Company lists · Data refreshed September 2026
Top 25 Residential water treatment companies based in the United Kingdom
RevenueBase identified 179 company matches for residential water treatment companies associated with the United Kingdom as of September 2026 and tracks 2,186 professional contacts across them, including 957 with verified work emails. London is the largest hub.
This list covers company matches for residential 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 21, 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.
The 25 largest residential water treatment companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 21, 2026 · View company records in RevenueBase | |||||
| 2 | 231 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 21, 2026 · View company records in RevenueBase | |||||
| 3 | 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 21, 2026 · View company records in RevenueBase | |||||
| 4 | 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 21, 2026 · View company records in RevenueBase | |||||
| 5 | 53 contacts → | ||||
Exact match “In short, we’re 'easy to deal with'.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 50 contacts → | ||||
Exact match “Guardian part of Marlowe Environmental Services, delivers a range of water treatment and air quality services, allowing the systems that rely on these elements to work effectively…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 40 contacts → | ||||
Exact match “At Billi, we design and manufacture a range of energy efficient filtered water systems that offer our customers the very best in innovation, superior performance and reliability.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 40 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 21, 2026 · View company records in RevenueBase | |||||
| 9 | 26 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 21, 2026 · View company records in RevenueBase | |||||
| 10 | 25 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 21, 2026 · View company records in RevenueBase | |||||
| 11 | 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 21, 2026 · View company records in RevenueBase | |||||
| 12 | 22 contacts → | ||||
Exact match “ACWA Services Limited is a Municipal and Industrial Water and Wastewater Treatment company located in Skipton, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 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 21, 2026 · View company records in RevenueBase | |||||
| 14 | 20 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 16 contacts → | ||||
Exact match “At PureH2O we put environmental sustainability at the heart of everything we do.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 15 contacts → | ||||
Exact match “Your water.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 15 contacts → | ||||
Exact match “We specialise in water treatment and disinfection, operating in almost every industry where water treatment is required.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 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 21, 2026 · View company records in RevenueBase | |||||
| 19 | 10 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 21, 2026 · View company records in RevenueBase | |||||
| 20 | 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 21, 2026 · View company records in RevenueBase | |||||
| 21 | 9 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 8 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 8 contacts → | ||||
Exact match “BrightWater Environmental Ltd is a UK designer & manufacturer of chemical free water treatment technologies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 8 contacts → | ||||
Exact match “Capital Water is one of the UK’s leading independent water treatment, water hygiene and compliance service providers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 8 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 · Sep 21, 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 “residential water 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 179 residential water treatment companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 957 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Residential water treatment companies based in the United Kingdom at a glance
As of Sep 21, 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 179 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 “residential 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 957 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 21, 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 “residential water treatment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many residential water treatment companies are there based in the United Kingdom?
RevenueBase identified 179 company matches for residential 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 residential water treatment companies?
London leads with 11 company records, followed by Birmingham (3) and Bristol (3).
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 957 professional contacts with verified work emails tracked across these 179 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 179 residential water treatment companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Residential water treatment companies by geography
- Residential water treatment companies based in Mumbai, India
- Residential water treatment companies based in Australia
- Residential water treatment companies based in Belgium
- Residential water treatment companies based in Brazil
- Residential water treatment companies based in Canada
- Residential water treatment companies based in Chile
- Residential water treatment companies based in France
- Residential water treatment companies based in Germany
- Residential water treatment companies based in India
- Residential water treatment companies based in Italy
- Residential water treatment companies based in Mexico
- Residential water treatment companies based in the Netherlands
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Residential water treatment companies based in Mumbai, India
- Residential water treatment companies based in Australia
- Residential water treatment companies based in Belgium
