Company lists · Data refreshed September 2026

Top 25 Building envelope solutions providers based in the United Kingdom

RevenueBase identified 1,237 building envelope solutions providers headquartered in the United Kingdom as of September 2026 and tracks 22,377 professional contacts across them, including 8,575 with verified work emails. London is the largest hub.

This list covers building envelope solutions providers headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review
1,237Companies
22,377Contacts tracked
8,575Verified emails
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The 25 largest building envelope solutions providers based in the United Kingdom

Ranked by team size
Top 25 of 1,237 building envelope solutions providers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to building envelope solutions providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceReading, United KingdomHQ checked Sep 16, 20265,001-10,0002,448 contacts →

Indirect evidence

“BMI Group was born out of the recognition that customers now expect a single point of expertise to help them find their ideal roof.”

Source: RevenueBase Database · checked Sep 16, 2026
2Indirect evidenceSheffield, United KingdomHQ checked Sep 16, 20265,001-10,0001,059 contacts →

Indirect evidence

“SIG is a leading pan-European provider of specialist construction and insulation products.”

Source: RevenueBase Database · checked Sep 16, 2026
3Strong evidenceIbstock, United KingdomHQ checked Sep 16, 20261,001-5,000490 contacts →

Strong evidence

“We offer a diverse range of building products, solutions and expert technical and design services that enable our customers to create inspirational spaces and places.”

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceLoughborough, United KingdomHQ checked Sep 16, 20261,001-5,000481 contacts →

Partial evidence

“British Gypsum is the UK’s leading manufacturer of high-performance drylining solutions, that deliver sustainability and performance for people and our planet.”

Source: RevenueBase Database · checked Sep 16, 2026
5Partial evidenceCheadle, United KingdomHQ checked Sep 16, 20261,001-5,000413 contacts →

Partial evidence

“wienerberger UK & Ireland is building for what’s next-empowering the construction industry to create a sustainable future.”

Source: RevenueBase Database · checked Sep 16, 2026
6Indirect evidenceWetherby, United KingdomHQ checked Sep 16, 2026501-1,000328 contacts →

Indirect evidence

“Insulation, drywall, ceilings, construction products, external facades, flooring, partitioning, passive fire protection: whatever your project, Encon has the product range…”

Source: RevenueBase Database · checked Sep 16, 2026
7Strong evidenceAltrincham, United KingdomHQ checked Sep 16, 202651-200254 contacts →

Strong evidence

“FK is a national, full building envelope contractor, specialising in roofing, cladding, glazing and maintenance across a diverse range of sectors.”

Source: RevenueBase Database · checked Sep 16, 2026
8Partial evidenceIpswich, United KingdomHQ checked Sep 16, 2026201-500231 contacts →

Partial evidence

“Bauder is a manufacturer and supplier of flat roof waterproofing systems, which are complemented by high quality green roof and PV solutions.”

Source: RevenueBase Database · checked Sep 16, 2026
9Indirect evidenceCoventry, United KingdomHQ checked Sep 16, 2026201-500214 contacts →

Indirect evidence

“Minster is one of the largest growing national specialist insulation and dry lining distributors in the UK.”

Source: RevenueBase Database · checked Sep 16, 2026
10Strong evidenceBishop Auckland, United KingdomHQ checked Sep 16, 2026201-500172 contacts →

Strong evidence

“CA Group is the UK's largest manufacturer and contractor of built-up building envelope systems.”

Source: RevenueBase Database · checked Sep 16, 2026
11Indirect evidenceSheffield, United KingdomHQ checked Sep 16, 2026201-500167 contacts →

Indirect evidence

“At Galaxy Insulation & Dry Lining, we’re your nationwide trusted distribution and technical partner.”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceGillingham, United KingdomHQ checked Sep 16, 202651-200166 contacts →

Indirect evidence

“Lawtech Group is a Principal Contractor and Principal Designer with in-house expertise in cladding systems and fire safety works.”

Source: RevenueBase Database · checked Sep 16, 2026
13Partial evidenceWigan, United KingdomHQ checked Sep 16, 2026201-500165 contacts →

Partial evidence

“For over 100 years, we have been producing some of the industry's most innovative roofing, waterproofing, insulation, and infrastructure solutions.”

Source: RevenueBase Database · checked Sep 16, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 16, 2026501-1,000164 contacts →

Indirect evidence

“We are part of Permasteelisa Group - the leading international façade specialist that has been shaping city skylines worldwide for generations.”

