Company lists · Data refreshed September 2026

Top 25 Cooling water treatment companies based in the United Kingdom

RevenueBase identified 146 company matches for cooling water treatment companies associated with the United Kingdom as of September 2026 and tracks 2,116 professional contacts across them, including 1,065 with verified work emails. London is the largest hub.

This list covers company matches for cooling water 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 19, 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 19, 2026 How this list was built
146Companies
2,116Contacts tracked
1,065Verified emails
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The 25 largest cooling water treatment companies based in the United Kingdom

Ranked by team size
Top 25 of 146 company matches for cooling water treatment companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchInverness Highlands, United KingdomHQ recorded Sep 19, 2026501-1,000498 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 19, 2026 · View company records in RevenueBase
2Exact matchDereham, United KingdomHQ recorded Sep 19, 2026501-1,000231 contacts →

Exact match

“Culligan UK delivers innovative, high-quality water solutions to homes and businesses across the United Kingdom.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchStonehouse, United KingdomHQ recorded Sep 19, 2026201-500129 contacts →

Exact match

“ADEY is working towards a future where every heating and cooling system is protected from corrosion; saving money, energy and time across the globe.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchRochdale, United KingdomHQ recorded Sep 19, 202651-20080 contacts →

Exact match

“Salt Separation Services Limited is an independent water treatment company specialising in the design, manufacture, installation and commissioning of water treatment systems.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchMoreton, United KingdomHQ recorded Sep 19, 202651-20079 contacts →

Exact match

“Feedwater Ltd is a UK Water Treatment Company, established in 1976 specifically to supply products and services for the treatment of water for steam boilers, cooling towers…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchAlfreton, United KingdomHQ recorded Sep 19, 2026201-50075 contacts →

Exact match

“Envirogen Group is a global leader in industrial water treatment and process filtration solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchMonmouth, United KingdomHQ recorded Sep 19, 202651-20075 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 19, 2026 · View company records in RevenueBase
8Exact matchWarrington, United KingdomHQ recorded Sep 19, 202651-20052 contacts →

Exact match

“Welcome to Advanced Water Technologies: A dedicated water treatment & hygiene specialists focused on providing optimum solutions across a vast array of services, chemicals…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchBlaenavon, United KingdomHQ recorded Sep 19, 202651-20040 contacts →

Exact match

“Water Treatment Products Ltd, established in formulate and manufacture speciality chemicals for a wide range of water treatment companies and applications.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchM32 0tb, United KingdomHQ recorded Sep 19, 202651-20038 contacts →

Exact match

“BWA is a technology-led specialty chemicals company who provides sustainable water management solutions to increase our customers’ competitive advantage.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchPerth, United KingdomHQ recorded Sep 19, 202611-5029 contacts →

Exact match

“EPSCO delivers the highest standards in water system cleanliness and performance, specialising in Offshore and Marine potable water, Industrial Cooling and Water Utilities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchColchester, United KingdomHQ recorded Sep 19, 202651-20026 contacts →

Exact match

“Lubron Water Technology UK is part of the European Market leading water treatment provider, Lubron Group, which has subsidiaries in the Netherlands, Germany and Belgium.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchWolverhampton, United KingdomHQ recorded Sep 19, 2026n/a25 contacts →

Exact match

“Water treatment is an important part of preventative maintenance programmes for boiler, cooling and process water systems.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchBicester, United KingdomHQ recorded Sep 19, 202611-5022 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 19, 2026 · View company records in RevenueBase
15Exact matchCastleford, United KingdomHQ recorded Sep 19, 202611-5021 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 19, 2026 · View company records in RevenueBase
16Exact matchSouthampton, United KingdomHQ recorded Sep 19, 20261-1020 contacts →

Exact match

“Dynamika is an established water treatment and environmental consultancy which provide services to the industrial, commercial, leisure and healthcare sectors throughout the UK.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchColchester, United KingdomHQ recorded Sep 19, 202611-5014 contacts →

Exact match

“Comfort Services Group Ltd is a Water treatment, Water Hygiene, Validation and Commissioning of air and water systems company based in Essex serving London and the South East.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchNottingham, United KingdomHQ recorded Sep 19, 202611-5012 contacts →

Exact match

“The development of HydroFLOW began in 1992, when Dr.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchNewcastle-under-lyme, United KingdomHQ recorded Sep 19, 202611-5012 contacts →

Exact match

“Barrett Industrial Cooling provides specialist cooling tower services for industrial, commercial and critical infrastructure sites across the UK and worldwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchWallington, United KingdomHQ recorded Sep 19, 202611-5011 contacts →

Exact match

“IWTM-UK enjoy over 30 years experience as a market leading manufacturer of chemical-free solutions for the treatment, management and control of water for technical purposes.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchWolverhampton, United KingdomHQ recorded Sep 19, 202611-5011 contacts →

Exact match

“Industry Leader In Legionella Control & Water Treatment Water Treatment Services Aquatech water treatment services cover all stages of water treatment from pretreatment through to…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchGlasgow, United KingdomHQ recorded Sep 19, 202611-5010 contacts →

Exact match

“Therma-Chem specialise in the manufacture, production and application of unique, environmentally friendly, chemical technology products.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchBelfast, United KingdomHQ recorded Sep 19, 202611-5010 contacts →

Exact match

“Chemical Treatment Services Ltd are a Belfast based water treatment company offering competitively priced chemicals and equipment with a prompt and efficient service.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchNewry, United KingdomHQ recorded Sep 19, 202611-5010 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 19, 2026 · View company records in RevenueBase
25Exact matchLedbury, United KingdomHQ recorded Sep 19, 202611-509 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 19, 2026 · View company records in RevenueBase

Showing 25 of 146 cooling water treatment companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,065 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cooling water treatment companies based in the United Kingdom at a glance

As of Sep 19, 2026
50.3%Verified-email coverage
14.5Average contacts per company
1-10Median size (employees)
3.4%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
78
11-50
45
51-200
14
201-500
3
501-1,000
2
10001+
2

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 146 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 “cooling water 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 1,065 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 19, 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 “cooling water treatment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cooling water treatment companies are there based in the United Kingdom?

RevenueBase identified 146 company matches for cooling water 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 cooling water treatment companies?

London leads with 5 company records, followed by Bristol (4) and Nottingham (4).

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 1,065 professional contacts with verified work emails tracked across these 146 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 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 146 cooling water treatment companies based in the United Kingdom. Start with a free account, no credit card.

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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.