Company lists · Data refreshed October 2026
Top 25 Energy efficient building design firms based in London, United Kingdom
RevenueBase identified 241 company matches for energy efficient building design firms associated with London, United Kingdom as of October 2026 and tracks 3,376 professional contacts across them, including 1,609 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for energy efficient building design 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 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 building design firms based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 311 contacts → | ||||
Exact match “As environmental design consultants, building services engineers and lighting designers, we are committed to high performance and sustainable design within the built environment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 216 contacts → | ||||
Exact match “Max Fordham LLP is a partnership of engineers, designers and consultants, working with the built environment, to deliver a sustainable future and a thriving planet.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 3 | 88 contacts → | ||||
Exact match “Jestico + Whiles is an award-winning international architecture and interior design practice based in Clerkenwell, London.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 77 contacts → | ||||
Exact match “We are a multidisciplinary group with backgrounds in engineering, architecture and environmental science, working as consultants for buildings, large developments and masterplans…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 5 | 75 contacts → | ||||
Exact match “Bennetts Associates is one of the UK’s leading architectural practices, recognised for creating elegant, human-centred buildings through an ethos of doing ‘More With Less’.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 6 | 64 contacts → | ||||
Exact match “Architype Ltd is an architectural practice working from offices in Hereford, London and Edinburgh.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 7 | 60 contacts → | ||||
Exact match “We are an award-winning architectural practice specialising in the design of low energy, low environmental impact buildings, cost effectively and to the highest quality standards.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 8 | 59 contacts → | ||||
Exact match “We are architects and urbanists, design custodians of places where people can live, work and enjoy every shade of life in between.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 9 | 51 contacts → | ||||
Exact match “dRMM are radical makers of sustainable, socially useful architecture.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 48 contacts → | ||||
Exact match “We are a team of sustainability engineers passionate about creating buildings with a positive impact on the environment and the community.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 11 | 45 contacts → | ||||
Exact match “We are a team of like-minded individuals delivering a commercially designed building services solution; we pride ourselves on the quality of our product.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 38 contacts → | ||||
Exact match “Skelly & Couch is a leading environmental engineering practice with offices in London, Bristol, and Newcastle.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 37 contacts → | ||||
Exact match “We are a 20-person employee-owned architecture practice with studios in London and Nottingham.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 14 | 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 12, 2026 · View company records in RevenueBase | |||||
| 15 | 33 contacts → | ||||
Exact match “Envision is a specialist sustainability, energy and net zero design consultancy offering strategic and technical advice within the built environment and to businesses wishing to…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 16 | 31 contacts → | ||||
Exact match “We are thinkers, doers, designers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 17 | 30 contacts → | ||||
Exact match “astudio is an award-winning, architectural practice committed to delivering high-quality, innovative design across a range of sectors - Commercial, Residential, Education…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 18 | 29 contacts → | ||||
Exact match “We’re Ayre Chamberlain Gaunt, makers of responsible architecture that empowers clients and communities.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 19 | 28 contacts → | ||||
Exact match “Wright & Wright is an award-winning architectural practice based in London.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 20 | 27 contacts → | ||||
Exact match “Twin and Earth is an independent engineering and sustainability consultancy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 21 | 27 contacts → | ||||
Exact match “Waugh Thistleton Architects are a London based architectural practice working internationally to produce thoughtful and sustainable low carbon buildings.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 22 | 27 contacts → | ||||
Exact match “Since our inception in 2004, Marek Wojciechowski Architects have been driven by the pursuit of quality - a belief that our surroundings directly influence the quality of our lives.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 23 | 27 contacts → | ||||
Exact match “Build Generation is a specialist design & build firm providing new build and refurbishment solutions in the commercial, retail and residential sectors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 24 | 22 contacts → | ||||
Exact match “OR Consulting is an award winning environmental and low carbon building design consultancy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 25 | 21 contacts → | ||||
Exact match “Shepheard Epstein Hunter people function form: we are an experienced, award-winning architects’ practice, exceptionally diverse and typically 50% female, combining youthful…” 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 building design 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 241 energy efficient building design firms based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 1,609 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy efficient building design firms based in London, United Kingdom at a glance
As of Oct 12, 2026Companies by employee count
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 241 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 “energy efficient building design 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 1,609 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 building design firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficient building design firms are there based in London, United Kingdom?
RevenueBase identified 241 company matches for energy efficient building design 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?
Atelier TEN 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 energy efficient building design firms?
London leads the United Kingdom with 241 company records, followed by Manchester (23) and Bristol (22).
