Company lists · Data refreshed September 2026

Top 25 Desalination technology companies based in the United Kingdom

Name: Desalination technology 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 19, 2026 54 companies tracked

RevenueBase identified 54 desalination technology companies headquartered in the United Kingdom as of September 2026 and tracks 1,195 professional contacts across them, including 586 with verified work emails. London is the largest hub.

This list covers desalination technology companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

54Companies

1,195Contacts tracked

586Verified emails

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The 25 largest desalination technology companies based in the United Kingdom

Ranked by team size

Top 25 of 54 desalination technology companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to desalination technology companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	RSE	Partial evidence	Inverness Highlands, United KingdomHQ checked Sep 19, 2026	501-1,000	498 contacts →
	Partial evidence “RSE is a trusted clean water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in…” Source: RevenueBase Database · checked Sep 19, 2026
2	Salt Separation Services Limited	Indirect evidence	Rochdale, United KingdomHQ checked Sep 19, 2026	51-200	80 contacts →
	Indirect evidence “Salt Separation Services Limited is an independent water treatment company specialising in the design, manufacture, installation and commissioning of water treatment systems.” Source: RevenueBase Database · checked Sep 19, 2026
3	Whitefox	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	42 contacts →
	Partial evidence “Whitefox Technologies: Pioneering towards a net zero future through purpose-driven biofuel engineering innovation.” Source: RevenueBase Database · checked Sep 19, 2026
4	Hydro Industries Limited	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	40 contacts →
	Indirect evidence “Hydro Industries.generating clean water Clean Water is a limited natural resource essential for life and economic growth.” Source: RevenueBase Database · checked Sep 19, 2026
5	BWA Water Additives	Partial evidence	M32 0tb, United KingdomHQ checked Sep 19, 2026	51-200	38 contacts →
	Partial evidence “BWA is a technology-led specialty chemicals company who provides sustainable water management solutions to increase our customers’ competitive advantage.” Source: RevenueBase Database · checked Sep 19, 2026
6	Elentec	Partial evidence	Bethesda, United KingdomHQ checked Sep 19, 2026	11-50	36 contacts →
	Partial evidence “Elentec develops and supplies electrochemical water treatment systems - together with appropriate separation technology.” Source: RevenueBase Database · checked Sep 19, 2026
7	EVOVE	Partial evidence	Widnes, United KingdomHQ checked Sep 19, 2026	11-50	27 contacts →
	Partial evidence “We envisage a day when precision membrane technology underpins circular economies and accelerates the transition to the new energy economy by harvesting critical minerals and…” Source: RevenueBase Database · checked Sep 19, 2026
8	Waterwhelm	Strong evidence	Edinburgh, United KingdomHQ checked Sep 19, 2026	11-50	16 contacts →
	Strong evidence “Waterwhelm’s breakthrough water re-use and desalination technology operates at significantly lower pressures compared to reverse osmosis, resulting in lower capital and…” Source: RevenueBase Database · checked Sep 19, 2026
9	Salinity Solutions	Indirect evidence	Birmingham, United KingdomHQ checked Sep 19, 2026	11-50	15 contacts →
	Indirect evidence “Salinity Solutions is a University of Birmingham spin-out, founded in 2021, focused on solving two of the world’s most pressing challenges: clean water and sustainable energy.” Source: RevenueBase Database · checked Sep 19, 2026
10	Aquabio LTD	Indirect evidence	Worcester, United KingdomHQ checked Sep 19, 2026	11-50	14 contacts →
	Indirect evidence “Aquabio is a pioneering company born with a passion for innovation combined with a strong ethos for environmental sustainability.” Source: RevenueBase Database · checked Sep 19, 2026
11	Adept Pure Water LTD	Indirect evidence	Wellingborough, United KingdomHQ checked Sep 19, 2026	11-50	11 contacts →
	Indirect evidence “ADEPT Pure Water Limited are specialists in the design, manufacture, commission, installation and Service of Water Purification and Treatment Plant and equipment.” Source: RevenueBase Database · checked Sep 19, 2026
12	Novnat Tech	Indirect evidence	Birmingham, United KingdomHQ checked Sep 19, 2026	1-10	9 contacts →
	Indirect evidence “NovNat Tech is an advanced materials and engineering design company developing solutions for the most critical problems of today and tomorrow.” Source: RevenueBase Database · checked Sep 19, 2026
13	LAT Water Technologies	Strong evidence	Thatcham, United KingdomHQ checked Sep 19, 2026	11-50	7 contacts →
	Strong evidence “LAT Water, a British technology company developing and implementing innovative approaches to renewable energy powered desalination/water treatment.” Source: RevenueBase Database · checked Sep 19, 2026
14	Modern Water	Partial evidence	York, United KingdomHQ checked Sep 19, 2026	11-50	7 contacts →
	Partial evidence “Modern Water is a pioneering and innovative technology company, specialising in membrane water treatment solutions and advanced monitoring products.” Source: RevenueBase Database · checked Sep 19, 2026
