Company lists · Data refreshed October 2026
Top 25 Energy efficient window companies based in the United Kingdom
RevenueBase identified 178 company matches for energy efficient window companies associated with the United Kingdom as of October 2026 and tracks 1,370 professional contacts across them, including 405 with verified work emails. London is the largest hub.
This list covers company matches for energy efficient window companies 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.
The 25 largest energy efficient window companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 230 contacts → | ||||
Exact match “First Home Improvements traces its roots to the 1970's and prides itself on installing highly innovative A rated energy saving products unrivaled by many others within our…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 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 | |||||
| 3 | 47 contacts → | ||||
Exact match “For 50 years in business, Munster Joinery is now among Europe's largest manufacturers of energy-efficient windows and doors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 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 | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 27 contacts → | ||||
Exact match “Crystal Units Limited is a Glass Manufacturing company based out of 100 West Hendon Broadway, London, United Kingdom.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 17 contacts → | ||||
Exact match “Exterior Plas Limited is a construction company based out of Old Station Rd, Loughton, United Kingdom.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 15 contacts → | ||||
Exact match “At REHAU, we understand that our customers want windows that are not only high-quality, safe and stylish, but also innovative and eco-friendly.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “Distinctive by DESIGN.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “At Made for Trade Windows we pride ourselves in providing the highest quality, energy efficient windows and doors at the most competitive prices.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “Classic Windows, ‘Manufacturer of Windows and Doors’, has been offering high-quality products and service for almost a quarter of a decade.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Introducing our innovative and eco-friendly solution for your windows - bespoke secondary glazing panes that provide numerous benefits!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “Founded in 1995, Westcoast Windows has brought to the industry a wealth of innovative design and production experience to become one of Scandinavia's leading manufacturers of…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Spectrum Architectural Glazing Ltd are suppliers and installers of premium high-performance composite windows and doors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “Passivlux has been established with the specific purpose of supplying high-quality performance windows and doors to all sectors of the construction industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “At 1st Homes we believe that our unrivaled years of experience combined with the most up to date technology and the finest products available in the market place today, coupled…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Right Price is a local, independent company, and a well-established name throughout the South West new build market.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “We enhance people’s homes and as a result, their comfort of living.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “It all started back in 2009 when, Rob, one of the founders, was working for a big double glazing company.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Benchmark Windows Ltd are a newly founded, forward thinking, customer centric company born from more than fifty years of combined window industry experience.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Solar Sentry offers a wide range of window films that will reduce the solar heat gain in summer, keep the heat from escaping during the winter, reduce annoying glare without the…” 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 “energy efficient window companies”. 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 178 energy efficient window companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 405 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy efficient window companies based in the United Kingdom at a glance
As of Oct 12, 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 178 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 “energy efficient window companies” 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 405 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 “energy efficient window companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficient window companies are there based in the United Kingdom?
RevenueBase identified 178 company matches for energy efficient window companies 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?
First Home Improvements tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most energy efficient window companies?
London leads with 12 company records, followed by Glasgow (8) and Norwich (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 405 professional contacts with verified work emails tracked across these 178 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.
Ready to reach these companies? Verified emails and direct dials for all 178 energy efficient window companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Energy efficient window companies by geography
- Energy efficient window companies based in Australia
- Energy efficient window companies based in Belgium
- Energy efficient window companies based in Canada
- Energy efficient window companies based in France
- Energy efficient window companies based in Germany
- Energy efficient window companies based in India
- Energy efficient window companies based in Italy
- Energy efficient window companies based in the Netherlands
- Energy efficient window companies based in New Zealand
- Energy efficient window companies based in Spain
- Energy efficient window companies based in Switzerland
- Energy efficient window companies based in the United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy efficient window companies based in Australia
- Energy efficient window companies based in Belgium
- Energy efficient window companies based in Canada
- Energy efficient window companies based in France
