Company lists · Data refreshed September 2026
Top 25 Reverse osmosis system builders based in the United Kingdom
RevenueBase identified 155 company matches for reverse osmosis system builders associated with the United Kingdom as of September 2026 and tracks 2,218 professional contacts across them, including 1,048 with verified work emails. London is the largest hub.
This list covers company matches for reverse osmosis system builders 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 reverse osmosis system builders 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 | 80 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 21, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 54 contacts → | ||||
Exact match “Here at Borg & Overström, we have one mission; to empower our partners to achieve more through the creation of simple, innovative workplace refreshment.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 50 contacts → | ||||
Exact match “Hydrotec is the UK’s leading company in the design and manufacture of water treatment products for the building services industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 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 21, 2026 · View company records in RevenueBase | |||||
| 10 | 32 contacts → | ||||
Exact match “Tertiary water treatment specialist.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 28 contacts → | ||||
Exact match “Filpumps was established in 1992 to fulfil a number of external factors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 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 | |||||
| 13 | 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 | |||||
| 14 | 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 | |||||
| 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 “Salinity Solutions is a University of Birmingham spin-out, founded in 2021, focused on solving two of the world’s most pressing challenges: clean water and sustainable energy.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 15 contacts → | ||||
Exact match “Your water.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 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 21, 2026 · View company records in RevenueBase | |||||
| 19 | 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 21, 2026 · View company records in RevenueBase | |||||
| 20 | 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 21, 2026 · View company records in RevenueBase | |||||
| 21 | 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 21, 2026 · View company records in RevenueBase | |||||
| 22 | 12 contacts → | ||||
Exact match “ESMIL Process Systems is an award winning Construction company located in United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 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 | |||||
| 24 | 10 contacts → | ||||
Exact match “Wycombe Water Ltd.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 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 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 “reverse osmosis system builders”. 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 155 reverse osmosis system builders based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,048 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Reverse osmosis system builders 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 155 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 “reverse osmosis system builders” 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 1,048 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 “reverse osmosis system builders”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many reverse osmosis system builders are there based in the United Kingdom?
RevenueBase identified 155 company matches for reverse osmosis system builders 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 reverse osmosis system builders?
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 1,048 professional contacts with verified work emails tracked across these 155 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 155 reverse osmosis system builders based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Reverse osmosis system builders by geography
- Reverse osmosis system builders based in Ahmedabad, India
- Reverse osmosis system builders based in Mumbai, India
- Reverse osmosis system builders based in Pune, India
- Reverse osmosis system builders based in Australia
- Reverse osmosis system builders based in Belgium
- Reverse osmosis system builders based in Brazil
- Reverse osmosis system builders based in Canada
- Reverse osmosis system builders based in Chile
- Reverse osmosis system builders based in France
- Reverse osmosis system builders based in Germany
- Reverse osmosis system builders based in India
- Reverse osmosis system builders based in Indonesia
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
- Reverse osmosis system builders based in Ahmedabad, India
- Reverse osmosis system builders based in Mumbai, India
- Reverse osmosis system builders based in Pune, India
- Reverse osmosis system builders based in Australia
- Reverse osmosis system builders based in Belgium
- Reverse osmosis system builders based in Brazil
Company intelligence · public preview
