Company lists · Data refreshed September 2026
Top 25 Aerospace sealing solutions providers based in the United Kingdom
RevenueBase identified 185 aerospace sealing solutions providers headquartered in the United Kingdom as of September 2026 and tracks 3,657 professional contacts across them, including 1,454 with verified work emails. Birmingham is the largest hub.
This list covers aerospace sealing solutions providers 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.
The 25 largest aerospace sealing solutions providers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 661 contacts → | ||||
Partial evidence “We supply high performance fluid sealing products and services, from research and development, manufacture and supply, to plant monitoring, on-site maintenance and seal…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 592 contacts → | ||||
Strong evidence “AESSEAL designs and manufactures sealing solutions for a sustainable future.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 209 contacts → | ||||
Partial evidence “Cross is a world leading manufacturer of aerospace seals, aircraft piston rings and custom seal rings for aircraft engines, steam turbines, vehicle turbochargers, control valves…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 185 contacts → | ||||
Indirect evidence “Hallite gives you complete confidence in the performance of your hydraulic cylinders, producing premium seals, wipers and bearings of proven quality, and delivering them across…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 92 contacts → | ||||
Strong evidence “KLINGER is the world's leading sealing solutions and services provider.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 62 contacts → | ||||
Strong evidence “OBEX Protection Ltd is a global leader in the supply of innovative sealing and protection solutions for commercial glazing and façades.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 60 contacts → | ||||
Strong evidence “Based in Lancashire, R&G Fluid Power Group is the parent company of numerous companies within industrial, sealing, hydraulic and pneumatic solutions across the UK.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 57 contacts → | ||||
Indirect evidence “Aerospheres UK Ltd (An FDH Company) is the world-class leader in real-time distribution of chemicals, paints, adhesives, sealants, and composites in support of commercial airline…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 54 contacts → | ||||
Strong evidence “We are a leading provider of sealing solutions globally.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 48 contacts → | ||||
Strong evidence “Icon Aerospace Technology Ltd provides innovative, value-enhancing solutions for the aerospace and defence sectors.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 46 contacts → | ||||
Indirect evidence “Vulcan Seals - a leading manufacturer and supplier of- Mechanical Seals - FEP/PFA Encapsulated 'O'-Rings & Seals - Gland Packing - Expanded PTFE Gasketing Global Presence…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 38 contacts → | ||||
Partial evidence “VIP-Polymers are World Class provider of Globally approved sealing gaskets.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 37 contacts → | ||||
Partial evidence “MJ Sections Ltd represents over 40 years of engineering innovation, we are a global market leader working in partnership with the aerospace industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 37 contacts → | ||||
Partial evidence “LoneStar Leeds is a leading provider of precision engineered components, sealing technologies and specialised surface coatings to the world’s Oil & Gas, Petrochemical, Power…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 36 contacts → | ||||
Strong evidence “Beldam Crossley is a niche manufacturer of unique sealing and bearing solutions with a solid track record of innovation that spans over a hundred years.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 36 contacts → | ||||
Indirect evidence “Global specialists in the design and manufacture of high temperature metal seals & gaskets.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 30 contacts → | ||||
Indirect evidence “We are a manufacturing company specialising in gaskets, washers, seals and heat containment products for all areas of industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 29 contacts → | ||||
Indirect evidence “TECHSiL® - Suppliers of Industrial Sealants, Adhesives and Tapes TECHSiL® are industrial suppliers of RTV silicone, adhesives, sealants, encapsulants, conformal coatings, casting…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 29 contacts → | ||||
Partial evidence “JA Harrison, an Amcomri Group plc Company - World Class Supplier of Gaskets, Sealing, PTFE and Plastic Technologies J A Harrison & Co boasts an enviable manufacturing heritage…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 26 contacts → | ||||
Strong evidence “We provide cable and pipe sealing solutions for a wide range of applications within many different industries.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 25 contacts → | ||||
Indirect evidence “For 40 years, HITEK Electronic Materials Ltd.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 24 contacts → | ||||
Indirect evidence “Eastern Seals (UK) Ltd.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 22 contacts → | ||||
Indirect evidence “As a leading manufacturer of high integrity o-rings and seals; every day at Superior we renew our commitment to a culture of continuous improvement in the design, manufacture and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 22 contacts → | ||||
Indirect evidence “NES is a U.K-based manufacturer dedicated to advancing elastomeric technologies with a truly global reach.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 21 contacts → | ||||
Partial evidence “Oldham Seals Group (OSG) is a global leader in high-performance sealing technology, specialising in precision-engineered elastomeric and composite seals.” Source: RevenueBase Database · checked Sep 30, 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: aerospace sealing solutions providers. 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 aerospace sealing solutions providers.
- Partial evidence
- Its own public description names part of aerospace sealing solutions providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name aerospace sealing solutions providers. 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 185 aerospace sealing solutions providers based in the United Kingdom
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Aerospace sealing solutions providers based in the United Kingdom at a glance
As of Sep 30, 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 185 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 aerospace sealing solutions providers, 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 “aerospace sealing solutions providers”. 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 aerospace sealing solutions providers), 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 aerospace sealing solutions providers, 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, 1,454 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 aerospace sealing solutions providers, 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 aerospace sealing solutions providers are there based in the United Kingdom?
RevenueBase identified 185 aerospace sealing solutions providers 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?
James Walker, headquartered in Woking, tops this list with the largest team on record.
Which city has the most aerospace sealing solutions providers?
Birmingham leads with 6 headquartered companies, followed by Aberdeen (5) and Leeds (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 1,454 verified decision-maker contacts tracked across these 185 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.
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