Company lists · Data refreshed September 2026

Top 25 Pharmaceutical wastewater treatment companies based in the United Kingdom

Name: Pharmaceutical wastewater treatment companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 109 companies tracked

RevenueBase identified 109 company matches for pharmaceutical wastewater treatment companies associated with the United Kingdom as of September 2026 and tracks 1,714 professional contacts across them, including 876 with verified work emails. London is the largest hub.

This list covers company matches for pharmaceutical wastewater treatment companies 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 17, 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 17, 2026 How this list was built

109Companies

1,714Contacts tracked

876Verified emails

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The 25 largest pharmaceutical wastewater treatment companies based in the United Kingdom

Ranked by team size

Top 25 of 109 company matches for pharmaceutical wastewater treatment companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	RSE	Exact match	Inverness Highlands, United KingdomHQ recorded Sep 17, 2026	501-1,000	498 contacts →
	Exact match “RSE is a trusted clean water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Envirogen Group	Exact match	Alfreton, United KingdomHQ recorded Sep 17, 2026	201-500	75 contacts →
	Exact match “Envirogen Group is a global leader in industrial water treatment and process filtration solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Siltbuster LTD	Exact match	Monmouth, United KingdomHQ recorded Sep 17, 2026	51-200	75 contacts →
	Exact match “At Siltbuster Ltd, we operate the UK’s largest rental fleet of water treatment systems, setting the industry benchmark for rapid, reliable, and cost-effective solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Jacopa Limited	Exact match	West Bromwich, United KingdomHQ recorded Sep 17, 2026	51-200	73 contacts →
	Exact match “Many of the best known, most respected and reliable brand names in the wastewater industry are part of Jacopa's heritage.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Atac Solutions LTD	Exact match	Maidstone, United KingdomHQ recorded Sep 17, 2026	11-50	44 contacts →
	Exact match “ATAC Solutions Ltd is a leading UK environmental services company specialising in wastewater services and wastewater equipment on a capital purchase or hire basis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Bluewater BIO	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	43 contacts →
	Exact match “Bluewater Bio is an award winning global leader in sustainable water and wastewater treatment.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Hydro Industries Limited	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	40 contacts →
	Exact match “Hydro Industries.generating clean water Clean Water is a limited natural resource essential for life and economic growth.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Wcsee Wastewater Marlowe Environmental Services	Exact match	Gloucester, United KingdomHQ recorded Sep 17, 2026	11-50	32 contacts →
	Exact match “At WCSEE we collaborate closely with our clients to design and deliver reliable, robust, and future-proofed wastewater systems tailored to site specific requirements.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Arvia Technology	Exact match	Runcorn, United KingdomHQ recorded Sep 17, 2026	11-50	32 contacts →
	Exact match “Tertiary water treatment specialist.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	TWC Total Water Care	Exact match	Bicester, United KingdomHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “Our core team have numerous years experience in the field of commercial water treatment and a proven track record of delivering effective, compliant water treatments packages.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	KEE	Exact match	Aylesbury, United KingdomHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match “KEE KEE is a globally recognised brand operating within in the industrial, commercial and domestic wastewater treatment industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Excel Water LTD	Exact match	Castleford, United KingdomHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “At Excel Water, we pride ourselves on our unwavering commitment to delivering exceptional water treatment and purification solutions tailored to the diverse needs of our clients.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Viltra	Exact match	Newry, United KingdomHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Viltra specialises in designing, manufacturing and installing wastewater treatment solutions for a wide range of sectors throughout the UK and Ireland, including domestic…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Aquabio LTD	Exact match	Worcester, United KingdomHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Aquabio is a pioneering company born with a passion for innovation combined with a strong ethos for environmental sustainability.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Bywater Services LTD	Exact match	Coalville, United KingdomHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Established in ByWater Services is a UK specialist in commercial water treatment, water recycling and wastewater management solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Ctech Europe LTD	Exact match	Neston, United KingdomHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Manufacturers of PolyClay® Wastewater Treatment Chemistry and Specialists in Industrial Wastewater Treatment and Sludge Dewatering - production and supply of industrial wastewater…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Plantwork Systems LTD	Exact match	Alton, United KingdomHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Plantwork Systems Ltd (PWS) provides water and wastewater treatment solutions with a strong focus on sustainability, innovation and cost efficiency.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Esmil Process Systems	Exact match	High Wycombe Bucks, United KingdomHQ recorded Sep 17, 2026	1-10	12 contacts →
	Exact match “ESMIL Process Systems is an award winning Construction company located in United Kingdom.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Adept Pure Water LTD	Exact match	Wellingborough, United KingdomHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “ADEPT Pure Water Limited are specialists in the design, manufacture, commission, installation and Service of Water Purification and Treatment Plant and equipment.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Evergreen Water Solutions LTD	Exact match	Hinckley, United KingdomHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Evergreen Water Solutions works closely with a number of international engineering companies whose expertise is in scalable wastewater treatment systems and containerised…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Water Tecnik LTD	Exact match	Newry, United KingdomHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Water Tecnik specialises in delivering practical, compliant, and cost-effective industrial wastewater and effluent treatment solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Puretec Separations	Exact match	Ledbury, United KingdomHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “PureTec Separations is a leader in technologies and customer experience within the water treatment and product processing industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Satec Service LTD	Exact match	Wokingham, United KingdomHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Providing comprehensive solutions to meet your clean water, industrial effluent & sewage treatment requirements.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Clinty Chemicals Limited	Exact match	Belfast, United KingdomHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Irelands longest serving water treatment chemical manufacturer, Clinty Chemicals manufactures and distributes best-in-class water remediation products.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Puretech Environmental LTD	Exact match	Cranleigh, United KingdomHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Puretech Environmental Waste Water Treatment Company are specialists in all Industrial Effluent Treatment Systems.” Recorded in the RevenueBase company graph · Sep 17, 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 “pharmaceutical wastewater treatment companies”. 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 109 pharmaceutical wastewater treatment companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 876 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pharmaceutical wastewater treatment companies based in the United Kingdom at a glance

As of Sep 17, 2026

51.1%Verified-email coverage

15.7Average contacts per company

11-50Median size (employees)

3.7%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 109 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 “pharmaceutical wastewater treatment companies” 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 876 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 17, 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.

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 “pharmaceutical wastewater treatment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pharmaceutical wastewater treatment companies are there based in the United Kingdom?

RevenueBase identified 109 company matches for pharmaceutical wastewater treatment companies 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?

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

Which city has the most pharmaceutical wastewater treatment companies?

London leads with 4 company records, followed by Newry (4) and Belfast (2).

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 876 professional contacts with verified work emails tracked across these 109 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 17, 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.