Company lists · Data refreshed September 2026
Top 25 Filter manufacturers based in the United Kingdom
RevenueBase identified 108 filter manufacturers headquartered in the United Kingdom as of September 2026 and tracks 1,517 professional contacts across them, including 653 with verified work emails. London is the largest hub.
This list covers 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 16, 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.
The 25 largest filter manufacturers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 245 contacts → | ||||
Strong evidence “Porvair Filtration Group is a fast-growing, international market leader in the design and manufacture of high performance, specialised components and assemblies for applications…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 144 contacts → | ||||
Strong evidence “Amazon Filters Ltd is one of Europe’s leading filtration equipment manufacturers.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 102 contacts → | ||||
Partial evidence “This page is managed and monitored by the Filtermist Marketing Team.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 21 contacts → | ||||
Partial evidence “Specialists in Air Filtration & Engineering Services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 17 contacts → | ||||
Strong evidence “Air Filtration Solutions Ltd - a specialist Air Filter Manufacturer.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 15 contacts → | ||||
Partial evidence “Filtration Ltd has been supplying filtration products for over 30 years.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 14 contacts → | ||||
Partial evidence “As our name says, we sell engine filters for commercial use applications.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 contacts → | ||||
Partial evidence “History GFSA Ltd began trading as Goodtech Betex Filtration Ltd in 1997 and was part of the Goodtech Group of companies and in 1998 changed its name to Goodtech FSA Ltd.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Partial evidence “Porvair is a group of specialist filtration, laboratory and environmental technology companies.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Strong evidence “Customised filter manufacturers for diverse industries.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Strong evidence “ACE FILTRATION LIMITED is a business that manufactures and supplies air filtration equipment (Filters, Access door, UV air filters, Air Purifiers and much more) The company based…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Strong evidence “Camfil Ltd Gillingham Branch is one of the U.K.'s leading designers and manufacturers of air filters and associated air filtration systems for the Pharmaceutical, Nuclear…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Strong evidence “Established in 1968, Micro-Mesh has become a leading UK Filter Manufacturer.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Partial evidence “Supply of high efficiency filtration systems and products” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
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: 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 filter manufacturers.
- Partial evidence
- Its own public description names part of filter manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name 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 108 filter manufacturers based in the United Kingdom
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Filter manufacturers based in the United Kingdom at a glance
As of Sep 16, 2026Companies by employee count
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 108 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 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 “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 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 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, 653 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 16, 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 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 filter manufacturers are there based in the United Kingdom?
RevenueBase identified 108 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?
Porvair Filtration Group, headquartered in Fareham, tops this list with the largest team on record.
Which city has the most filter manufacturers?
London leads with 6 headquartered companies, followed by Nottingham (5) and Walsall (5).
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 653 verified decision-maker contacts tracked across these 108 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 16, 2026.
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Download this list →Related lists
Filter manufacturers by geography
- Filter manufacturers based in Australia
- Filter manufacturers based in Belgium
- Filter manufacturers based in Brazil
- Filter manufacturers based in Canada
- Filter manufacturers based in France
- Filter manufacturers based in Germany
- Filter manufacturers based in India
- Filter manufacturers based in Italy
- Filter manufacturers based in the Netherlands
- Filter manufacturers based in Poland
- Filter manufacturers based in Spain
- Filter manufacturers based in Sweden
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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.