- Energy efficient window companies based in Germany
- Energy efficient window companies based in India
Company intelligence · public preview
Top 25 energy efficient window companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 178 matching company records for energy efficient window companies based in the United Kingdom, with 1,370 tracked contacts and 405 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 12, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 energy efficient window companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | First Home Improvementsfirsthomeimprovements.co.uk HQ: Norwich, United KingdomReported employees: 201-500 | Norwich, United Kingdom | 201-500 | Exact match | 230 contacts → |
“First Home Improvements traces its roots to the 1970's and prides itself on installing highly innovative A rated energy saving products unrivaled by many others within our…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nordan UK LTDnordan.co.uk HQ: Livingston, United KingdomReported employees: 51-200 | Livingston, United Kingdom | 51-200 | Exact match | 152 contacts → |
“NorDan is one of Europe’s leading manufacturers of high performance windows, doors and smart accessories.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Munster Joinery U.Kmunsterjoinery.co.uk HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 47 contacts → |
“For 50 years in business, Munster Joinery is now among Europe's largest manufacturers of energy-efficient windows and doors.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Dekko Window Systems LTDdekkowindows.com HQ: Ashton-under-lyne, United KingdomReported employees: 51-200 | Ashton-under-lyne, United Kingdom | 51-200 | Exact match | 44 contacts → |
“DEKKO WINDOW SYSTEMS LIMITED Manufacturers of a wide range of glazing products for professional installation companies.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Russell Timber Technologyrusselltimbertech.co.uk HQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 43 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Joedan Windows & Doorsjoedan.co.uk HQ: Tewkesbury, United KingdomReported employees: 201-500 | Tewkesbury, United Kingdom | 201-500 | Exact match | 38 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | FABCOfabcosanctuary.com HQ: Climping, United KingdomReported employees: 51-200 | Climping, United Kingdom | 51-200 | Exact match | 30 contacts → |
“Our creativity and technology continue to transform the steel window industry.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Everglade Windows LTDeverglade.co.uk HQ: Greenford, United KingdomReported employees: 51-200 | Greenford, United Kingdom | 51-200 | Exact match | 29 contacts → |
“At Everglade Windows, we are devoted to progressive thinking and pushing boundaries.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Crystal Units Limitedcrystalunits.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 27 contacts → |
“Crystal Units Limited is a Glass Manufacturing company based out of 100 West Hendon Broadway, London, United Kingdom.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | NEW World Developments Limitednwd.uk.com HQ: Ballymena, United KingdomReported employees: 201-500 | Ballymena, United Kingdom | 201-500 | Exact match | 21 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Exterior Plasexteriorplas.co.uk HQ: Loughton, United KingdomReported employees: 11-50 | Loughton, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Exterior Plas Limited is a construction company based out of Old Station Rd, Loughton, United Kingdom.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Rehau UKwindow.rehau.com HQ: Ross-on-wye, United KingdomReported employees: 201-500 | Ross-on-wye, United Kingdom | 201-500 | Exact match | 15 contacts → |
“At REHAU, we understand that our customers want windows that are not only high-quality, safe and stylish, but also innovative and eco-friendly.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ecohaus Windows & Doorsecohausuk.com HQ: Stroud, United KingdomReported employees: 11-50 | Stroud, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Distinctive by DESIGN.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Made For Trade Windows LTDmftwindows.co.uk HQ: Glasgow, United KingdomReported employees: 11-50 | Glasgow, United Kingdom | 11-50 | Exact match | 10 contacts → |
“At Made for Trade Windows we pride ourselves in providing the highest quality, energy efficient windows and doors at the most competitive prices.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Classic Windowsclassicwindows-ne.co.uk HQ: Stanley, United KingdomReported employees: 11-50 | Stanley, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Classic Windows, ‘Manufacturer of Windows and Doors’, has been offering high-quality products and service for almost a quarter of a decade.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gecko Glazinggeckoglazing.co.uk HQ: Edinburgh, United KingdomReported employees: 1-10 | Edinburgh, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Introducing our innovative and eco-friendly solution for your windows - bespoke secondary glazing panes that provide numerous benefits!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Westcoast Window Systems LTDwestcoastwindows.com HQ: Woolpit, United KingdomReported employees: 51-200 | Woolpit, United Kingdom | 51-200 | Exact match | 6 contacts → |
“Founded in 1995, Westcoast Windows has brought to the industry a wealth of innovative design and production experience to become one of Scandinavia's leading manufacturers of…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Spectrum Architectural Glazing LTDspectrumarchitectural.com HQ: Newport, United KingdomReported employees: 11-50 | Newport, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Spectrum Architectural Glazing Ltd are suppliers and installers of premium high-performance composite windows and doors.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Passivluxpassivlux.com HQ: Whitstable, United KingdomReported employees: 1-10 | Whitstable, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Passivlux has been established with the specific purpose of supplying high-quality performance windows and doors to all sectors of the construction industry.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 1st Homes1sthomes.co.uk HQ: Colchester, United KingdomReported employees: 1-10 | Colchester, United Kingdom | 1-10 | Exact match | 6 contacts → |
