Company lists · Data refreshed September 2026

Top 25 Custom air filter manufacturers based in the United Kingdom

Name: Custom air filter manufacturers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 141 companies tracked

RevenueBase identified 141 custom air filter manufacturers headquartered in the United Kingdom as of September 2026 and tracks 1,568 professional contacts across them, including 616 with verified work emails. London is the largest hub.

This list covers custom air filter manufacturers 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 30, 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 30, 2026 86% judged on-target in blind review

141Companies

1,568Contacts tracked

616Verified emails

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The 25 largest custom air filter manufacturers based in the United Kingdom

Ranked by team size

Top 25 of 141 custom air filter manufacturers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to custom air filter manufacturers: 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	Russell Finex LTD	Partial evidence	Feltham, United KingdomHQ checked Sep 30, 2026	501-1,000	179 contacts →
	Partial evidence “Global Sieving and Filtration Specialists Russell Finex assure and enhance the reputation of companies in almost every process industry throughout the world.” Source: RevenueBase Database · checked Sep 30, 2026
2	Amazon Filters LTD	Strong evidence	Camberley, United KingdomHQ checked Sep 30, 2026	201-500	144 contacts →
	Strong evidence “Amazon Filters Ltd is one of Europe’s leading filtration equipment manufacturers.” Source: RevenueBase Database · checked Sep 30, 2026
3	AAF AIR Filters	Strong evidence	Cramlington, United KingdomHQ checked Sep 30, 2026	51-200	127 contacts →
	Strong evidence “AAF International, the world’s largest manufacturer of air filtration solutions, operates production, warehousing and distribution facilities in 22 countries across four…” Source: RevenueBase Database · checked Sep 30, 2026
4	Filtermist Limited	Partial evidence	Telford, United KingdomHQ checked Sep 30, 2026	51-200	102 contacts →
	Partial evidence “This page is managed and monitored by the Filtermist Marketing Team.” Source: RevenueBase Database · checked Sep 30, 2026
5	Walker Filtration Limited	Strong evidence	Washington, United KingdomHQ checked Sep 30, 2026	201-500	94 contacts →
	Strong evidence “Walker Filtration designs, develops and manufactures a comprehensive range of high quality Compressed Air and Gas Filtration and Drying solutions for a wide range of industrial…” Source: RevenueBase Database · checked Sep 30, 2026
6	Axium Process LTD	Strong evidence	Hendy, United KingdomHQ checked Sep 30, 2026	51-200	36 contacts →
	Strong evidence “Axium Process is a ‘one stop’ engineering house providing customised solutions to meet your individual requirements be it for a membrane filtration system to treat your effluent…” Source: RevenueBase Database · checked Sep 30, 2026
7	Filtration Control	Strong evidence	Northampton, United KingdomHQ checked Sep 30, 2026	51-200	32 contacts →
	Strong evidence “For more than three decades, Filtration Control LTD (FCL) has stood at the forefront as the leading manufacturer and distributor in the United Kingdom, specializing in engine air…” Source: RevenueBase Database · checked Sep 30, 2026
8	PSI Global Limited	Strong evidence	Stockton-on-tees, United KingdomHQ checked Sep 30, 2026	51-200	32 contacts →
	Strong evidence “For compressed air & vacuum industries PSI Global manufactures and provides solutions for filters and separators to the compressed air and vacuum industries.” Source: RevenueBase Database · checked Sep 30, 2026
9	John Morfield	Partial evidence	Thornaby, United KingdomHQ checked Sep 30, 2026	11-50	30 contacts →
	Partial evidence “The UK's leading independent filtration supplier.” Source: RevenueBase Database · checked Sep 30, 2026
10	Bollfilter UK	Partial evidence	Tolleshunt D'arcy, United KingdomHQ checked Sep 30, 2026	501-1,000	29 contacts →
	Partial evidence “BOLLFILTER is a brand of the renowned BOLL & KIRCH Filterbau GmbH in Germany, a world market leader in providing liquid and gas filtration equipment since 1950, with subsidiaries…” Source: RevenueBase Database · checked Sep 30, 2026
11	HVDS	Strong evidence	Stafford, United KingdomHQ checked Sep 30, 2026	11-50	27 contacts →
	Strong evidence “HVDS is a trusted partner for over 100 leading food manufacturers in the UK and Ireland, specialising in air quality and clean air solutions.” Source: RevenueBase Database · checked Sep 30, 2026
12	Filtrex Global LTD	Strong evidence	Harlow, United KingdomHQ checked Sep 30, 2026	11-50	24 contacts →
	Strong evidence “Filtrex Global Ltd specializes in providing solutions for clean air management, from supplying replaceable filter cells for air conditioning and ventilation systems, complete…” Source: RevenueBase Database · checked Sep 30, 2026
13	Allied Filter Systems LTD	Strong evidence	Irlam, United KingdomHQ checked Sep 30, 2026	51-200	23 contacts →
	Strong evidence “Allied Filter Systems Ltd® is the UK’s leading manufacturer & supplier of high-performance liquid filter bags, filter cartridges and filter equipment for process industries.” Source: RevenueBase Database · checked Sep 30, 2026
14	Delta NEU Limited	Partial evidence	Stockport, United KingdomHQ checked Sep 30, 2026	11-50	23 contacts →
	Partial evidence “Based in Lille, France, since the early 20th century, the NEU Group has continued to develop techniques in industrial air handling systems.” Source: RevenueBase Database · checked Sep 30, 2026
