Company lists · Data refreshed October 2026

Top 25 Building envelope optimization firms based in London, United Kingdom

Name: Building envelope optimization firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 85 companies tracked

RevenueBase identified 85 company matches for building envelope optimization firms associated with London, United Kingdom as of October 2026 and tracks 973 professional contacts across them, including 390 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for building envelope optimization firms associated with London, 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 9, 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 9, 2026 How this list was built

85Companies

973Contacts tracked

390Verified emails

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The 25 largest building envelope optimization firms based in London, United Kingdom

Ranked by team size

Top 25 of 85 company matches for building envelope optimization firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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	Josef Gartner	Exact match	London, United KingdomHQ recorded Oct 9, 2026	501-1,000	158 contacts →
	Exact match “We are part of Permasteelisa Group - the leading international façade specialist that has been shaping city skylines worldwide for generations.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	Asfd Engineered Design	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	153 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	Novum Structures Europe	Exact match	London, United KingdomHQ recorded Oct 9, 2026	201-500	52 contacts →
	Exact match “Novum Structures specialises in the design, engineering, fabrication, supply, and installation of membrane systems (ETFE, PTFE, PVC), structural glazing, supporting structures…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	Bailey	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	40 contacts →
	Exact match “Bailey Total Building Envelope is a leading specialist in the manufacture and supply of building envelope systems, including roofing, façade, soffits and fascia's.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	Fmdc LTD	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	38 contacts →
	Exact match “FMDC are the leading design and engineering consultancy for facades and building materials.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	Integration	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	33 contacts →
	Exact match “We’re helping to create a world where every building is truly zero carbon.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	Effisus	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	33 contacts →
	Exact match “Effisus is a leading provider of innovative solutions that seamlessly blend Efficiency and Sustainability, delivering integrated systems with superior quality and high added value.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Etopia	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	27 contacts →
	Exact match “Sustainable Building Innovation.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	Fortis Facades	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	23 contacts →
	Exact match “We are a Façade Engineering Consultancy which combines a multidisciplinary approach with additional accountable safety and environmental services to our clients, so that…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	Vivalda Group	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	18 contacts →
	Exact match “VIVALDA Group is the UK's number 1 distributor of innovative building envelopes and fixing systems to the construction industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	Henriksen Studio	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	12 contacts →
	Exact match “At Henriksen Studio, our mission is to enhance the performance of both new and existing buildings.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Interface Facade Engineering	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	10 contacts →
	Exact match “We are a dedicated facade engineering consultancy.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	EK Facades	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	10 contacts →
	Exact match “EK Facades is a reputable cladding contractor known for its expertise in enhancing the aesthetic and functional aspects of buildings.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	BTP Consultants	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	10 contacts →
	Exact match “We design mechanical and electrical systems, advise on all aspects of energy, carbon reduction and building physics.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	TGM Façades UK LTD	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	9 contacts →
	Exact match “Freedom of appearance A high-tech distinctive façade makes an impression; it gives your building a face and serves it as a business card.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Skonto Plan UK LTD	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	6 contacts →
	Exact match “Design, fabrication and installation of bespoke unitised and stick facade systems.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Horizon Facades LTD A Regency Homes Group Company	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	5 contacts →
	Exact match “We are a specialist cladding contractor offering full turnkey cladding solutions which include full design, supply, removal, and installation on new and existing buildings across…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	KFK Design LTD	Exact match	London, United KingdomHQ recorded Oct 9, 2026	1-10	5 contacts →
	Exact match “Experience in materials science, weatherproofing technology, architectural detailing and construction management.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Trade Insulations LTD	Exact match	London, United KingdomHQ recorded Oct 9, 2026	1-10	5 contacts →
	Exact match “At Trade Insulations Ltd, we supply high quality insulation at low trade prices.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	Comfort Frame IWI	Exact match	London, United KingdomHQ recorded Oct 9, 2026	1-10	3 contacts →
	Exact match “Introducing Comfort Frame: Raising the Standard for Internal Wall Insulation Comfort Frame combines the confidence of KIWA Agrément certification with the advantages of off-site…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	Inside Outside Engineering	Exact match	London, United KingdomHQ recorded Oct 9, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	SGI Installers LTD	Exact match	London, United KingdomHQ recorded Oct 9, 2026	1-10	2 contacts →
	Exact match “SGI Installers Ltd is a thermal insulation specialist whose integrity and commitment to quality cannot be faulted.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	WO Construction LTD	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	2 contacts →
	Exact match “WO Construction Limited is the UK’s specialist building contractor that specializes in a comprehensive spectrum of façade systems.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	Rayment Structures	Exact match	London, United KingdomHQ recorded Oct 9, 2026	1-10	2 contacts →
	Exact match “In a world of limited resources and funds, it has never been more important to achieve more with less.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	A1 Facades Limited	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	1 contacts →
	Exact match “We are the UK & Ireland's number 1 the ultimate one stop shop supplier of leading façade brands, building boards, composite panels, decorative cladding, insulation, aluminium door…” Recorded in the RevenueBase company graph · Oct 9, 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 “building envelope optimization firms”. 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 85 building envelope optimization firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 390 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building envelope optimization firms based in London, United Kingdom at a glance

As of Oct 9, 2026

40.1%Verified-email coverage

11.4Average contacts per company

11-50Median size (employees)

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 85 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 London, United Kingdom whose business descriptions match “building envelope optimization firms” 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 390 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 9, 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 “building envelope optimization firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building envelope optimization firms are there based in London, United Kingdom?

RevenueBase identified 85 company matches for building envelope optimization firms associated with London, 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?

Josef Gartner tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most building envelope optimization firms?

London leads the United Kingdom with 85 company records, followed by Manchester (17) and Glasgow (16).

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 390 professional contacts with verified work emails tracked across these 85 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 9, 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.