Top 25 reverse osmosis system builders 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 155 matching company records for reverse osmosis system builders based in the United Kingdom, with 2,218 tracked contacts and 1,048 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 reverse osmosis system builders 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 |  Salt Separation Services Limitedsaltsep.co.ukHQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 80 contacts → |
“Salt Separation Services Limited is an independent water treatment company specialising in the design, manufacture, installation and commissioning of water treatment systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  Borg & Overströmborgandoverstrom.comHQ: Norwich, United KingdomReported employees: 51-200 | Norwich, United Kingdom | 51-200 | Exact match | 54 contacts → |
“Here at Borg & Overström, we have one mission; to empower our partners to achieve more through the creation of simple, innovative workplace refreshment.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Hydrotec Water Treatment Specialistshydrotec.co.ukHQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 50 contacts → |
“Hydrotec is the UK’s leading company in the design and manufacture of water treatment products for the building services industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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. | |||||
| 9 |  Hydro Industries Limitedhydro-industries.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Hydro Industries.generating clean water Clean Water is a limited natural resource essential for life and economic growth.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Arvia Technologyarviatechnology.comHQ: Runcorn, United KingdomReported employees: 11-50 | Runcorn, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Tertiary water treatment specialist.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Filpumps LTDfilpumps.co.uk HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Filpumps was established in 1992 to fulfil a number of external factors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | 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. | |||||
| 14 |  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. | |||||
| 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 |  Salinity Solutionssalinitysolutions.co.ukHQ: Birmingham, United KingdomReported employees: 11-50 | Birmingham, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Salinity Solutions is a University of Birmingham spin-out, founded in 2021, focused on solving two of the world’s most pressing challenges: clean water and sustainable energy.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | Viltraviltra.co.uk HQ: Newry, United KingdomReported employees: 11-50 | Newry, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Viltra specialises in designing, manufacturing and installing wastewater treatment solutions for a wide range of sectors throughout the UK and Ireland, including domestic…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Aquabio LTDaquabio.co.ukHQ: Worcester, United KingdomReported employees: 11-50 | Worcester, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Aquabio is a pioneering company born with a passion for innovation combined with a strong ethos for environmental sustainability.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bywater Services LTDbywaterservices.co.uk HQ: Coalville, United KingdomReported employees: 11-50 | Coalville, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Established in ByWater Services is a UK specialist in commercial water treatment, water recycling and wastewater management solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Plantwork Systems LTDplantworksystems.comHQ: Alton, United KingdomReported employees: 11-50 | Alton, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Plantwork Systems Ltd (PWS) provides water and wastewater treatment solutions with a strong focus on sustainability, innovation and cost efficiency.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Esmil Process Systemsesmil.co.uk HQ: High Wycombe Bucks, United KingdomReported employees: 1-10 | High Wycombe Bucks, United Kingdom | 1-10 | Exact match | 12 contacts → |
“ESMIL Process Systems is an award winning Construction company located in United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  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. | |||||
| 24 | Wycombe Waterwycombewater.co.uk HQ: Aylesbury, United KingdomReported employees: 11-50 | Aylesbury, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Wycombe Water Ltd.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Water Tecnik LTDwatertecnik.com HQ: Newry, United KingdomReported employees: 11-50 | Newry, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Water Tecnik specialises in delivering practical, compliant, and cost-effective industrial wastewater and effluent treatment solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 155 company matches
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Reverse osmosis system builders: 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
151 records in the displayed employee bands.
4 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 155 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 reverse osmosis system builders?
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 reverse osmosis system builders did RevenueBase find based in the United Kingdom?
