Company lists · Data refreshed September 2026

Top 25 Drinking water system installers based in the United Kingdom

RevenueBase identified 172 company matches for drinking water system installers associated with the United Kingdom as of September 2026 and tracks 1,670 professional contacts across them, including 698 with verified work emails. London is the largest hub.

This list covers company matches for drinking water system installers associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built
172Companies
1,670Contacts tracked
698Verified emails
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The 25 largest drinking water system installers based in the United Kingdom

Ranked by team size
Top 25 of 172 company matches for drinking water system installers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDereham, United KingdomHQ recorded Sep 19, 2026501-1,000231 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchMonmouth, United KingdomHQ recorded Sep 19, 202651-20075 contacts →

Exact match

“At Siltbuster Ltd, we operate the UK’s largest rental fleet of water treatment systems, setting the industry benchmark for rapid, reliable, and cost-effective solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchKent, United KingdomHQ recorded Sep 19, 202651-20063 contacts →

Exact match

“Willow Pumps provide expert services for all your pump, drainage, waste and clean water needs.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchAshford, United KingdomHQ recorded Sep 19, 202651-20061 contacts →

Exact match

“Welcome to Ashford Environmental Services Limited, the UK's leading building services commissioning and water treatment specialist, providing a fully integrated service to…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 19, 2026201-50055 contacts →

Exact match

“J A Brooks was established in 1925 and has a long history in the delivery of Public health and Water services in the London and South East and hold an excellent reputation as one…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchBasildon, United KingdomHQ recorded Sep 19, 202651-20050 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 19, 2026 · View company records in RevenueBase
7Exact matchFarnborough, United KingdomHQ recorded Sep 19, 202651-20050 contacts →

Exact match

“ph Water technologies are one of the leading ‘Total Environment Solutions Companies' operating within the UK.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchWolverhampton, United KingdomHQ recorded Sep 19, 202651-20040 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 19, 2026 · View company records in RevenueBase
9Exact matchNorwich, United KingdomHQ recorded Sep 19, 202651-20031 contacts →

Exact match

“Established in 1842, Panks supply, install, maintain, repair and service pumps and pump systems, including all ancillary equipment such as pipes, valves, fittings, controls etc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchRedhill, United KingdomHQ recorded Sep 19, 202611-5031 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchLuton, United KingdomHQ recorded Sep 19, 202651-20029 contacts →

Exact match

“M&S Water Services (Utilities) Limited has been trading since 1997 when the company was set up to bridge the gap between water companies and the customer that domestic plumbers…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchPerth, United KingdomHQ recorded Sep 19, 202611-5029 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchAberdeen, United KingdomHQ recorded Sep 19, 202611-5028 contacts →

Exact match

“Filpumps was established in 1992 to fulfil a number of external factors.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchColchester, United KingdomHQ recorded Sep 19, 202651-20026 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchSeaham, United KingdomHQ recorded Sep 19, 202611-5025 contacts →

Exact match

“Based in the North East of England, Retroflo Ltd are an Electrical and Mechanical contractor whose main activities are focused in the water industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5024 contacts →

Exact match

“Aquevo Limited, headquartered in North West London, is a leading provider of integrated water management services.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchBicester, United KingdomHQ recorded Sep 19, 202611-5022 contacts →

Exact match

“Our core team have numerous years experience in the field of commercial water treatment and a proven track record of delivering effective, compliant water treatments packages.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchCastleford, United KingdomHQ recorded Sep 19, 202611-5021 contacts →

Exact match

“At Excel Water, we pride ourselves on our unwavering commitment to delivering exceptional water treatment and purification solutions tailored to the diverse needs of our clients.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchGloucester, United KingdomHQ recorded Sep 19, 202611-5020 contacts →

Exact match

“The WCD Group is an award-winning leading drinking water solutions company working with the industry’s biggest equipment manufacturers and supplying some of the largest blue-chip…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchWesthill, United KingdomHQ recorded Sep 19, 202611-5018 contacts →

Exact match

“Offshore Water Management Ltd (OWM) is a consultancy and services company delivering a complete range of solutions for the provision of safe drinking water to the offshore and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchBournemouth, United KingdomHQ recorded Sep 19, 202611-5017 contacts →

Exact match

“Aquacare is a water management specialist and part of South West Water, whose parent company is Pennon Group plc who have assets of around £5.9 billion and a workforce of around…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchBuckinghamshire, United KingdomHQ recorded Sep 19, 202611-5015 contacts →

Exact match

“Your water.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchTaunton, United KingdomHQ recorded Sep 19, 202611-5014 contacts →

Exact match

“WCI Group Ltd is the leading expert in water and wastewater engineering, delivering innovative solutions with over four decades of expertise.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchClydebank, United KingdomHQ recorded Sep 19, 202611-5013 contacts →

Exact match

“WaterWise Utilities Ltd is an LRQA-accredited utility infrastructure contractor delivering high-quality water, electrical and traffic management solutions across Scotland.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchCrowthorne, United KingdomHQ recorded Sep 19, 202611-5012 contacts →

Exact match

“Airtech Premier Ltd is a leading expert in air and water.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 172 drinking water system installers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 698 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Drinking water system installers based in the United Kingdom at a glance

As of Sep 19, 2026
41.8%Verified-email coverage
9.7Average contacts per company
1-10Median size (employees)
7.0%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
85
11-50
63
51-200
17
201-500
3
501-1,000
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 172 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 “drinking water system installers” 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 698 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “drinking water system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many drinking water system installers are there based in the United Kingdom?

RevenueBase identified 172 company matches for drinking water system installers 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?

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

Which city has the most drinking water system installers?

London leads with 12 company records, followed by Colchester (5) and Barnsley (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 698 professional contacts with verified work emails tracked across these 172 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.