Company lists · Data refreshed September 2026
Top 25 Environmental services companies based in the United Kingdom
RevenueBase identified 1,333 environmental services companies headquartered in the United Kingdom as of September 2026 and tracks 22,916 professional contacts across them, including 5,547 with verified work emails. London is the largest hub.
This list covers environmental services companies headquartered in the 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 19, 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 environmental services companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,823 contacts → | ||||
Strong evidence “Veolia UK provides solutions for ecological transformation which means reconciling human progress with environmental protection.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,521 contacts → | ||||
Indirect evidence “We have moved following our merger with OCS, please follow us at @OCS-Group for up to date news and stories.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,255 contacts → | ||||
Strong evidence “RSK Group is a global leader in the delivery of environmental and engineering solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,247 contacts → | ||||
Strong evidence “We are the World’s leading provider of chemical cleaning & environmental solutions offering a wide range of solutions to address the needs of our diverse customer base.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,180 contacts → | ||||
Indirect evidence “We are the people who bring you experts who are committed to enhancing spaces to enrich lives.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 398 contacts → | ||||
Strong evidence “Adler and Allan provides environmental and energy infrastructure services to reduce the risk of pollution, operational downtime, profit loss and reputation damage.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 347 contacts → | ||||
Strong evidence “Valpak, a Reconomy brand, is an EcoVadis Platinum certified leader in environmental compliance, recycling, and sustainability solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 274 contacts → | ||||
Indirect evidence “Andron is a third-generation family business with over 45 years of experience in commercial cleaning and soft facilities management.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 272 contacts → | ||||
Strong evidence “With a focus on excellence, innovation and assurance, we are one of the UK’s leading cleaning and environmental service providers.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 254 contacts → | ||||
Strong evidence “Founded in we are one of London’s and Southeast's leading providers of environmental and waste management services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 252 contacts → | ||||
Indirect evidence “HotelCare is the country’s leading hotel support services company, providing the hospitality industry with top rated services and staff from Room Attendants to Executive…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 204 contacts → | ||||
Indirect evidence “Floorbrite is one of the leading commercial cleaning and facilities service providers in the UK, providing daily, industrial and window cleaning services to all sectors of…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 181 contacts → | ||||
Strong evidence “At Nviro, we create clean, hygienic and safe environments for building users to thrive in.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 165 contacts → | ||||
Indirect evidence “Rock Compliance is a progressive company in the Water, Air and Asbestos compliance markets.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 156 contacts → | ||||
Strong evidence “Aqua Consultants provide tailored environmental consultancy to broaden your thinking, lead transformation, and achieve successful outcomes.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 147 contacts → | ||||
Indirect evidence “RED Industries is a leading provider of waste management services throughout the country.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 140 contacts → | ||||
Indirect evidence “Here at Thalia Waste Management, we see waste differently.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 136 contacts → | ||||
Indirect evidence “Providing quality cleaning solutions for over 55 years We are proud to be one of the largest independent cleaning companies in the North of England with an ever-growing…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 120 contacts → | ||||
Indirect evidence “The year 2023 marks 35 years since Total Clean was established.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 105 contacts → | ||||
Indirect evidence “GreenZone is a commercial cleaning company like no other; we aim to challenge all industry preconceptions and deliver the cleanest and most service focused customer experience…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 98 contacts → | ||||
Indirect evidence “Future Industrial Services Limited has since offered a range of Waste Management and specialised Industrial Services to meet the requirement of Government Agencies, Local…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 90 contacts → | ||||
Indirect evidence “Established in 1982 and with over 35 years of trading experience, Glen Group has become one of the largest privately owned facility services companies in the UK.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 88 contacts → | ||||
Strong evidence “ERG is a specialist environmental engineering contractor.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 88 contacts → | ||||
Indirect evidence “KGB Cleaning & Support Services has been providing cleaning and associated services for more than 20 years within the commercial, public, local government and educational sectors.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 87 contacts → | ||||
Indirect evidence “Kingdom Cleaning is one of the leading suppliers of contract cleaning and associated soft services.” Source: RevenueBase Database · checked Sep 19, 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: environmental services 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 environmental services companies.
- Partial evidence
- Its own public description names part of environmental services companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name environmental services 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 1,333 environmental services companies based in the United Kingdom
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Environmental services companies based in the United Kingdom at a glance
As of Sep 19, 2026Companies by employee count
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 1,333 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 environmental services 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 the United Kingdom whose own description of what they do matches “environmental services 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 environmental services 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 environmental services companies, and records with no verified work email. Companies headquartered outside United Kingdom 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, 5,547 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 19, 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.
Environmental services companies by metro
- Environmental services companies in London155
- Environmental services companies in Manchester26
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 environmental services 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 environmental services companies are there based in the United Kingdom?
RevenueBase identified 1,333 environmental services companies headquartered in the 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?
Veolia UK, headquartered in London, tops this list with the largest team on record.
Which city has the most environmental services companies?
London leads with 155 headquartered companies, followed by Manchester (26) and Birmingham (23).
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 5,547 verified decision-maker contacts tracked across these 1,333 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 19, 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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