The saved snapshot records 155 matching company records, 2,218 tracked contacts and 1,048 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
Reverse osmosis system builders by geography
- Reverse osmosis system builders based in Ahmedabad, India
- Reverse osmosis system builders based in Mumbai, India
- Reverse osmosis system builders based in Pune, India
- Reverse osmosis system builders based in Australia
- Reverse osmosis system builders based in Belgium
- Reverse osmosis system builders based in Brazil
- Reverse osmosis system builders based in Canada
- Reverse osmosis system builders based in Chile
- Reverse osmosis system builders based in France
- Reverse osmosis system builders based in Germany
- Reverse osmosis system builders based in India
- Reverse osmosis system builders based in Indonesia
Cite this list
RevenueBase Data Team. Top 25 reverse osmosis system builders based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/reverse-osmosis-system-builders/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
- Reverse osmosis system builders based in Ahmedabad, India
- Reverse osmosis system builders based in Mumbai, India
- Reverse osmosis system builders based in Pune, India
- Reverse osmosis system builders based in Australia
- Reverse osmosis system builders based in Belgium
- Reverse osmosis system builders based in Brazil
Company intelligence · public preview
Top 25 reverse osmosis system builders based in the United Kingdom
RevenueBase records 155 matching company records for reverse osmosis system builders based in the United Kingdom, with 2,218 tracked contacts and 1,048 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 reverse osmosis system builders 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 | Salt Separation Services Limitedsaltsep.co.uk HQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 80 contacts → |
“Salt Separation Services Limited is an independent water treatment company specialising in the design, manufacture, installation and commissioning of water treatment systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | Borg & Overströmborgandoverstrom.com HQ: Norwich, United KingdomReported employees: 51-200 | Norwich, United Kingdom | 51-200 | Exact match | 54 contacts → |
“Here at Borg & Overström, we have one mission; to empower our partners to achieve more through the creation of simple, innovative workplace refreshment.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Hydrotec Water Treatment Specialistshydrotec.co.uk HQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 50 contacts → |
“Hydrotec is the UK’s leading company in the design and manufacture of water treatment products for the building services industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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. | |||||
| 9 | Hydro Industries Limitedhydro-industries.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Hydro Industries.generating clean water Clean Water is a limited natural resource essential for life and economic growth.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Arvia Technologyarviatechnology.com HQ: Runcorn, United KingdomReported employees: 11-50 | Runcorn, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Tertiary water treatment specialist.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Filpumps LTDfilpumps.co.uk HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Filpumps was established in 1992 to fulfil a number of external factors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | 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. | |||||
| 14 | 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. | |||||
| 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 | Salinity Solutionssalinitysolutions.co.uk HQ: Birmingham, United KingdomReported employees: 11-50 | Birmingham, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Salinity Solutions is a University of Birmingham spin-out, founded in 2021, focused on solving two of the world’s most pressing challenges: clean water and sustainable energy.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | Viltraviltra.co.uk HQ: Newry, United KingdomReported employees: 11-50 | Newry, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Viltra specialises in designing, manufacturing and installing wastewater treatment solutions for a wide range of sectors throughout the UK and Ireland, including domestic…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Aquabio LTDaquabio.co.uk HQ: Worcester, United KingdomReported employees: 11-50 | Worcester, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Aquabio is a pioneering company born with a passion for innovation combined with a strong ethos for environmental sustainability.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bywater Services LTDbywaterservices.co.uk HQ: Coalville, United KingdomReported employees: 11-50 | Coalville, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Established in ByWater Services is a UK specialist in commercial water treatment, water recycling and wastewater management solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Plantwork Systems LTDplantworksystems.com HQ: Alton, United KingdomReported employees: 11-50 | Alton, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Plantwork Systems Ltd (PWS) provides water and wastewater treatment solutions with a strong focus on sustainability, innovation and cost efficiency.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Esmil Process Systemsesmil.co.uk HQ: High Wycombe Bucks, United KingdomReported employees: 1-10 | High Wycombe Bucks, United Kingdom | 1-10 | Exact match | 12 contacts → |
“ESMIL Process Systems is an award winning Construction company located in United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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. | |||||
| 24 | Wycombe Waterwycombewater.co.uk HQ: Aylesbury, United KingdomReported employees: 11-50 | Aylesbury, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Wycombe Water Ltd.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Water Tecnik LTDwatertecnik.com HQ: Newry, United KingdomReported employees: 11-50 | Newry, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Water Tecnik specialises in delivering practical, compliant, and cost-effective industrial wastewater and effluent treatment solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 155 company matches
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Reverse osmosis system builders: 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
151 records in the displayed employee bands.
4 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 155 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 reverse osmosis system builders?
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 reverse osmosis system builders did RevenueBase find based in the United Kingdom?
The saved snapshot records 155 matching company records, 2,218 tracked contacts and 1,048 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
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Cite this list
RevenueBase Data Team. Top 25 reverse osmosis system builders based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/reverse-osmosis-system-builders/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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