Company lists · Data refreshed October 2026

Top 25 Fiberglass window frame manufacturers based in the United Kingdom

Name: Fiberglass window frame manufacturers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 301 companies tracked

RevenueBase identified 301 company matches for fiberglass window frame manufacturers associated with the United Kingdom as of October 2026 and tracks 3,066 professional contacts across them, including 822 with verified work emails. London is the largest hub.

This list covers company matches for fiberglass window frame manufacturers associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 12, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Oct 12, 2026 How this list was built

301Companies

3,066Contacts tracked

822Verified emails

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The 25 largest fiberglass window frame manufacturers based in the United Kingdom

Ranked by team size

Top 25 of 301 company matches for fiberglass window frame manufacturers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Nordan UK LTD	Exact match	Livingston, United KingdomHQ recorded Oct 12, 2026	51-200	152 contacts →
	Exact match “NorDan is one of Europe’s leading manufacturers of high performance windows, doors and smart accessories.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Nationwide Windows And Doors	Exact match	Rugby, United KingdomHQ recorded Oct 12, 2026	501-1,000	135 contacts →
	Exact match “Manufacturers and Installers of PVCu Windows and Doors,Composite and Fire Doors and Conservatories to the Retail, Trade and Commercial Sector.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Emplas Window Systems	Exact match	Wellingborough, United KingdomHQ recorded Oct 12, 2026	201-500	114 contacts →
	Exact match “Emplas is the window and door fabricator of choice, offering a complete range of premium-quality, high-security, energy-efficient windows and doors for the trade installer, new…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	KAT UK Macclesfield	Exact match	Macclesfield, United KingdomHQ recorded Oct 12, 2026	51-200	83 contacts →
	Exact match “KAT UK is a Macclesfield based manufacturer of specialist glazing products, including Aluminium and PVCu bifold doors, sliding patio doors, entrance doors, French doors, windows…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Unique Window Systems LTD	Exact match	Leicester, United KingdomHQ recorded Oct 12, 2026	201-500	72 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Polyframe	Exact match	Lenwade, United KingdomHQ recorded Oct 12, 2026	201-500	72 contacts →
	Exact match “Polyframe are a multi award-winning manufacturer of high quality windows, doors and conservatories.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	JPJ Installations LTD	Exact match	Braintree, United KingdomHQ recorded Oct 12, 2026	51-200	59 contacts →
	Exact match “JPJ Installations Ltd are specialists in Aluminium Glazing Systems including Curtain Wall, Framing, Door and Window Systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Glazerite UK Group LTD	Exact match	Wellingborough, United KingdomHQ recorded Oct 12, 2026	201-500	59 contacts →
	Exact match “Glazerite UK Group is a leading trade fabricator offering installers access to one of the most comprehensive product ranges in the industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Modplan Limited	Exact match	Gwent, United KingdomHQ recorded Oct 12, 2026	51-200	49 contacts →
	Exact match “Our business is to support your business Modplan is a trade-only fabricator.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Dekko Window Systems LTD	Exact match	Ashton-under-lyne, United KingdomHQ recorded Oct 12, 2026	51-200	44 contacts →
	Exact match “DEKKO WINDOW SYSTEMS LIMITED Manufacturers of a wide range of glazing products for professional installation companies.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Russell Timber Technology	Exact match	Glasgow, United KingdomHQ recorded Oct 12, 2026	51-200	43 contacts →
	Exact match “For over 55 years, Russell Timber Technology has been the UK’s leading manufacturer of energy efficient, sustainable, precision-engineered Timber and Alu-Clad windows, doors and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Joedan Windows & Doors	Exact match	Tewkesbury, United KingdomHQ recorded Oct 12, 2026	201-500	38 contacts →
	Exact match “At Joedan, we are a family run business with Retail Design Centres across the Midlands and Southern England; to include a Manufacturing Facility and a Commercial Division.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Hazlemere Group	Exact match	High Wycombe, United KingdomHQ recorded Oct 12, 2026	51-200	37 contacts →
	Exact match “Hazlemere is a family owned and run double glazing manufacturer and installer based in High Wycombe, Buckinghamshire.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Cotswold Architectural Products	Exact match	Cheltenham, United KingdomHQ recorded Oct 12, 2026	501-1,000	31 contacts →