“At 1st Homes we believe that our unrivaled years of experience combined with the most up to date technology and the finest products available in the market place today, coupled…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Right Price Pvcu Limitedrightpricewindows.co.uk HQ: Plymouth, United KingdomReported employees: 11-50 | Plymouth, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Right Price is a local, independent company, and a well-established name throughout the South West new build market.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ERG Scotland Limitedergscotland.co.uk HQ: Invergordon, United KingdomReported employees: 11-50 | Invergordon, United Kingdom | 11-50 | Exact match | 5 contacts → |
“We enhance people’s homes and as a result, their comfort of living.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Truglaze Windows Limitedtruglaze.co.uk HQ: Camberley, United KingdomReported employees: 11-50 | Camberley, United Kingdom | 11-50 | Exact match | 5 contacts → |
“It all started back in 2009 when, Rob, one of the founders, was working for a big double glazing company.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Benchmark Windows LTDbenchmarkwindows.co.uk HQ: Lancing, United KingdomReported employees: 1-10 | Lancing, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Benchmark Windows Ltd are a newly founded, forward thinking, customer centric company born from more than fifty years of combined window industry experience.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Solar Sentry Window Films LTDsolarsentry.co.uk HQ: Worcester, United KingdomReported employees: 1-10 | Worcester, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Solar Sentry offers a wide range of window films that will reduce the solar heat gain in summer, keep the heat from escaping during the winter, reduce annoying glare without the…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 178 company matches
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Energy efficient window companies: dataset insights
October 12, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
173 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 178 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 12, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for energy efficient window companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many energy efficient window companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 178 matching company records, 1,370 tracked contacts and 405 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 12, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Energy efficient window companies by geography
- Energy efficient window companies based in Australia
- Energy efficient window companies based in Belgium
- Energy efficient window companies based in Canada
- Energy efficient window companies based in France
- Energy efficient window companies based in Germany
- Energy efficient window companies based in India
- Energy efficient window companies based in Italy
- Energy efficient window companies based in the Netherlands
- Energy efficient window companies based in New Zealand
- Energy efficient window companies based in Spain
- Energy efficient window companies based in Switzerland
- Energy efficient window companies based in the United States
Cite this list
RevenueBase Data Team. Top 25 energy efficient window companies based in the United Kingdom. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficient-window-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy efficient window companies based in Australia
- Energy efficient window companies based in Belgium
- Energy efficient window companies based in Canada
- Energy efficient window companies based in France
- Energy efficient window companies based in Germany
- Energy efficient window companies based in India
Company intelligence · public preview
Top 25 energy efficient window companies based in the United Kingdom
RevenueBase records 178 matching company records for energy efficient window companies based in the United Kingdom, with 1,370 tracked contacts and 405 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 12, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 energy efficient window companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | First Home Improvementsfirsthomeimprovements.co.uk HQ: Norwich, United KingdomReported employees: 201-500 | Norwich, United Kingdom | 201-500 | Exact match | 230 contacts → |
“First Home Improvements traces its roots to the 1970's and prides itself on installing highly innovative A rated energy saving products unrivaled by many others within our…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nordan UK LTDnordan.co.uk HQ: Livingston, United KingdomReported employees: 51-200 | Livingston, United Kingdom | 51-200 | Exact match | 152 contacts → |
“NorDan is one of Europe’s leading manufacturers of high performance windows, doors and smart accessories.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Munster Joinery U.Kmunsterjoinery.co.uk HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 47 contacts → |
“For 50 years in business, Munster Joinery is now among Europe's largest manufacturers of energy-efficient windows and doors.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Dekko Window Systems LTDdekkowindows.com HQ: Ashton-under-lyne, United KingdomReported employees: 51-200 | Ashton-under-lyne, United Kingdom | 51-200 | Exact match | 44 contacts → |
“DEKKO WINDOW SYSTEMS LIMITED Manufacturers of a wide range of glazing products for professional installation companies.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Russell Timber Technologyrusselltimbertech.co.uk HQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 43 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Joedan Windows & Doorsjoedan.co.uk HQ: Tewkesbury, United KingdomReported employees: 201-500 | Tewkesbury, United Kingdom | 201-500 | Exact match | 38 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | FABCOfabcosanctuary.com HQ: Climping, United KingdomReported employees: 51-200 | Climping, United Kingdom | 51-200 | Exact match | 30 contacts → |
“Our creativity and technology continue to transform the steel window industry.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Everglade Windows LTDeverglade.co.uk HQ: Greenford, United KingdomReported employees: 51-200 | Greenford, United Kingdom | 51-200 | Exact match | 29 contacts → |
“At Everglade Windows, we are devoted to progressive thinking and pushing boundaries.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Crystal Units Limitedcrystalunits.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 27 contacts → |