15	DCE Dust Control Environmental LTD	Indirect evidence	Wakefield, United KingdomHQ checked Sep 30, 2026	11-50	23 contacts →
	Indirect evidence “Dust Control Environmental Ltd.(or DCE) has gathered over 100 years’ experience within the team, resulting in us developing into one of the market leaders in the dust and fume…” Source: RevenueBase Database · checked Sep 30, 2026
16	Beta Group LTD	Strong evidence	Bacup, United KingdomHQ checked Sep 30, 2026	51-200	21 contacts →
	Strong evidence “Specialists in Air Filtration & Engineering Services.” Source: RevenueBase Database · checked Sep 30, 2026
17	AIR Filtration Solutions Limited	Strong evidence	Preston, United KingdomHQ checked Sep 30, 2026	11-50	17 contacts →
	Strong evidence “Air Filtration Solutions Ltd - a specialist Air Filter Manufacturer.” Source: RevenueBase Database · checked Sep 30, 2026
18	Ramair Filters LTD	Indirect evidence	Swindon, United KingdomHQ checked Sep 30, 2026	11-50	16 contacts →
	Indirect evidence “For more than 30 years Ramair has been serving the road and race industry, working with names such as Mercedes, Aston Martin, Brabus and Triumph to name just a few.” Source: RevenueBase Database · checked Sep 30, 2026
19	Westbury Group	Strong evidence	Sandringham Court, United KingdomHQ checked Sep 30, 2026	51-200	16 contacts →
	Strong evidence “Established in 1969, Westbury has become the largest privately owned British air filter manufacturer, with it’s Head Office and Factory based in Burnley Lancashire and additional…” Source: RevenueBase Database · checked Sep 30, 2026
20	Headline Filters Limited	Strong evidence	Aylesford, United KingdomHQ checked Sep 30, 2026	11-50	16 contacts →
	Strong evidence “About Headline Filters Headline Filters is a UK-based manufacturer specialising in high-performance gas and instrument air filtration for critical applications.” Source: RevenueBase Database · checked Sep 30, 2026
21	Filtration LTD	Partial evidence	Bristol, United KingdomHQ checked Sep 30, 2026	11-50	15 contacts →
	Partial evidence “Filtration Ltd has been supplying filtration products for over 30 years.” Source: RevenueBase Database · checked Sep 30, 2026
22	GVS Filter Technology UK LTD	Strong evidence	Morecambe, United KingdomHQ checked Sep 30, 2026	201-500	12 contacts →
	Strong evidence “The GVS Group is one of the world's leading manufacturers of filters and components for applications in the Healthcare, Life Sciences, Automotive, Appliance, Safety, and…” Source: RevenueBase Database · checked Sep 30, 2026
23	R & B Industrial LTD	Partial evidence	Andover, United KingdomHQ checked Sep 30, 2026	11-50	12 contacts →
	Partial evidence “We provide bespoke application expertise; by focusing upon customer specific requirements and offering appropriate cost effective solutions.” Source: RevenueBase Database · checked Sep 30, 2026
24	Porvair PLC	Partial evidence	King's Lynn, United KingdomHQ checked Sep 30, 2026	1,001-5,000	11 contacts →
	Partial evidence “Porvair is a group of specialist filtration, laboratory and environmental technology companies.” Source: RevenueBase Database · checked Sep 30, 2026
25	Croft Filters	Strong evidence	Warrington, United KingdomHQ checked Sep 30, 2026	11-50	11 contacts →
	Strong evidence “Customised filter manufacturers for diverse industries.” Source: RevenueBase Database · checked Sep 30, 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: custom air filter manufacturers. 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 custom air filter manufacturers.
Partial evidence: Its own public description names part of custom air filter manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name custom air filter manufacturers. 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 141 custom air filter manufacturers based in the United Kingdom

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Custom air filter manufacturers based in the United Kingdom at a glance

As of Sep 30, 2026

39.3%Verified-email coverage

11.1Average contacts per company

11-50Median size (employees)

3.5%Largest-city concentration · London

Sep 30, 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 141 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 custom air filter manufacturers, 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 “custom air filter manufacturers”. 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 custom air filter manufacturers), 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 custom air filter manufacturers, 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, 616 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 30, 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 custom air filter manufacturers, 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 custom air filter manufacturers are there based in the United Kingdom?

RevenueBase identified 141 custom air filter manufacturers 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?

Russell Finex LTD, headquartered in Feltham, tops this list with the largest team on record.

Which city has the most custom air filter manufacturers?

London leads with 5 headquartered companies, followed by Nottingham (5) and Cramlington (4).

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 616 verified decision-maker contacts tracked across these 141 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 30, 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.