- Residential water treatment companies based in Brazil
- Residential water treatment companies based in Canada
- Residential water treatment companies based in Chile
Company intelligence · public preview
Top 25 residential water treatment companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 179 matching company records for residential water treatment companies based in the United Kingdom, with 2,186 tracked contacts and 957 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 residential water treatment companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | RSEross-eng.com HQ: Inverness Highlands, United KingdomReported employees: 501-1,000 | Inverness Highlands, United Kingdom | 501-1,000 | Exact match | 498 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Culligan UKculligan.co.ukHQ: Dereham, United KingdomReported employees: 501-1,000 | Dereham, United Kingdom | 501-1,000 | Exact match | 231 contacts → |
“Culligan UK delivers innovative, high-quality water solutions to homes and businesses across the United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Envirogen Groupenvirogengroup.comHQ: Alfreton, United KingdomReported employees: 201-500 | Alfreton, United Kingdom | 201-500 | Exact match | 75 contacts → |
“Envirogen Group is a global leader in industrial water treatment and process filtration solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Siltbuster LTDworkdry.comHQ: Monmouth, United KingdomReported employees: 51-200 | Monmouth, United Kingdom | 51-200 | Exact match | 75 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Fileder Filter Systemsfileder.co.ukHQ: Maidstone, United KingdomReported employees: 51-200 | Maidstone, United Kingdom | 51-200 | Exact match | 53 contacts → |
“In short, we’re 'easy to deal with'.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Basildon, United KingdomReported employees: 51-200 | Basildon, United Kingdom | 51-200 | Exact match | 50 contacts → |
“Guardian part of Marlowe Environmental Services, delivers a range of water treatment and air quality services, allowing the systems that rely on these elements to work effectively…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Billi UKbilli-uk.comHQ: Wolverhampton, United KingdomReported employees: 51-200 | Wolverhampton, United Kingdom | 51-200 | Exact match | 40 contacts → |
“At Billi, we design and manufacture a range of energy efficient filtered water systems that offer our customers the very best in innovation, superior performance and reliability.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Water Treatment Products LTDwatertreatmentproducts.co.ukHQ: Blaenavon, United KingdomReported employees: 51-200 | Blaenavon, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Water Treatment Products Ltd, established in formulate and manufacture speciality chemicals for a wide range of water treatment companies and applications.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Lubron UKlubron.co.uk HQ: Colchester, United KingdomReported employees: 51-200 | Colchester, United Kingdom | 51-200 | Exact match | 26 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Chem-Aqua Europencheurope.com HQ: Wolverhampton, United KingdomReported employees: Not recorded | Wolverhampton, United Kingdom | Not recorded | Exact match | 25 contacts → |
“Water treatment is an important part of preventative maintenance programmes for boiler, cooling and process water systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | TWC Total Water Caretwc-services.co.uk HQ: Bicester, United KingdomReported employees: 11-50 | Bicester, United Kingdom | 11-50 | Exact match | 22 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Acwa Services Limitedacwa.co.ukHQ: Skipton, United KingdomReported employees: 11-50 | Skipton, United Kingdom | 11-50 | Exact match | 22 contacts → |
“ACWA Services Limited is a Municipal and Industrial Water and Wastewater Treatment company located in Skipton, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Excel Water LTDexcelwater.co.ukHQ: Castleford, United KingdomReported employees: 11-50 | Castleford, United Kingdom | 11-50 | Exact match | 21 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Monarch Watermonarchwater.co.uk HQ: Diss, United KingdomReported employees: 11-50 | Diss, United Kingdom | 11-50 | Exact match | 20 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pureh2o LTDpureh2o.co.uk HQ: Woking, United KingdomReported employees: 11-50 | Woking, United Kingdom | 11-50 | Exact match | 16 contacts → |
“At PureH2O we put environmental sustainability at the heart of everything we do.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ecopure Watersecopurewaters.com HQ: Buckinghamshire, United KingdomReported employees: 11-50 | Buckinghamshire, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Your water.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Synthesissynthesis-ws.comHQ: Alderley Edge, United KingdomReported employees: 51-200 | Alderley Edge, United Kingdom | 51-200 | Exact match | 15 contacts → |
“We specialise in water treatment and disinfection, operating in almost every industry where water treatment is required.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Adept Pure Water LTDadeptpwt.co.ukHQ: Wellingborough, United KingdomReported employees: 11-50 | Wellingborough, United Kingdom | 11-50 | Exact match | 11 contacts → |
“ADEPT Pure Water Limited are specialists in the design, manufacture, commission, installation and Service of Water Purification and Treatment Plant and equipment.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Chemical Treatment Services LTDctsltd.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Chemical Treatment Services Ltd are a Belfast based water treatment company offering competitively priced chemicals and equipment with a prompt and efficient service.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Puretec Separationspuretecseparations.com HQ: Ledbury, United KingdomReported employees: 11-50 | Ledbury, United Kingdom | 11-50 | Exact match | 9 contacts → |
