Company lists · Data refreshed September 2026

Top 25 Industrial stormwater management contractors based in the United Kingdom

Name: Industrial stormwater management contractors based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 143 companies tracked

RevenueBase identified 143 company matches for industrial stormwater management contractors associated with the United Kingdom as of September 2026 and tracks 1,819 professional contacts across them, including 734 with verified work emails. London is the largest hub.

This list covers company matches for industrial stormwater management 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 17, 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 17, 2026 How this list was built

143Companies

1,819Contacts tracked

734Verified emails

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The 25 largest industrial stormwater management contractors based in the United Kingdom

Ranked by team size

Top 25 of 143 company matches for industrial stormwater management contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Onsite Central Limited	Exact match	Worcester, United KingdomHQ recorded Sep 17, 2026	201-500	178 contacts →
	Exact match “Originally established in 1977, OnSite is a South Staffordshire Group owned company that has grown through strategic acquisition and organic expansion to become one of the UK's…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Severn Trent Services	Exact match	Coventry, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	137 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 17, 2026 · View company records in RevenueBase
3	Alumasc Water Management Solutions	Exact match	Kettering, United KingdomHQ recorded Sep 17, 2026	51-200	112 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 17, 2026 · View company records in RevenueBase
4	ACO Technologies PLC	Exact match	Shefford, United KingdomHQ recorded Sep 17, 2026	201-500	85 contacts →
	Exact match “ACO is recognised as a global leader in the development and manufacture of high performance surface water management systems.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Siltbuster LTD	Exact match	Monmouth, United KingdomHQ recorded Sep 17, 2026	51-200	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 17, 2026 · View company records in RevenueBase
6	Glanville Environmental	Exact match	Ivybridge, United KingdomHQ recorded Sep 17, 2026	201-500	64 contacts →
	Exact match “Glanville Environmental help commercial infrastructure owners reduce pollution and flood risk by inspecting and maintaining ageing drainage systems and installing new…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	BSG	Exact match	Maghera, United KingdomHQ recorded Sep 17, 2026	51-200	49 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 17, 2026 · View company records in RevenueBase
8	T-T Pumps LTD	Exact match	Woore, United KingdomHQ recorded Sep 17, 2026	51-200	49 contacts →
	Exact match “Established in 1959, T-T started out as a general engineering company before growing to consist of 6 divisions – T-T Pumps, T-T Controls and Automation, T-T Flow Valves, T-T…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Hydro International UK Wastewater Services	Exact match	Portland, United KingdomHQ recorded Sep 17, 2026	201-500	45 contacts →
	Exact match “Hydro International, a CRH Company, provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Atac Solutions LTD	Exact match	Maidstone, United KingdomHQ recorded Sep 17, 2026	11-50	44 contacts →
	Exact match “ATAC Solutions Ltd is a leading UK environmental services company specialising in wastewater services and wastewater equipment on a capital purchase or hire basis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Graf UK LTD	Exact match	Banbury, United KingdomHQ recorded Sep 17, 2026	51-200	43 contacts →
	Exact match “Graf UK Ltd was formed following the acquisition of SCP Water Management Ltd by Graf GmbH, the European market leaders in rainwater harvesting.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Quest Waste Management	Exact match	Wakefield, United KingdomHQ recorded Sep 17, 2026	51-200	33 contacts →
	Exact match “As a UK leader in drainage and waste management, Quest delivers a comprehensive range of services supporting critical industries nationwide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Wcsee Wastewater Marlowe Environmental Services	Exact match	Gloucester, United KingdomHQ recorded Sep 17, 2026	11-50	32 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 17, 2026 · View company records in RevenueBase
14	Spel Products	Exact match	Shrewsbury, United KingdomHQ recorded Sep 17, 2026	11-50	30 contacts →
	Exact match “Spel Products is an industrial engineering company based in Shrewsbury, United Kingdom.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Aqua Technologies Europe Limited	Exact match	Hounslow, United KingdomHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “At Aqua Technologies, we deliver customized water management solutions to meet your business needs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Damm Environmental	Exact match	Hillington Industrial Estate, United KingdomHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “DAMM Environmental - The Leading Drainage & Environmental Company in Scotland At DAMM Environmental we are renowned for the high quality of our work in both the public and private…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Keytec Installation Services	Exact match	Rochdale, United KingdomHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match “Keytec Installation Services supplies and installs stormwater attenuation systems, soakaways, sub-base replacement modules, geomembrane applications including pond-lining and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	GEE DEE Plant	Exact match	Seaton Carew, United KingdomHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “Offering drainage solutions - Interceptor & Septic Tank Cleaning - Drain CCTV - Drain Rehabilitation Operating since 1985 and based on a 3/4 acre site on Hartlepool's Graythorp…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	ARM Group LTD	Exact match	Rugeley, United KingdomHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “ARM Ltd is a privately owned company which began trading in 1947 as agricultural engineers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Viltra	Exact match	Newry, United KingdomHQ recorded Sep 17, 2026	11-50	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 17, 2026 · View company records in RevenueBase
21	WCI Group LTD	Exact match	Taunton, United KingdomHQ recorded Sep 17, 2026	11-50	14 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 17, 2026 · View company records in RevenueBase
22	Hydro Water Management Solutions LTD	Exact match	Stockport, United KingdomHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Hydro WMS specialise in the supply and installation of water management systems that reduce surface water waste, prevent localised flooding and meet the legislative requirements…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Esmil Process Systems	Exact match	High Wycombe Bucks, United KingdomHQ recorded Sep 17, 2026	1-10	12 contacts →
	Exact match “ESMIL Process Systems is an award winning Construction company located in United Kingdom.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Fountains Direct LTD	Exact match	Weybridge, United KingdomHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Fountains Direct Limited’s strength lies in the depth of experience of its team and the quality of the products with which it works.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Libra Utility Services LTD	Exact match	Chatham, United KingdomHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Welcome to Libra Utility Services, your premier provider of drainage and tankering solutions in the UK.” Recorded in the RevenueBase company graph · Sep 17, 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 “industrial stormwater management contractors”. 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 143 industrial stormwater management contractors based in the United Kingdom

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Industrial stormwater management contractors based in the United Kingdom at a glance

As of Sep 17, 2026

40.4%Verified-email coverage

12.7Average contacts per company

11-50Median size (employees)

4.2%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

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 143 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 “industrial stormwater management 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 734 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 17, 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 “industrial stormwater management contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial stormwater management contractors are there based in the United Kingdom?

RevenueBase identified 143 company matches for industrial stormwater management 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?

Onsite Central Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most industrial stormwater management contractors?

London leads with 6 company records, followed by Colchester (3) and Manchester (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 734 professional contacts with verified work emails tracked across these 143 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 17, 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.