Company lists · Data refreshed September 2026
Top 25 Curtain wall system manufacturers based in the United Kingdom
RevenueBase identified 523 curtain wall system manufacturers headquartered in the United Kingdom as of September 2026 and tracks 5,282 professional contacts across them, including 1,867 with verified work emails. London is the largest hub.
This list covers curtain wall system 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 curtain wall system manufacturers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 160 contacts → | ||||
Indirect evidence “At Optima, we’ve been redefining spaces with innovative glass partitioning solutions for nearly four decades.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 135 contacts → | ||||
Strong evidence “McMullen Facades is a leading specialist facade contractor providing full design, fabrication and installation of aluminium curtain wall and window systems for medium and large…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 131 contacts → | ||||
Strong evidence “Radii Planet Group has designed, manufactured and installed glazed partitioning systems and doors for hundreds of clients across a variety of different sectors.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 127 contacts → | ||||
Indirect evidence “Alumet are one of the UK’s premier building envelope contractors.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 116 contacts → | ||||
Indirect evidence “We are an international supplier of architectural metal building solutions to the construction industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 98 contacts → | ||||
Strong evidence “For more than 40 years across the world, AluK has been at the forefront of the design of aluminium curtain walling, window and door systems, combining unique and innovative…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 97 contacts → | ||||
Indirect evidence “The Lakesmere Group comprises Lakesmere Limited (UK), McMullen Facades Ltd, Lakesmere Arabia LLC, Lakesmere Oman LLC, Lakesmere Middle East LLC (Dubai and Abu Dhabi) and Lakesmere…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 78 contacts → | ||||
Indirect evidence “Colorminium is a huge part of creating some of the most iconic and prestigious landmark buildings across London.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 73 contacts → | ||||
Indirect evidence “IQ Glass is the UK's leader in high specification architectural glazing, supplying and installing the most pioneering architectural glass technology.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 72 contacts → | ||||
Indirect evidence “Cornelius UK Ltd provides for customers the highest level of quality construction services at market competitive prices.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 71 contacts → | ||||
Partial evidence “With over 30 years of experience, Schüco UK Ltd is a leading building envelope specialist supplying high-quality system solutions in aluminium and steel for windows, doors…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 71 contacts → | ||||
Strong evidence “An award-winning designer, fabricator and installer of UPVC and aluminium windows, doors and curtain walling, Unique Window Systems Ltd specialises in the supply of quality…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 70 contacts → | ||||
Indirect evidence “Over the past forty years, Smart Architectural Aluminium has built a reputation both for the quality of our products and for our product innovation, design and technical expertise.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 60 contacts → | ||||
Strong evidence “Senior Architectural Systems (Senior) is one of the UK's leading manufacturers of aluminium fenestration solutions.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 58 contacts → | ||||
Strong evidence “Britplas are experts in the design, fabrication and installation of all types of commercial glazing and curtain walling, including Schueco, Kawneer, Aluprof and Smart systems as…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 57 contacts → | ||||
Strong evidence “JPJ Installations Ltd are specialists in Aluminium Glazing Systems including Curtain Wall, Framing, Door and Window Systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 56 contacts → | ||||
Partial evidence “Express Bi Folding Doors are the UK's leading manufacturer & installer of bespoke aluminium products.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 56 contacts → | ||||
Strong evidence “Fleetwood Architectural Aluminium (FAA) is one of the UK’s leading designers, manufacturers and installers of aluminium curtain walling, facades, windows and doors.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 55 contacts → | ||||
Indirect evidence “Century Facades is a leading specialist facade contractor committed to delivering high-quality exterior solutions with precision and professionalism.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 52 contacts → | ||||
Partial evidence “Novum Structures specialises in the design, engineering, fabrication, supply, and installation of membrane systems (ETFE, PTFE, PVC), structural glazing, supporting structures…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 46 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 44 contacts → | ||||
Indirect evidence “Vision Arch has been designing and installing high-quality bespoke architectural facades, roof glazing, and glass atria for over 26 years now, mainly within the commercial sector.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 37 contacts → | ||||
Partial evidence “Aluprof is the leading European producer of aluminium building systems for both commercial and individual construction industries.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 35 contacts → | ||||
Partial evidence “RED Systems helps main contractors and developers plan and deliver £1m to £10m packages across higher-risk residential, mixed-use and regeneration projects.” 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: curtain wall system 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 curtain wall system manufacturers.
- Partial evidence
- Its own public description names part of curtain wall system manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name curtain wall system 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 523 curtain wall system manufacturers based in the United Kingdom
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Curtain wall system 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 523 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 curtain wall system 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 “curtain wall system 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 curtain wall system 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 curtain wall system 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, 1,867 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.
Curtain wall system manufacturers by metro
- Curtain wall system manufacturers in London73
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 curtain wall system 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 curtain wall system manufacturers are there based in the United Kingdom?
RevenueBase identified 523 curtain wall system 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?
Optima Systems, headquartered in High Wycombe, tops this list with the largest team on record.
Which city has the most curtain wall system manufacturers?
London leads with 73 headquartered companies, followed by Birmingham (8) and Glasgow (8).
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 1,867 verified decision-maker contacts tracked across these 523 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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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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