Company lists · Data refreshed October 2026

Top 25 Non-chemical water conditioning & treatment services based in the United Kingdom

RevenueBase identified 162 company matches for non-chemical water conditioning & treatment services associated with the United Kingdom as of October 2026 and tracks 1,453 professional contacts across them, including 597 with verified work emails. London is the largest hub.

This list covers company matches for non-chemical water conditioning & treatment 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 October 28, 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 Oct 28, 2026 How this list was built
162Companies
1,453Contacts tracked
597Verified emails
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The 25 largest non-chemical water conditioning & treatment services based in the United Kingdom

Ranked by team size
Top 25 of 162 company matches for non-chemical water conditioning & treatment services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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 Oct 28, 2026501-1,000291 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 · Oct 28, 2026 · View company records in RevenueBase
2Exact matchMoreton, United KingdomHQ recorded Oct 28, 202651-20084 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 · Oct 28, 2026 · View company records in RevenueBase
3Exact matchMonmouth, United KingdomHQ recorded Oct 28, 202651-20083 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 · Oct 28, 2026 · View company records in RevenueBase
4Exact matchBlaenavon, United KingdomHQ recorded Oct 28, 202651-20043 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 · Oct 28, 2026 · View company records in RevenueBase
5Exact matchRedhill, United KingdomHQ recorded Oct 28, 202611-5032 contacts →

Exact match

“Reigate Environmental Services Limited is a Water Treatment and Maintenance company based at 42 Ormside Way, Holmethorpe Industrial Estate, Redhill, Surrey, United Kingdom.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6Exact matchColchester, United KingdomHQ recorded Oct 28, 202651-20030 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 · Oct 28, 2026 · View company records in RevenueBase
7Exact matchDiss, United KingdomHQ recorded Oct 28, 202611-5027 contacts →

Exact match

“Monarch is a leading UK manufacturer and distributor of high quality, high performance water softeners, water conditioners, scale inhibitors, water filters and purifiers, taps and…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8Exact matchBicester, United KingdomHQ recorded Oct 28, 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 · Oct 28, 2026 · View company records in RevenueBase
9Exact matchCastleford, United KingdomHQ recorded Oct 28, 202611-5022 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 · Oct 28, 2026 · View company records in RevenueBase
10Exact matchSouthampton, United KingdomHQ recorded Oct 28, 20261-1021 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 · Oct 28, 2026 · View company records in RevenueBase
11Exact matchWarrington, United KingdomHQ recorded Oct 28, 202611-5017 contacts →

Exact match

“Endo Enterprises are a privately owned company based in Gemini Business Park, Warrington.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12Exact matchWolverhampton, United KingdomHQ recorded Oct 28, 20261,001-5,00017 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 · Oct 28, 2026 · View company records in RevenueBase
13Exact matchWolverhampton, United KingdomHQ recorded Oct 28, 202611-5014 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 · Oct 28, 2026 · View company records in RevenueBase
14Exact matchNottingham, United KingdomHQ recorded Oct 28, 202611-5013 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15Exact matchWallington, United KingdomHQ recorded Oct 28, 202611-5012 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 · Oct 28, 2026 · View company records in RevenueBase
16Exact matchDaventry, United KingdomHQ recorded Oct 28, 202611-5012 contacts →

Exact match

“B&V Chemicals offer water treatment companies worldwide the opportunity to expand their product range and receive industry leading technical back-up.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17Exact matchWellingborough, United KingdomHQ recorded Oct 28, 202611-5011 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 · Oct 28, 2026 · View company records in RevenueBase
18Exact matchBirmingham Business Park, United KingdomHQ recorded Oct 28, 2026201-50011 contacts →

Exact match

“Spirotech UK is a leading expert in system water quality, helping heating and cooling systems perform at their best across residential, commercial, and industrial environments.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19Exact matchDorchester, United KingdomHQ recorded Oct 28, 202611-5011 contacts →

Exact match

“Welcome to the world's leading manufacturer of water conditioners for limescale treatment.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20Exact matchBelfast, United KingdomHQ recorded Oct 28, 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 · Oct 28, 2026 · View company records in RevenueBase
21Exact matchLutterworth, United KingdomHQ recorded Oct 28, 202611-5010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22Exact matchCamberley, United KingdomHQ recorded Oct 28, 202611-509 contacts →

Exact match

“Our expertise spans the full spectrum of water treatment, including adherence to BSRIA codes and the application of CPC Filtration methodology.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23Exact matchDenton, United KingdomHQ recorded Oct 28, 202611-509 contacts →

Exact match

“BrightWater Environmental Ltd is a UK designer & manufacturer of chemical free water treatment technologies.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24Exact matchLedbury, United KingdomHQ recorded Oct 28, 202611-508 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 · Oct 28, 2026 · View company records in RevenueBase
25Exact matchEpsom, United KingdomHQ recorded Oct 28, 202611-508 contacts →

Exact match

“Howlett Associates offers a comprehensive range of services including; Legionella Risk Assessment and Legionella Compliance Tasks, Cooling Tower and Steam Boiler Water Treatment…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

Showing 25 of 162 non-chemical water conditioning & treatment services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 597 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Non-chemical water conditioning & treatment services based in the United Kingdom at a glance

As of Oct 28, 2026
41.1%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
3.7%Largest-city concentration · London
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
90
11-50
52
51-200
9
201-500
3
501-1,000
2
1,001-5,000
1
10001+
1

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 162 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 “non-chemical water conditioning & treatment 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 597 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 October 28, 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 “non-chemical water conditioning & treatment services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many non-chemical water conditioning & treatment services are there based in the United Kingdom?

RevenueBase identified 162 company matches for non-chemical water conditioning & treatment services associated with the United Kingdom as of October 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 non-chemical water conditioning & treatment services?

London leads with 6 company records, followed by Belfast (4) and Bristol (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 597 professional contacts with verified work emails tracked across these 162 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 October 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 162 non-chemical water conditioning & treatment services 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.