Source: RevenueBase Database · checked Sep 16, 2026
15Strong evidenceMaesteg, United KingdomHQ checked Sep 16, 2026201-500158 contacts →

Strong evidence

“Siderise is a global expert in the design, manufacture, and supply of high-performance passive fire protection solutions for the building envelope.”

Source: RevenueBase Database · checked Sep 16, 2026
16Indirect evidenceMoira, United KingdomHQ checked Sep 16, 2026201-500135 contacts →

Indirect 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, 2026
17Indirect evidenceSwansea, United KingdomHQ checked Sep 16, 20261,001-5,000132 contacts →

Indirect evidence

“PRESS GLASS WE ARE HERE TO MAKE A DIFFERENCE.”

Source: RevenueBase Database · checked Sep 16, 2026
18Indirect evidenceBallymena, United KingdomHQ checked Sep 16, 202651-200128 contacts →

Indirect evidence

“Determined to engage at the earliest stage of a project, we act as a central hub for clients offering a complete end-to-end facade service from pre-construction to project…”

Source: RevenueBase Database · checked Sep 16, 2026
19Strong evidenceWarwickshire, United KingdomHQ checked Sep 16, 202651-200127 contacts →

Strong evidence

“Alumet are one of the UK’s premier building envelope contractors.”

Source: RevenueBase Database · checked Sep 16, 2026
20Partial evidenceLondon, United KingdomHQ checked Sep 16, 202651-200125 contacts →

Partial evidence

“ASFD Ltd is the design and engineering team of McMullen Facades and part of the established JRL Group, providing integrated construction solutions and delivering complex real…”

Source: RevenueBase Database · checked Sep 16, 2026
21Strong evidenceSt Helens, United KingdomHQ checked Sep 16, 202651-200119 contacts →

Strong evidence

“We are passionate about our purpose to provide high-quality, low carbon, sustainable building products, systems and solutions which help to manage the scarce resources of water…”

Source: RevenueBase Database · checked Sep 16, 2026
22Strong evidenceCardiff, United KingdomHQ checked Sep 16, 2026201-500116 contacts →

Strong evidence

“We are an international supplier of architectural metal building solutions to the construction industry.”

Source: RevenueBase Database · checked Sep 16, 2026
23Partial evidenceDaventry, United KingdomHQ checked Sep 16, 202651-200115 contacts →

Partial evidence

“At Langley, our vision is to provide innovative roofscape solutions that have a lasting, positive impact on people, places, products and our planet.”

Source: RevenueBase Database · checked Sep 16, 2026
24Strong evidenceLeeds, United KingdomHQ checked Sep 16, 202651-200106 contacts →

Strong evidence

“Everlast specialises in the building envelope, our unique one - stop approach encompasses delivering waterproof roof coverings and cladding aesthetics for both new build…”

Source: RevenueBase Database · checked Sep 16, 2026
25Indirect evidenceFinchampstead, United KingdomHQ checked Sep 16, 202651-200104 contacts →

Indirect evidence

“Established in 1980, InstaGroup are a UK leader in the energy efficiency industry, covering commercial and residential projects.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 1,237 building envelope solutions providers based in the United Kingdom

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Building envelope solutions providers based in the United Kingdom at a glance

As of Sep 16, 2026
38.3%Verified-email coverage
18.1Average contacts per company
11-50Median size (employees)
9.7%Largest-city concentration · London
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
475
11-50
489
51-200
204
201-500
34
501-1,000
10
1,001-5,000
13
5,001-10,000
4
10001+
2

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 1,237 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 building envelope solutions providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “building envelope solutions providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names building envelope solutions providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among building envelope solutions providers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 8,575 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.

Building envelope solutions providers by metro

  • Building envelope solutions providers in London120

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 building envelope solutions providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many building envelope solutions providers are there based in the United Kingdom?

RevenueBase identified 1,237 building envelope solutions providers headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

BMI Group, headquartered in Reading, tops this list with the largest team on record.

Which city has the most building envelope solutions providers?

London leads with 120 headquartered companies, followed by Birmingham (23) and Manchester (22).

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 8,575 verified decision-maker contacts tracked across these 1,237 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.

Ready to reach these companies? Verified emails and direct dials for all 1,237 building envelope solutions providers 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.