Company lists · Data refreshed September 2026
Top 25 Glass sealing and weatherproofing services based in the United Kingdom
RevenueBase identified 345 glass sealing and weatherproofing services headquartered in the United Kingdom as of September 2026 and tracks 1,498 professional contacts across them, including 428 with verified work emails. London is the largest hub.
This list covers glass sealing and weatherproofing services 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 28, 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 glass sealing and weatherproofing services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 92 contacts → | ||||
Partial evidence “KLINGER is the world's leading sealing solutions and services provider.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 72 contacts → | ||||
Indirect evidence “A truly national planned and emergency glazier for commercial customers such as nationwide retailers, local authorities, the leisure industry and small to medium businesses.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 70 contacts → | ||||
Indirect evidence “Saving lives and preserving property.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 62 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 46 contacts → | ||||
Indirect evidence “Martindales Limited is a leading provider of glazing claims validation and fulfilment services to the insurance industry.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 44 contacts → | ||||
Indirect evidence “Triflex is the leading European specialist in cold liquid applied resins.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 36 contacts → | ||||
Indirect evidence “Effisus is a leading provider of innovative solutions that seamlessly blend Efficiency and Sustainability, delivering integrated systems with superior quality and high added value.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 26 contacts → | ||||
Partial evidence “We provide cable and pipe sealing solutions for a wide range of applications within many different industries.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 contacts → | ||||
Partial evidence “Advanced Glass is passionate about delivering exceptional high-performance glazing projects.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 17 contacts → | ||||
Partial evidence “The globally trusted partner for weatherproofing solutions in construction.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13 contacts → | ||||
Partial evidence “Since 1995 we have been improving properties by supplying and installing new doors, windows, glass and glazing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 12 contacts → | ||||
Indirect evidence “Lustalux is a UK company specialising in Window Films, Architectural Film, and all types of Signage.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 11 contacts → | ||||
Indirect evidence “Prima Systems specialises in the management, procurement & installation of high performance building & facade solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 contacts → | ||||
Indirect evidence “At EE Glazing, we’re proud to be trusted home improvement experts with over 70 years of combined glazing industry experience driving everything we do.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 9 contacts → | ||||
Partial evidence “At SGC Glass, we are leaders in commercial glazing, aluminium fabrication, and window and door installation, delivering exceptional quality and craftsmanship since our founding in…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 9 contacts → | ||||
Partial evidence “COMPLETE GLASS & GLAZING SOLUTIONS FOR DOMESTIC & COMMERCIAL PROJECTS Second-generation family business with 55+ years of excellence in the glass industry - Oxfordshire and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Indirect evidence “We are a team of young, highly motivated professional fixers, specializing in Windows Fixing, but we also cover other work and services, such as cladding facades, curtain walling…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Indirect evidence “The Sky Access UK team specialise in the delivery of high level glazing services utilising our own in-house Rope Access Technicians.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Partial evidence “City Glass & Windows Manchester have over 30 years experience as glass suppliers & offer glazing services, including glass cutting, processing & repairs.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Indirect evidence “With over 25 years of hands on experience in the industry, we are fully equipped to give your space the transformation that it has been waiting for.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Indirect evidence “We are a quality manufacturer of Construction and Industrial Sealants and Facade Solutions for the Professional.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Partial evidence “Major Glass and Glazing is a company that can offer replacement glass, emergency glazing, repair broken glass.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6 contacts → | ||||
Indirect evidence “Northgate is a leading Specialist in the Supply and Installation of all types of Glazed Screens and Partitions and Doors, both Fire Rated and Non Fire Rated, & will also assist…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Partial evidence “Johnson's Glazing Contractors Limited is a glass and glazing company based out of Units 5, 6 & 7 Thurrock Commercial Centre, Purfleet Industrial Estate, Aveley, Essex RM15 4YA.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Indirect evidence “Construction Sealants Limited’s client list boasts some of the UK’s largest and most well-known construction companies.” Source: RevenueBase Database · checked Sep 28, 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: glass sealing and weatherproofing services. 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 glass sealing and weatherproofing services.
- Partial evidence
- Its own public description names part of glass sealing and weatherproofing services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name glass sealing and weatherproofing services. 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 345 glass sealing and weatherproofing services based in the United Kingdom
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Glass sealing and weatherproofing services based in the United Kingdom at a glance
As of Sep 28, 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 345 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 glass sealing and weatherproofing services, 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 “glass sealing and weatherproofing services”. 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 glass sealing and weatherproofing services), 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 glass sealing and weatherproofing services, 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, 428 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 28, 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 glass sealing and weatherproofing services, 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 glass sealing and weatherproofing services are there based in the United Kingdom?
RevenueBase identified 345 glass sealing and weatherproofing services 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?
Klinger United Kingdom, headquartered in Bradford, tops this list with the largest team on record.
Which city has the most glass sealing and weatherproofing services?
London leads with 32 headquartered companies, followed by Birmingham (8) and Manchester (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 428 verified decision-maker contacts tracked across these 345 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 345 glass sealing and weatherproofing services based in the United Kingdom. Start with a free account, no credit card.
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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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