“PureTec Separations is a leader in technologies and customer experience within the water treatment and product processing industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  B & V Chemicalsbvwater.co.ukHQ: Daventry, United KingdomReported employees: 11-50 | Daventry, United Kingdom | 11-50 | Exact match | 9 contacts → |
“B&V Chemicals offer water treatment companies worldwide the opportunity to expand their product range and receive industry leading technical back-up.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  A Spec Environmental LTDaspec-environmental.co.ukHQ: Camberley, United KingdomReported employees: 11-50 | Camberley, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Our expertise spans the full spectrum of water treatment, including adherence to BSRIA codes and the application of CPC Filtration methodology.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Brightwater Environmental LTDbrightwaterenvironmental.co.uk HQ: Denton, United KingdomReported employees: 11-50 | Denton, United Kingdom | 11-50 | Exact match | 8 contacts → |
“BrightWater Environmental Ltd is a UK designer & manufacturer of chemical free water treatment technologies.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Capital Watercapitalwater.co.uk HQ: Redhill, United KingdomReported employees: 11-50 | Redhill, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Capital Water is one of the UK’s leading independent water treatment, water hygiene and compliance service providers.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Howlett Associates Water Treatment LTDhowlettassociates.co.uk HQ: Epsom, United KingdomReported employees: 11-50 | Epsom, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Howlett Associates offers a comprehensive range of services including; Legionella Risk Assessment and Legionella Compliance Tasks, Cooling Tower and Steam Boiler Water Treatment…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 179 company matches
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Residential water treatment companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
174 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 179 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for residential water treatment companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many residential water treatment companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 179 matching company records, 2,186 tracked contacts and 957 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Residential water treatment companies by geography
- Residential water treatment companies based in Mumbai, India
- Residential water treatment companies based in Australia
- Residential water treatment companies based in Belgium
- Residential water treatment companies based in Brazil
- Residential water treatment companies based in Canada
- Residential water treatment companies based in Chile
- Residential water treatment companies based in France
- Residential water treatment companies based in Germany
- Residential water treatment companies based in India
- Residential water treatment companies based in Italy
- Residential water treatment companies based in Mexico
- Residential water treatment companies based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 residential water treatment companies based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/residential-water-treatment-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Residential water treatment companies based in Mumbai, India
- Residential water treatment companies based in Australia
- Residential water treatment companies based in Belgium
- Residential water treatment companies based in Brazil
- Residential water treatment companies based in Canada
- Residential water treatment companies based in Chile
Company intelligence · public preview
Top 25 residential water treatment companies based in the United Kingdom
RevenueBase records 179 matching company records for residential water treatment companies based in the United Kingdom, with 2,186 tracked contacts and 957 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 residential water treatment companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | RSEross-eng.com HQ: Inverness Highlands, United KingdomReported employees: 501-1,000 | Inverness Highlands, United Kingdom | 501-1,000 | Exact match | 498 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Culligan UKculligan.co.uk HQ: Dereham, United KingdomReported employees: 501-1,000 | Dereham, United Kingdom | 501-1,000 | Exact match | 231 contacts → |
“Culligan UK delivers innovative, high-quality water solutions to homes and businesses across the United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Envirogen Groupenvirogengroup.com HQ: Alfreton, United KingdomReported employees: 201-500 | Alfreton, United Kingdom | 201-500 | Exact match | 75 contacts → |
“Envirogen Group is a global leader in industrial water treatment and process filtration solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Siltbuster LTDworkdry.com HQ: Monmouth, United KingdomReported employees: 51-200 | Monmouth, United Kingdom | 51-200 | Exact match | 75 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Fileder Filter Systemsfileder.co.uk HQ: Maidstone, United KingdomReported employees: 51-200 | Maidstone, United Kingdom | 51-200 | Exact match | 53 contacts → |
“In short, we’re 'easy to deal with'.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Basildon, United KingdomReported employees: 51-200 | Basildon, United Kingdom | 51-200 | Exact match | 50 contacts → |
“Guardian part of Marlowe Environmental Services, delivers a range of water treatment and air quality services, allowing the systems that rely on these elements to work effectively…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Billi UKbilli-uk.com HQ: Wolverhampton, United KingdomReported employees: 51-200 | Wolverhampton, United Kingdom | 51-200 | Exact match | 40 contacts → |
