Company lists · Data refreshed October 2026

Top 25 Municipal water supply contractors based in the United Kingdom

RevenueBase identified 73 company matches for municipal water supply contractors associated with the United Kingdom as of October 2026 and tracks 2,868 professional contacts across them, including 1,624 with verified work emails. London is the largest hub.

This list covers company matches for municipal water supply 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 October 18, 2026.

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

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 18, 2026 How this list was built
73Companies
2,868Contacts tracked
1,624Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest municipal water supply contractors based in the United Kingdom

Ranked by team size
Top 25 of 73 company matches for municipal water supply contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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 matchHatfield, United KingdomHQ recorded Oct 18, 20261,001-5,000977 contacts →

Exact match

“Our vision is to be the leading community-focused water company.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2Exact matchStockport, United KingdomHQ recorded Oct 18, 20261,001-5,000930 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 · Oct 18, 2026 · View company records in RevenueBase
3Exact matchCoventry, United KingdomHQ recorded Oct 18, 20261,001-5,000147 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 · Oct 18, 2026 · View company records in RevenueBase
4Exact matchBirmingham, United KingdomHQ recorded Oct 18, 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 · Oct 18, 2026 · View company records in RevenueBase
5Exact matchKent, United KingdomHQ recorded Oct 18, 202651-20064 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchMaghera, United KingdomHQ recorded Oct 18, 202651-20054 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 · Oct 18, 2026 · View company records in RevenueBase
7Exact matchStepps, United KingdomHQ recorded Oct 18, 2026201-50052 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 · Oct 18, 2026 · View company records in RevenueBase
8Exact matchSeaham, United KingdomHQ recorded Oct 18, 202611-5030 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 · Oct 18, 2026 · View company records in RevenueBase
9Exact matchNorwich, United KingdomHQ recorded Oct 18, 202651-20030 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 · Oct 18, 2026 · View company records in RevenueBase
10Exact matchGloucester, United KingdomHQ recorded Oct 18, 202611-5029 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 · Oct 18, 2026 · View company records in RevenueBase
11Exact matchLuton, United KingdomHQ recorded Oct 18, 202651-20025 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 · Oct 18, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-5021 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 · Oct 18, 2026 · View company records in RevenueBase
13Exact matchStoke-on-trent, United KingdomHQ recorded Oct 18, 202611-5014 contacts →

Exact match

“Established in 1964, New Haden Pumps Ltd is one of the UK’s leading providers of pumping equipment to the water and waste water industry.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14Exact matchClydebank, United KingdomHQ recorded Oct 18, 202611-5012 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 · Oct 18, 2026 · View company records in RevenueBase
15Exact matchSt Albans, United KingdomHQ recorded Oct 18, 202651-20012 contacts →

Exact match

“Bregan MainsFlow Ltd has firmly established itself within the utilities sector, offering comprehensive solutions for repair, replacement, maintenance, leakage detection and…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchKirkby In Ashfield, United KingdomHQ recorded Oct 18, 202651-20012 contacts →

Exact match

“Welcome to Alliance Group Solutions Limited.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchHeanor, United KingdomHQ recorded Oct 18, 202611-5010 contacts →

Exact match

“We have been specialized in waste water management for over 20 years and offer a full range of services including sales of sewage treatment systems, pump stations and a wide range…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18Exact matchGuildford, United KingdomHQ recorded Oct 18, 202611-507 contacts →

Exact match

“Tech Environment UK Co.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchCadishead Manchester, United KingdomHQ recorded Oct 18, 202611-506 contacts →

Exact match

“Established in 2006, Primary Water Group operates nationally from offices based in Manchester.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 18, 20261-106 contacts →

Exact match

“At Dig & Connect, we specialise in delivering expert water, gas, and electric infrastructure solutions for large-scale residential and commercial projects.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchWitney, United KingdomHQ recorded Oct 18, 202611-505 contacts →

Exact match

“We began trading in 1996.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchPewsey, United KingdomHQ recorded Oct 18, 202611-505 contacts →

Exact match

“First established in 1870, Whatley & Co are a leading provider of and one of the oldest names in water engineering services within southern England.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchSouth Petherwin, United KingdomHQ recorded Oct 18, 202611-504 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchDorking, United KingdomHQ recorded Oct 18, 202611-504 contacts →

Exact match

“ORG Engineering Ltd are a mechanical & electrical installation/maintenance specialist that offer the following services nationwide across multiple utilities and water authorities…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchSwansea, United KingdomHQ recorded Oct 18, 202611-503 contacts →

Exact match

“We are engineers, designing and installing pumping systems and treatment works.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 25 of 73 municipal water supply contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,624 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Municipal water supply contractors based in the United Kingdom at a glance

As of Oct 18, 2026
56.6%Verified-email coverage
39.3Average contacts per company
11-50Median size (employees)
5.5%Largest-city concentration · London
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
27
11-50
28
51-200
11
201-500
2
1,001-5,000
4

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 73 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 “municipal water supply 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 1,624 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 18, 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 “municipal water supply contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many municipal water supply contractors are there based in the United Kingdom?

RevenueBase identified 73 company matches for municipal water supply contractors associated with the United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which city has the most municipal water supply contractors?

London leads with 4 company records, followed by Cadishead Manchester (2) and Coventry (2).

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 1,624 professional contacts with verified work emails tracked across these 73 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 18, 2026.

Ready to reach these companies? Verified emails and direct dials for all 73 municipal water supply contractors based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.