Company lists · Data refreshed September 2026

Top 25 Water delivery system contractors based in the United Kingdom

RevenueBase identified 165 company matches for water delivery system contractors associated with the United Kingdom as of September 2026 and tracks 3,035 professional contacts across them, including 1,445 with verified work emails. London is the largest hub.

This list covers company matches for water delivery system contractors 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
165Companies
3,035Contacts tracked
1,445Verified emails
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The 25 largest water delivery system contractors based in the United Kingdom

Ranked by team size
Top 25 of 165 company matches for water delivery system contractors 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 matchStockport, United KingdomHQ recorded Sep 19, 20261,001-5,000879 contacts →

Exact match

“MWH Treatment is a leading Design and Build non-infrastructure solution provider in the UK water sector, with a water sector heritage dating back to 1820.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchCoventry, United KingdomHQ recorded Sep 19, 20261,001-5,000137 contacts →

Exact match

“Severn Trent Services offer a range of services to municipal and industrial clients, including the Ministry of Defence and the Coal Authority, for design, build and operation of…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchBrierley Hill, United KingdomHQ recorded Sep 19, 2026201-500137 contacts →

Exact match

“S&R Construction was founded in 1998 with a view to providing affordable, sustainable gas, water and electric mains and utility installation services for a broad range of clients.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchBirmingham, United KingdomHQ recorded Sep 19, 202651-200113 contacts →

Exact match

“Enpure is a process engineering company specializing in water, wastewater and sludge treatment as well as waste-to-energy solutions with a global presence.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchKettering, United KingdomHQ recorded Sep 19, 202651-200112 contacts →

Exact match

“AWMS, part of Alumasc Group, is the first joined-up brand in integrated water management.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchEnfield, United KingdomHQ recorded Sep 19, 202651-20070 contacts →

Exact match

“Welcome to Gel Engineering.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchStepps, United KingdomHQ recorded Sep 19, 2026201-50058 contacts →

Exact match

“How we manage water and wastewater systems now will be critical for our communities and ecosystems for many generations to come.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchMaghera, United KingdomHQ recorded Sep 19, 202651-20049 contacts →

Exact match

“With over 40 year’s industry experience, we are a leading engineering contractor with specialist expertise in the water and wastewater sector.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchGloucester, United KingdomHQ recorded Sep 19, 202611-5032 contacts →

Exact match

“At WCSEE we collaborate closely with our clients to design and deliver reliable, robust, and future-proofed wastewater systems tailored to site specific requirements.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchBury, United KingdomHQ recorded Sep 19, 202611-5030 contacts →

Exact match

“Water engineering Services Ltd is an electrical and mechanical engineering and installations company with employed electrical and mechanical engineers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact 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
16Exact 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
17Exact matchStockton-on-tees, United KingdomHQ recorded Sep 19, 202611-5028 contacts →

Exact match

“JH Mechanical Services is a leading provider of mechanical, electrical and water management services across the North of England.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchShrewsbury, United KingdomHQ recorded Sep 19, 202611-5024 contacts →

Exact match

“Industry leaders in package pumping stations, submersible pumps and pump installations, attenuation and fluid storage systems for waste-water, chemicals and storm-water.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchCroydon, United KingdomHQ recorded Sep 19, 202611-5022 contacts →

Exact match

“Innovation is a privately owned company formed in 1998 and has successfully traded in the Building Services Sector of the Construction Industry since its inception.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchWincanton, United KingdomHQ recorded Sep 19, 202611-5019 contacts →

Exact match

“As leading water feature and irrigation specialists we can offer you a complete package from design through to maintenance or any component within.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchLeeds, United KingdomHQ recorded Sep 19, 202651-20016 contacts →

Exact match

“IETG is a multi-disciplinary support services company operating within the water and waste water industries.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchStoke-on-trent, United KingdomHQ recorded Sep 19, 202651-20016 contacts →

Exact match

“Ham Baker Engineering Limited are a market leading, global organisation dedicated to the design and manufacture of innovative bespoke solutions for the water and waste water…”

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

Showing 25 of 165 water delivery system contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,445 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water delivery system contractors based in the United Kingdom at a glance

As of Sep 19, 2026
47.6%Verified-email coverage
18.4Average contacts per company
11-50Median size (employees)
3.0%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
67
11-50
64
51-200
21
201-500
6
501-1,000
3
1,001-5,000
3

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 165 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 “water delivery system contractors” 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 1,445 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 “water delivery system contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water delivery system contractors are there based in the United Kingdom?

RevenueBase identified 165 company matches for water delivery system contractors 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?

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

Which city has the most water delivery system contractors?

London leads with 5 company records, followed by Colchester (3) and Ipswich (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 1,445 professional contacts with verified work emails tracked across these 165 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.