Company lists · Data refreshed September 2026

Top 25 Oil and gas wastewater treatment companies based in the United Kingdom

Name: Oil and gas wastewater treatment companies 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 83 companies tracked

RevenueBase identified 83 company matches for oil and gas wastewater treatment companies associated with the United Kingdom as of September 2026 and tracks 1,551 professional contacts across them, including 648 with verified work emails. Aberdeen is the largest hub.

This list covers company matches for oil and gas wastewater treatment companies 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

83Companies

1,551Contacts tracked

648Verified emails

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The 25 largest oil and gas wastewater treatment companies based in the United Kingdom

Ranked by team size

Top 25 of 83 company matches for oil and gas wastewater treatment companies 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	TWMA	Exact match	Dyce, United KingdomHQ recorded Sep 17, 2026	501-1,000	456 contacts →
	Exact match “TWMA is the world’s drilling waste specialist; pioneering the best solutions & technology to turn waste into value.” 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	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
4	Jacopa Limited	Exact match	West Bromwich, United KingdomHQ recorded Sep 17, 2026	51-200	73 contacts →
	Exact match “Many of the best known, most respected and reliable brand names in the wastewater industry are part of Jacopa's heritage.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	OSSO	Exact match	Dyce, United KingdomHQ recorded Sep 17, 2026	11-50	47 contacts →
	Exact match “OUR EQUIPMENT SUPPORTS YOUR SUSTAINABLE DEVELOPMENT OSSO is a fully integrated service and maintenance company providing specialist fluid separation, water treatment & heat…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	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
7	Bluewater BIO	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	43 contacts →
	Exact match “Bluewater Bio is an award winning global leader in sustainable water and wastewater treatment.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Vikoma International, OIL Recovery And Environment Protection	Exact match	East Cowes, United KingdomHQ recorded Sep 17, 2026	51-200	35 contacts →
	Exact match “Vikoma has been manufacturing reliable and innovative oil recovery and environment protection equipment for over 50 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Arvia Technology	Exact match	Runcorn, United KingdomHQ recorded Sep 17, 2026	11-50	32 contacts →
	Exact match “Tertiary water treatment specialist.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	OIL Recoveries	Exact match	Southport, United KingdomHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match “With over 75 years of industry experience, Oil Recoveries is a market-leading specialist in oil recovery and waste management solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Acwa Services Limited	Exact match	Skipton, United KingdomHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “ACWA Services Limited is a Municipal and Industrial Water and Wastewater Treatment company located in Skipton, United Kingdom.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Aquabio LTD	Exact match	Worcester, United KingdomHQ recorded Sep 17, 2026	11-50	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 17, 2026 · View company records in RevenueBase
13	Ctech Europe LTD	Exact match	Neston, United KingdomHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Manufacturers of PolyClay® Wastewater Treatment Chemistry and Specialists in Industrial Wastewater Treatment and Sludge Dewatering - production and supply of industrial wastewater…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Plantwork Systems LTD	Exact match	Alton, United KingdomHQ recorded Sep 17, 2026	11-50	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 17, 2026 · View company records in RevenueBase
15	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
16	Enhydra LTD	Exact match	Cromhall, United KingdomHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “Enhydra Ltd is a process engineering company based in the United Kingdom, who supplies equipment and services around the world from Alaska to Australia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Evergreen Water Solutions LTD	Exact match	Hinckley, United KingdomHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Evergreen Water Solutions works closely with a number of international engineering companies whose expertise is in scalable wastewater treatment systems and containerised…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Water Tecnik LTD	Exact match	Newry, United KingdomHQ recorded Sep 17, 2026	11-50	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 17, 2026 · View company records in RevenueBase
19	Puretech Environmental LTD	Exact match	Cranleigh, United KingdomHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Puretech Environmental Waste Water Treatment Company are specialists in all Industrial Effluent Treatment Systems.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Apsl Systems Limited	Exact match	Rugby, United KingdomHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “APSL Systems Limited (APSL) is a global supplier of Oil, Gas, Produced Water and Sea Water process equipment solutions to the Oil, Gas, Refining and Petrochemicals Industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Adaptive Process Solutions	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “Adaptive Process Solutions (APS) is based in Aberdeen, Scotland and offers light weight, compact offshore water treatment equipment for retrofit to existing brownfield produced…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Atana Limited	Exact match	Lutterworth, United KingdomHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Howe Baker	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “The specialists of Howe-Baker have great experience in all aspects of natural gas processing, crude oil refinery and water treatment plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	MSE Systems LTD	Exact match	Chesterfield, United KingdomHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “MSE Systems are specialists in the design, build and commissioning of industrial wastewater treatment plants, offering a full end-of-pipe solution for the recycling and re-use of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	United Global Water	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “United Global Water Holdings Limited develops and sponsors distinct technologies and services for water purification and wastewater treatment as well as for resource recovery and…” 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 “oil and gas wastewater treatment companies”. 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 83 oil and gas wastewater treatment companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 648 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas wastewater treatment companies based in the United Kingdom at a glance

As of Sep 17, 2026

41.8%Verified-email coverage

18.7Average contacts per company

11-50Median size (employees)

7.2%Largest-city concentration · Aberdeen

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 83 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 “oil and gas wastewater treatment companies” 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 648 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 “oil and gas wastewater treatment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas wastewater treatment companies are there based in the United Kingdom?

RevenueBase identified 83 company matches for oil and gas wastewater treatment companies 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?

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

Which city has the most oil and gas wastewater treatment companies?

Aberdeen leads with 6 company records, followed by London (4) and Coventry (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 648 professional contacts with verified work emails tracked across these 83 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.