Company lists · Data refreshed September 2026
Top 25 Sustainability reporting platforms based in London, United Kingdom
RevenueBase identified 200 sustainability reporting platforms headquartered in London, United Kingdom as of September 2026 and tracks 3,944 professional contacts across them, including 1,808 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers sustainability reporting platforms 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 29, 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.
The 25 largest sustainability reporting platforms based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 702 contacts → | ||||
Partial evidence “As the founder of environmental reporting, we believe in transparency and the power of data to drive change.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 620 contacts → | ||||
Partial evidence “EcoOnline delivers uncomplicated environment, health and safety (EHS), chemical management and ESG/sustainability technology solutions to forward-thinking leaders.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 427 contacts → | ||||
Partial evidence “Sedex is a global technology company that specialises in data, insights and professional services to empower supply chain sustainability.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 212 contacts → | ||||
Indirect evidence “ESG Book and EthiFinance have merged!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 148 contacts → | ||||
Partial evidence “EVORA is an award-winning global sustainability consultancy and software provider supporting real asset investors, owners, and operators.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 123 contacts → | ||||
Partial evidence “We are a new age technology driven company, providing comprehensive SaaS based ESG (Environmental, Social & Governance) solutions to address end to end sustainability needs of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 84 contacts → | ||||
Strong evidence “We're a global sustainability agency, providing strategy, communications and reporting support to the world’s leading brands.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 83 contacts → | ||||
Strong evidence “Altruistiq is a leading Sustainability Intelligence platform trusted by companies across the agriculture value chain.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 62 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 44 contacts → | ||||
Partial evidence “With its suite of solutions, Diginex Ltd unifies carbon accountability, ESG regulatory reporting, human rights due diligence, supply chain risk, worker voice, and ESG investor…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 42 contacts → | ||||
Partial evidence “CarbonChain's platform enables companies to track, report and reduce their supply chain emissions, covering the most carbon-intensive industries (metals and mining, agriculture…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 42 contacts → | ||||
Partial evidence “KarbonWise is a sustainability solutions company that helps businesses take climate action with confidence and clarity.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 40 contacts → | ||||
Partial evidence “Net Purpose is the platform for sustainable and impact investors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 35 contacts → | ||||
Strong evidence “World Wide Generation is a sustainability reporting fintech company, championing trusted data and measuring for impact, through ground-breaking tech solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 35 contacts → | ||||
Indirect evidence “Natcap is the world's leading nature intelligence provider, helping global companies measure, report, and act on nature and biodiversity risks and opportunities.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 33 contacts → | ||||
Indirect evidence “Ikano Insight helps businesses turn ambition into action.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 32 contacts → | ||||
Indirect evidence “Foodsteps is on a mission to empower the food industry to accelerate its journey to net zero.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 29 contacts → | ||||
Indirect evidence “Minimum is the leading carbon accounting software for enterprise companies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 24 contacts → | ||||
Strong evidence “We use the latest technologies to provide our clients with a full service of sustainability support - from source data through to client reporting.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 24 contacts → | ||||
Indirect evidence “We are trusted experts in carbon measurement and reduction, specialising in packaging and print manufacturing, media and logistics sectors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 23 contacts → | ||||
Partial evidence “Sancroft is an award-winning sustainability consultancy based in London.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 22 contacts → | ||||
Strong evidence “Rio is an AI-powered sustainability management platform helping global businesses and governmental organisations to understand and improve their environmental and social impact.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 21 contacts → | ||||
Partial evidence “The Icons is an international media platform headquartered in London, operating in English alongside Traditional Chinese, Simplified Chinese and several other languages.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 20 contacts → | ||||
Indirect evidence “Etoso is a British software company providing access to the largest source of verified ESG data.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 20 contacts → | ||||
Partial evidence “Your Net Zero Journey, Simplified on One Platform.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: sustainability reporting platforms. 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 sustainability reporting platforms.
- Partial evidence
- Its own public description names part of sustainability reporting platforms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name sustainability reporting platforms. 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 200 sustainability reporting platforms based in London, United Kingdom
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Sustainability reporting platforms based in London, United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
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 200 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 sustainability reporting platforms, 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 “sustainability reporting platforms”. 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 sustainability reporting platforms), 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 sustainability reporting platforms, 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, 1,808 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 29, 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.
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 sustainability reporting platforms, 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 sustainability reporting platforms are there based in London, United Kingdom?
RevenueBase identified 200 sustainability reporting platforms 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?
CDP, headquartered in London, tops this list with the largest team on record.
Which city in the United Kingdom has the most sustainability reporting platforms?
London leads the United Kingdom with 200 headquartered companies, followed by Manchester (10) and Edinburgh (7).
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 1,808 verified decision-maker contacts tracked across these 200 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 29, 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.
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