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 1,609 professional contacts with verified work emails tracked across these 241 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 241 energy efficient building design firms based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Energy efficient building design firms by geography
- Energy efficient building design firms based in Melbourne, Australia
- Energy efficient building design firms based in Sydney, Australia
- Energy efficient building design firms based in Vienna, Austria
- Energy efficient building design firms based in Sao Paulo, Brazil
- Energy efficient building design firms based in Calgary, Canada
- Energy efficient building design firms based in Montreal, Canada
- Energy efficient building design firms based in Toronto, Canada
- Energy efficient building design firms based in Vancouver, Canada
- Energy efficient building design firms based in Helsinki, Finland
- Energy efficient building design firms based in Lyon, France
- Energy efficient building design firms based in Paris, France
- Energy efficient building design firms based in Berlin, Germany
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 building design firms based in Melbourne, Australia
- Energy efficient building design firms based in Sydney, Australia
- Energy efficient building design firms based in Vienna, Austria
- Energy efficient building design firms based in Sao Paulo, Brazil
- Energy efficient building design firms based in Calgary, Canada
- Energy efficient building design firms based in Montreal, Canada
Company intelligence · public preview
Top 25 energy efficient building design firms based in London, 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 241 matching company records for energy efficient building design firms based in London, United Kingdom, with 3,376 tracked contacts and 1,609 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 building design firms based in London, 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 |  Atelier TENatelierten.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 311 contacts → |
“As environmental design consultants, building services engineers and lighting designers, we are committed to high performance and sustainable design within the built environment.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  MAX Fordham LLPmaxfordham.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 216 contacts → |
“Max Fordham LLP is a partnership of engineers, designers and consultants, working with the built environment, to deliver a sustainable future and a thriving planet.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Jestico Whilesjesticowhiles.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 88 contacts → |
“Jestico + Whiles is an award-winning international architecture and interior design practice based in Clerkenwell, London.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Xco2xco2.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 77 contacts → |
“We are a multidisciplinary group with backgrounds in engineering, architecture and environmental science, working as consultants for buildings, large developments and masterplans…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Bennetts Associatesbennettsassociates.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Bennetts Associates is one of the UK’s leading architectural practices, recognised for creating elegant, human-centred buildings through an ethos of doing ‘More With Less’.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Architypearchitype.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 64 contacts → |
“Architype Ltd is an architectural practice working from offices in Hereford, London and Edinburgh.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | ECD Architects LTDecda.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“We are an award-winning architectural practice specialising in the design of low energy, low environmental impact buildings, cost effectively and to the highest quality standards.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tatehindletatehindle.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 59 contacts → |
“We are architects and urbanists, design custodians of places where people can live, work and enjoy every shade of life in between.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | DRMMdrmmstudio.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 51 contacts → |
“dRMM are radical makers of sustainable, socially useful architecture.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  ETUDEetude.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 48 contacts → |
“We are a team of sustainability engineers passionate about creating buildings with a positive impact on the environment and the community.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | MTT Limitedmtt-limited.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 45 contacts → |
“We are a team of like-minded individuals delivering a commercially designed building services solution; we pride ourselves on the quality of our product.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Skelly & Couchskellyandcouch.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 38 contacts → |
“Skelly & Couch is a leading environmental engineering practice with offices in London, Bristol, and Newcastle.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cullinan Studiocullinanstudio.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 37 contacts → |
“We are a 20-person employee-owned architecture practice with studios in London and Nottingham.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Integrationintegrationuk.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“We’re helping to create a world where every building is truly zero carbon.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Envisionenvisioneco.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Envision is a specialist sustainability, energy and net zero design consultancy offering strategic and technical advice within the built environment and to businesses wishing to…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Engenuitiengenuiti.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“We are thinkers, doers, designers.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Astudio Architectsastudio.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 30 contacts → |
“astudio is an award-winning, architectural practice committed to delivering high-quality, innovative design across a range of sectors - Commercial, Residential, Education…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ayre Chamberlain Gauntacgarchitects.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 29 contacts → |
“We’re Ayre Chamberlain Gaunt, makers of responsible architecture that empowers clients and communities.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Wright & Wright Architectswrightandwright.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Wright & Wright is an award-winning architectural practice based in London.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Twin And Earth LTDtwinearth.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Twin and Earth is an independent engineering and sustainability consultancy.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Waugh Thistleton Architectswaughthistleton.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Waugh Thistleton Architects are a London based architectural practice working internationally to produce thoughtful and sustainable low carbon buildings.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Marek Wojciechowski Architects LTDmw-a.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Since our inception in 2004, Marek Wojciechowski Architects have been driven by the pursuit of quality - a belief that our surroundings directly influence the quality of our lives.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Build Generation LTDbuildgeneration.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Build Generation is a specialist design & build firm providing new build and refurbishment solutions in the commercial, retail and residential sectors.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | OR Consulting Engineers Limitedorconsult.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“OR Consulting is an award winning environmental and low carbon building design consultancy.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Shepheard Epstein Hunterseh.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Shepheard Epstein Hunter people function form: we are an experienced, award-winning architects’ practice, exceptionally diverse and typically 50% female, combining youthful…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 241 company matches
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Energy efficient building design firms: 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
241 records in the displayed employee bands.
0 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 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 241 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 building design firms?