15	Adaptive Process Solutions	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 19, 2026	1-10	6 contacts →
	Indirect evidence “Adaptive Process Solutions (APS) is based in Aberdeen, Scotland and offers light weight, compact offshore water treatment equipment for retrofit to existing brownfield produced…” Source: RevenueBase Database · checked Sep 19, 2026
16	DE Nora Water Technologies UK Services Limited	Partial evidence	Tamworth, United KingdomHQ checked Sep 19, 2026	11-50	5 contacts →
	Partial evidence “DE NORA WATER TECHNOLOGIES UK SERVICES LIMITED is a machinery company based out of Daytona House, Amber Close, Amington, Tamworth, United Kingdom.” Source: RevenueBase Database · checked Sep 19, 2026
17	Aqualithium LTD	Indirect evidence	Wakefield, United KingdomHQ checked Sep 19, 2026	1-10	5 contacts →
	Indirect evidence “The demand for lithium is set to rise exponentially as the world transitions from fossil fuel powered vehicles to battery powered ones.” Source: RevenueBase Database · checked Sep 19, 2026
18	United Global Water	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	5 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
19	Kirton Water Treatment Services	Indirect evidence	Melton Mowbray, United KingdomHQ checked Sep 19, 2026	11-50	4 contacts →
	Indirect evidence “Kirton design and build state-of-the-art solutions that help industrial, commercial and domestic clients use water safely, more efficiently and in compliance with ever increasing…” Source: RevenueBase Database · checked Sep 19, 2026
20	Hydrasyst	Partial evidence	Paddington, United KingdomHQ checked Sep 19, 2026	11-50	4 contacts →
	Partial evidence “The Hydrasyst Group specializes in advanced and modern membrane filtration technology for a range of high demanding commercial and industrial fluid purification applications.” Source: RevenueBase Database · checked Sep 19, 2026
21	Phoenix Water Technologies LTD	Indirect evidence	Amersham, United KingdomHQ checked Sep 19, 2026	11-50	3 contacts →
	Indirect evidence “We can offer process design and turnkey construction capability in all aspects of water treatment plant including pre-treatment, reverse osmosis, ion exchange, membrane…” Source: RevenueBase Database · checked Sep 19, 2026
22	Purehydro Environmental Technologies LTD	Partial evidence	Westgate On Sea, United KingdomHQ checked Sep 19, 2026	1-10	3 contacts →
	Partial evidence “Providing the latest in Water Treatment Technology solutions for the construction industry” Source: RevenueBase Database · checked Sep 19, 2026
23	Ecoprocess Engineering Limited	Indirect evidence	Mold, United KingdomHQ checked Sep 19, 2026	1-10	3 contacts →
	Indirect evidence “Many people don’t trust the quality of their water provider but don’t feel they can do anything about it.” Source: RevenueBase Database · checked Sep 19, 2026
24	Osmotic Engineering	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	1-10	2 contacts →
	Indirect evidence “Osmotic Engineering provides a range of engineering and business development services for advanced membrane processes, including membrane based brine concentration, forward…” Source: RevenueBase Database · checked Sep 19, 2026
25	Gaps Water Treatment	Partial evidence	Rochdale, United KingdomHQ checked Sep 19, 2026	1-10	2 contacts →
	Partial evidence “GAPS Water Treatment pioneers innovative, sustainable purification solutions, delivering clean, safe water with cutting-edge technology for homes and industries.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: desalination technology companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names desalination technology companies.
Partial evidence: Its own public description names part of desalination technology companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name desalination technology companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 54 desalination technology companies based in the United Kingdom

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Desalination technology companies based in the United Kingdom at a glance

As of Sep 19, 2026

49.0%Verified-email coverage

22.1Average contacts per company

1-10Median size (employees)

14.8%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

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 54 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among desalination technology companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “desalination technology companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names desalination technology companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among desalination technology companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 586 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names desalination technology companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many desalination technology companies are there based in the United Kingdom?

RevenueBase identified 54 desalination technology companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

RSE, headquartered in Inverness Highlands, tops this list with the largest team on record.

Which city has the most desalination technology companies?

London leads with 8 headquartered companies, followed by Birmingham (3) and Bristol (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 586 verified decision-maker contacts tracked across these 54 companies.

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 Smart Search, 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.