“Crystal Units Limited is a Glass Manufacturing company based out of 100 West Hendon Broadway, London, United Kingdom.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | NEW World Developments Limitednwd.uk.com HQ: Ballymena, United KingdomReported employees: 201-500 | Ballymena, United Kingdom | 201-500 | Exact match | 21 contacts → |
“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 description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Exterior Plasexteriorplas.co.uk HQ: Loughton, United KingdomReported employees: 11-50 | Loughton, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Exterior Plas Limited is a construction company based out of Old Station Rd, Loughton, United Kingdom.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Rehau UKwindow.rehau.com HQ: Ross-on-wye, United KingdomReported employees: 201-500 | Ross-on-wye, United Kingdom | 201-500 | Exact match | 15 contacts → |
“At REHAU, we understand that our customers want windows that are not only high-quality, safe and stylish, but also innovative and eco-friendly.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ecohaus Windows & Doorsecohausuk.com HQ: Stroud, United KingdomReported employees: 11-50 | Stroud, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Distinctive by DESIGN.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Made For Trade Windows LTDmftwindows.co.uk HQ: Glasgow, United KingdomReported employees: 11-50 | Glasgow, United Kingdom | 11-50 | Exact match | 10 contacts → |
“At Made for Trade Windows we pride ourselves in providing the highest quality, energy efficient windows and doors at the most competitive prices.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Classic Windowsclassicwindows-ne.co.uk HQ: Stanley, United KingdomReported employees: 11-50 | Stanley, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Classic Windows, ‘Manufacturer of Windows and Doors’, has been offering high-quality products and service for almost a quarter of a decade.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gecko Glazinggeckoglazing.co.uk HQ: Edinburgh, United KingdomReported employees: 1-10 | Edinburgh, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Introducing our innovative and eco-friendly solution for your windows - bespoke secondary glazing panes that provide numerous benefits!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Westcoast Window Systems LTDwestcoastwindows.com HQ: Woolpit, United KingdomReported employees: 51-200 | Woolpit, United Kingdom | 51-200 | Exact match | 6 contacts → |
“Founded in 1995, Westcoast Windows has brought to the industry a wealth of innovative design and production experience to become one of Scandinavia's leading manufacturers of…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Spectrum Architectural Glazing LTDspectrumarchitectural.com HQ: Newport, United KingdomReported employees: 11-50 | Newport, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Spectrum Architectural Glazing Ltd are suppliers and installers of premium high-performance composite windows and doors.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Passivluxpassivlux.com HQ: Whitstable, United KingdomReported employees: 1-10 | Whitstable, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Passivlux has been established with the specific purpose of supplying high-quality performance windows and doors to all sectors of the construction industry.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 1st Homes1sthomes.co.uk HQ: Colchester, United KingdomReported employees: 1-10 | Colchester, United Kingdom | 1-10 | Exact match | 6 contacts → |
“At 1st Homes we believe that our unrivaled years of experience combined with the most up to date technology and the finest products available in the market place today, coupled…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Right Price Pvcu Limitedrightpricewindows.co.uk HQ: Plymouth, United KingdomReported employees: 11-50 | Plymouth, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Right Price is a local, independent company, and a well-established name throughout the South West new build market.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ERG Scotland Limitedergscotland.co.uk HQ: Invergordon, United KingdomReported employees: 11-50 | Invergordon, United Kingdom | 11-50 | Exact match | 5 contacts → |
“We enhance people’s homes and as a result, their comfort of living.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Truglaze Windows Limitedtruglaze.co.uk HQ: Camberley, United KingdomReported employees: 11-50 | Camberley, United Kingdom | 11-50 | Exact match | 5 contacts → |
“It all started back in 2009 when, Rob, one of the founders, was working for a big double glazing company.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Benchmark Windows LTDbenchmarkwindows.co.uk HQ: Lancing, United KingdomReported employees: 1-10 | Lancing, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Benchmark Windows Ltd are a newly founded, forward thinking, customer centric company born from more than fifty years of combined window industry experience.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Solar Sentry Window Films LTDsolarsentry.co.uk HQ: Worcester, United KingdomReported employees: 1-10 | Worcester, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Solar Sentry offers a wide range of window films that will reduce the solar heat gain in summer, keep the heat from escaping during the winter, reduce annoying glare without the…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 178 company matches
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Energy efficient window companies: dataset insights
October 12, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
173 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 178 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 12, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for energy efficient window companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many energy efficient window companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 178 matching company records, 1,370 tracked contacts and 405 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 12, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 energy efficient window companies based in the United Kingdom. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficient-window-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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