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 building design firms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 241 matching company records, 3,376 tracked contacts and 1,609 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 building design firms by geography
- Energy efficient building design firms based in Melbourne, Australia
- Energy efficient building design firms based in Sydney, Australia
- Energy efficient building design firms based in Vienna, Austria
- Energy efficient building design firms based in Sao Paulo, Brazil
- Energy efficient building design firms based in Calgary, Canada
- Energy efficient building design firms based in Montreal, Canada
- Energy efficient building design firms based in Toronto, Canada
- Energy efficient building design firms based in Vancouver, Canada
- Energy efficient building design firms based in Helsinki, Finland
- Energy efficient building design firms based in Lyon, France
- Energy efficient building design firms based in Paris, France
- Energy efficient building design firms based in Berlin, Germany
Cite this list
RevenueBase Data Team. Top 25 energy efficient building design firms based in London, United Kingdom. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficient-building-design-firms/united-kingdom/london.
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 building design firms based in Melbourne, Australia
- Energy efficient building design firms based in Sydney, Australia
- Energy efficient building design firms based in Vienna, Austria
- Energy efficient building design firms based in Sao Paulo, Brazil
- Energy efficient building design firms based in Calgary, Canada
- Energy efficient building design firms based in Montreal, Canada
Company intelligence · public preview
Top 25 energy efficient building design firms based in London, United Kingdom
RevenueBase records 241 matching company records for energy efficient building design firms based in London, United Kingdom, with 3,376 tracked contacts and 1,609 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 building design firms based in London, 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 | Atelier TENatelierten.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 311 contacts → |
“As environmental design consultants, building services engineers and lighting designers, we are committed to high performance and sustainable design within the built environment.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | MAX Fordham LLPmaxfordham.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 216 contacts → |
“Max Fordham LLP is a partnership of engineers, designers and consultants, working with the built environment, to deliver a sustainable future and a thriving planet.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Jestico Whilesjesticowhiles.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 88 contacts → |
“Jestico + Whiles is an award-winning international architecture and interior design practice based in Clerkenwell, London.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Xco2xco2.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 77 contacts → |
“We are a multidisciplinary group with backgrounds in engineering, architecture and environmental science, working as consultants for buildings, large developments and masterplans…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bennetts Associatesbennettsassociates.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Bennetts Associates is one of the UK’s leading architectural practices, recognised for creating elegant, human-centred buildings through an ethos of doing ‘More With Less’.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Architypearchitype.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 64 contacts → |
“Architype Ltd is an architectural practice working from offices in Hereford, London and Edinburgh.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | ECD Architects LTDecda.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“We are an award-winning architectural practice specialising in the design of low energy, low environmental impact buildings, cost effectively and to the highest quality standards.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tatehindletatehindle.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 59 contacts → |
“We are architects and urbanists, design custodians of places where people can live, work and enjoy every shade of life in between.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | DRMMdrmmstudio.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 51 contacts → |
“dRMM are radical makers of sustainable, socially useful architecture.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | ETUDEetude.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 48 contacts → |
“We are a team of sustainability engineers passionate about creating buildings with a positive impact on the environment and the community.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | MTT Limitedmtt-limited.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 45 contacts → |
“We are a team of like-minded individuals delivering a commercially designed building services solution; we pride ourselves on the quality of our product.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Skelly & Couchskellyandcouch.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 38 contacts → |
“Skelly & Couch is a leading environmental engineering practice with offices in London, Bristol, and Newcastle.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cullinan Studiocullinanstudio.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 37 contacts → |
“We are a 20-person employee-owned architecture practice with studios in London and Nottingham.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Integrationintegrationuk.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“We’re helping to create a world where every building is truly zero carbon.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Envisionenvisioneco.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Envision is a specialist sustainability, energy and net zero design consultancy offering strategic and technical advice within the built environment and to businesses wishing to…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Engenuitiengenuiti.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“We are thinkers, doers, designers.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Astudio Architectsastudio.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 30 contacts → |
“astudio is an award-winning, architectural practice committed to delivering high-quality, innovative design across a range of sectors - Commercial, Residential, Education…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ayre Chamberlain Gauntacgarchitects.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 29 contacts → |
“We’re Ayre Chamberlain Gaunt, makers of responsible architecture that empowers clients and communities.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Wright & Wright Architectswrightandwright.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Wright & Wright is an award-winning architectural practice based in London.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Twin And Earth LTDtwinearth.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Twin and Earth is an independent engineering and sustainability consultancy.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Waugh Thistleton Architectswaughthistleton.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Waugh Thistleton Architects are a London based architectural practice working internationally to produce thoughtful and sustainable low carbon buildings.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Marek Wojciechowski Architects LTDmw-a.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Since our inception in 2004, Marek Wojciechowski Architects have been driven by the pursuit of quality - a belief that our surroundings directly influence the quality of our lives.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Build Generation LTDbuildgeneration.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Build Generation is a specialist design & build firm providing new build and refurbishment solutions in the commercial, retail and residential sectors.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | OR Consulting Engineers Limitedorconsult.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“OR Consulting is an award winning environmental and low carbon building design consultancy.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Shepheard Epstein Hunterseh.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Shepheard Epstein Hunter people function form: we are an experienced, award-winning architects’ practice, exceptionally diverse and typically 50% female, combining youthful…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 241 company matches
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Energy efficient building design firms: 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
241 records in the displayed employee bands.
0 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 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 241 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 building design firms?
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 building design firms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 241 matching company records, 3,376 tracked contacts and 1,609 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 building design firms based in London, United Kingdom. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficient-building-design-firms/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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