“At Billi, we design and manufacture a range of energy efficient filtered water systems that offer our customers the very best in innovation, superior performance and reliability.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Water Treatment Products LTDwatertreatmentproducts.co.uk HQ: Blaenavon, United KingdomReported employees: 51-200 | Blaenavon, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Water Treatment Products Ltd, established in formulate and manufacture speciality chemicals for a wide range of water treatment companies and applications.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Lubron UKlubron.co.uk HQ: Colchester, United KingdomReported employees: 51-200 | Colchester, United Kingdom | 51-200 | Exact match | 26 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Chem-Aqua Europencheurope.com HQ: Wolverhampton, United KingdomReported employees: Not recorded | Wolverhampton, United Kingdom | Not recorded | Exact match | 25 contacts → |
“Water treatment is an important part of preventative maintenance programmes for boiler, cooling and process water systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | TWC Total Water Caretwc-services.co.uk HQ: Bicester, United KingdomReported employees: 11-50 | Bicester, United Kingdom | 11-50 | Exact match | 22 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Acwa Services Limitedacwa.co.uk HQ: Skipton, United KingdomReported employees: 11-50 | Skipton, United Kingdom | 11-50 | Exact match | 22 contacts → |
“ACWA Services Limited is a Municipal and Industrial Water and Wastewater Treatment company located in Skipton, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Excel Water LTDexcelwater.co.uk HQ: Castleford, United KingdomReported employees: 11-50 | Castleford, United Kingdom | 11-50 | Exact match | 21 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Monarch Watermonarchwater.co.uk HQ: Diss, United KingdomReported employees: 11-50 | Diss, United Kingdom | 11-50 | Exact match | 20 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pureh2o LTDpureh2o.co.uk HQ: Woking, United KingdomReported employees: 11-50 | Woking, United Kingdom | 11-50 | Exact match | 16 contacts → |
“At PureH2O we put environmental sustainability at the heart of everything we do.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ecopure Watersecopurewaters.com HQ: Buckinghamshire, United KingdomReported employees: 11-50 | Buckinghamshire, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Your water.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Synthesissynthesis-ws.com HQ: Alderley Edge, United KingdomReported employees: 51-200 | Alderley Edge, United Kingdom | 51-200 | Exact match | 15 contacts → |
“We specialise in water treatment and disinfection, operating in almost every industry where water treatment is required.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Adept Pure Water LTDadeptpwt.co.uk HQ: Wellingborough, United KingdomReported employees: 11-50 | Wellingborough, United Kingdom | 11-50 | Exact match | 11 contacts → |
“ADEPT Pure Water Limited are specialists in the design, manufacture, commission, installation and Service of Water Purification and Treatment Plant and equipment.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Chemical Treatment Services LTDctsltd.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Chemical Treatment Services Ltd are a Belfast based water treatment company offering competitively priced chemicals and equipment with a prompt and efficient service.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Puretec Separationspuretecseparations.com HQ: Ledbury, United KingdomReported employees: 11-50 | Ledbury, United Kingdom | 11-50 | Exact match | 9 contacts → |
“PureTec Separations is a leader in technologies and customer experience within the water treatment and product processing industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | B & V Chemicalsbvwater.co.uk HQ: Daventry, United KingdomReported employees: 11-50 | Daventry, United Kingdom | 11-50 | Exact match | 9 contacts → |
“B&V Chemicals offer water treatment companies worldwide the opportunity to expand their product range and receive industry leading technical back-up.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | A Spec Environmental LTDaspec-environmental.co.uk HQ: Camberley, United KingdomReported employees: 11-50 | Camberley, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Our expertise spans the full spectrum of water treatment, including adherence to BSRIA codes and the application of CPC Filtration methodology.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Brightwater Environmental LTDbrightwaterenvironmental.co.uk HQ: Denton, United KingdomReported employees: 11-50 | Denton, United Kingdom | 11-50 | Exact match | 8 contacts → |
“BrightWater Environmental Ltd is a UK designer & manufacturer of chemical free water treatment technologies.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Capital Watercapitalwater.co.uk HQ: Redhill, United KingdomReported employees: 11-50 | Redhill, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Capital Water is one of the UK’s leading independent water treatment, water hygiene and compliance service providers.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Howlett Associates Water Treatment LTDhowlettassociates.co.uk HQ: Epsom, United KingdomReported employees: 11-50 | Epsom, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Howlett Associates offers a comprehensive range of services including; Legionella Risk Assessment and Legionella Compliance Tasks, Cooling Tower and Steam Boiler Water Treatment…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 179 company matches
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Residential water treatment companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
174 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 179 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for residential water treatment companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many residential water treatment companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 179 matching company records, 2,186 tracked contacts and 957 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Residential water treatment companies by geography
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Cite this list
RevenueBase Data Team. Top 25 residential water treatment companies based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/residential-water-treatment-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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