	Exact match “Cotswold Architectural Products has been synonymous with excellence in the fenestration industry since 1976, when we became the first company in the UK to manufacture friction…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	FABCO	Exact match	Climping, United KingdomHQ recorded Oct 12, 2026	51-200	30 contacts →
	Exact match “Our creativity and technology continue to transform the steel window industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Everglade Windows LTD	Exact match	Greenford, United KingdomHQ recorded Oct 12, 2026	51-200	29 contacts →
	Exact match “At Everglade Windows, we are devoted to progressive thinking and pushing boundaries.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Maxlight LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	28 contacts →
	Exact match “Maxlight Ltd is a London based manufacturing company specialising in high end glass doors as well as other glass structures for our exacting clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Kloeber UK LTD	Exact match	Somersham, United KingdomHQ recorded Oct 12, 2026	51-200	28 contacts →
	Exact match “Kloeber offer high quality doors, windows and advanced glazing products.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Sternfenster	Exact match	Lincoln, United KingdomHQ recorded Oct 12, 2026	51-200	24 contacts →
	Exact match “Established in 1974, Sternfenster has always been a family-run business dedicated to delivering high quality products, exceptional service, and long-term support to the trade and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Futuremost Limited	Exact match	Portsmouth, United KingdomHQ recorded Oct 12, 2026	11-50	23 contacts →
	Exact match “Manufacturers and installers of aluminium and uPVC windows, doors, shop fronts and screens.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Direct Trade Yorkshire LTD	Exact match	Doncaster, United KingdomHQ recorded Oct 12, 2026	201-500	21 contacts →
	Exact match “Established in 1998, Direct Trade are one of the UK’s leading trade window, door and conservatory fabricators.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	NEW World Developments Limited	Exact match	Ballymena, United KingdomHQ recorded Oct 12, 2026	201-500	21 contacts →
	Exact match “NEW WORLD DEVELOPMENTS LIMITED manufactures a range of window and doors and is based out of Woodside Road Industrial Estate, Ballymena, CO.ANTRIM, United Kingdom.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Central Window Systems LTD	Exact match	West Bromwich, United KingdomHQ recorded Oct 12, 2026	51-200	20 contacts →
	Exact match “Single Source Supplier” for retail & commercial fenestration products to installers nationwide.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Frame Fast UK LTD	Exact match	Derby, United KingdomHQ recorded Oct 12, 2026	51-200	19 contacts →
	Exact match “Frame Fast (UK) Ltd is the region’s largest trade fabricator of PVC-U and aluminium doors, windows, conservatories and glass.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Salisbury Glass Centre Limited	Exact match	Fordingbridge, United KingdomHQ recorded Oct 12, 2026	11-50	19 contacts →
	Exact match “SALISBURY GLASS CENTRE LIMITED is a company based out of Fordingbridge, Hampshire, United Kingdom.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “fiberglass window frame manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 301 fiberglass window frame manufacturers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 822 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fiberglass window frame manufacturers based in the United Kingdom at a glance

As of Oct 12, 2026

26.8%Verified-email coverage

10.2Average contacts per company

11-50Median size (employees)

5.6%Largest-city concentration · London

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

118

11-50

114

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 301 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United Kingdom whose business descriptions match “fiberglass window frame manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 822 professional contacts with verified work emails across the full matched dataset. 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 October 12, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “fiberglass window frame manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fiberglass window frame manufacturers are there based in the United Kingdom?

RevenueBase identified 301 company matches for fiberglass window frame manufacturers associated with the United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Nordan UK LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most fiberglass window frame manufacturers?

London leads with 17 company records, followed by Leeds (6) and Derby (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 822 professional contacts with verified work emails tracked across these 301 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 12, 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 SmartSearch, 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.