median size (employees)

35.6%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

282

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 404 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 “sustainability certification services” 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 22,680 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 November 6, 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.

Sustainability certification services by metro

Sustainability certification services in London144

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 “sustainability certification services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainability certification services are there based in the United Kingdom?

RevenueBase identified 404 company matches for sustainability certification services associated with the United Kingdom as of November 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?

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

Which city has the most sustainability certification services?

London leads with 144 company records, followed by Manchester (12) and Bristol (9).

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 22,680 professional contacts with verified work emails tracked across these 404 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 404 sustainability certification services based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Sustainability certification services by geography

Browse the directory

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.