Company lists · Data refreshed October 2026
Top 25 Hvac design engineering companies based in London, United Kingdom
RevenueBase identified 97 company matches for hvac design engineering companies associated with London, United Kingdom as of October 2026 and tracks 1,833 professional contacts across them, including 852 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for hvac design engineering companies 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 14, 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 hvac design engineering companies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,146 contacts → | ||||
Exact match “We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 57 contacts → | ||||
Exact match “We are a specialist consultancy business delivering mechanical and electrical design and commissioning consultancy.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 55 contacts → | ||||
Exact match “Welcome to QODA: working hard to meet the needs of our clients and all those who use the buildings we help to create.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 29 contacts → | ||||
Exact match “At Condition Environment Services Limited, we lead the way in mechanical building services.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 28 contacts → | ||||
Exact match “Loop Engineering is a dynamic and expanding building services engineering consultancy based in London offering high quality, low carbon MEP design and project management services.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 26 contacts → | ||||
Exact match “DSA Engineering is an engineering design consultancy with extensive experience in providing innovative multi-disciplinary engineering services.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 25 contacts → | ||||
Exact match “At ONE MEP, we deliver professional, reliable, and high-quality MEP solutions across London and surrounding areas.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 15 contacts → | ||||
Exact match “At LEDA we view building services engineering as an exciting engineering discipline.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 11 contacts → | ||||
Exact match “Celsius Solutions Ltd delivers projects throughout London, the South East and the UK with our unequalled Design and Build service for the HVAC sector.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 10 contacts → | ||||
Exact match “Mechanical, Electrical and Public Health Building Services Engineers” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 10 contacts → | ||||
Exact match “We are Building Services Consulting Engineers covering all aspects of building services including Mechanical, Public Health, Electrical, Communications and Security systems.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 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 14, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “An innovative multi-disciplinary engineering design office : Architecture, Structure, Urban & Landscape, Infrastructure and Electro-mechanical.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “mstep is a building services / MEP design consultancy with a mission to help create comfortable, healthy, efficient environments in which we can breathe, live, work and thrive -…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “With over 50 years’ experience within the industry Racsel Building Services Limited specialize in Design, Installation, Maintenance and Servicing of heating, ventilation, cooling…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “OUR SERVICES - Electrical, Mechanical and Civil/Structural Design - Specialist Fire, Lift and Escalators, BMS, Telecoms and Networking Capability -Assurance and Testing &…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “We have an experienced team of design engineers, project managers, mechanical, electrical, and software engineers.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Newtecnic is a company of architects and engineering designers who create visions and deliver designs rooted in the art and engineering of building construction.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “TH ELECTRICAL & MECHANICAL LTD is a construction company based in London and operating throughout London and the South East, delivering the full range of mechanical, electrical &…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “Harrison How Limited are situated in the heart of London and have been serving clients since 1939.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Hoveair are specialists in all disciplines of the Air Conditioning, Heating and Ventilation and Industry, giving comprehensive Design, Management, Installation, Commissioning and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Mechanical, Electrical, Public Health, Sustainability Design Consultants” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Design, Supply, Install, Commission, Service & Maintenance of Air Conditioning Equipment” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “FBS Consulting Engineers provide Mechanical, Electrical and Public Health design and consultancy services to the property industry.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Tenways Engineering provides Installation and control solutions for HVAC.” Recorded in the RevenueBase company graph · Oct 14, 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 “hvac design engineering 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 97 hvac design engineering companies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 852 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hvac design engineering companies based in London, United Kingdom at a glance
As of Oct 14, 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 97 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 “hvac design engineering 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 852 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 14, 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 “hvac design engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hvac design engineering companies are there based in London, United Kingdom?
RevenueBase identified 97 company matches for hvac design engineering companies 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?
Hoare LEA 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 hvac design engineering companies?
London leads the United Kingdom with 97 company records, followed by Manchester (21) and Birmingham (19).
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 852 professional contacts with verified work emails tracked across these 97 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 97 hvac design engineering companies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Hvac design engineering companies by geography
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- Hvac design engineering companies based in Mississauga, Canada
- Hvac design engineering companies based in Toronto, Canada
- Hvac design engineering companies based in Paris, France
- Hvac design engineering companies based in Berlin, Germany
- Hvac design engineering companies based in Ahmedabad, India
- Hvac design engineering companies based in Bangalore, India
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
- Hvac design engineering companies based in Sydney, Australia
- Hvac design engineering companies based in Porto Alegre, Brazil
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Company intelligence · public preview
Top 25 hvac design engineering companies 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 97 matching company records for hvac design engineering companies based in London, United Kingdom, with 1,833 tracked contacts and 852 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 14, 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 hvac design engineering companies 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 |  Hoare LEAhoarelea.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 1,146 contacts → |
“We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Banyardsbanyards.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 57 contacts → |
“We are a specialist consultancy business delivering mechanical and electrical design and commissioning consultancy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Qoda Consultingqodaconsulting.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 55 contacts → |
“Welcome to QODA: working hard to meet the needs of our clients and all those who use the buildings we help to create.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Condition Environment Services Limitedc-env.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 29 contacts → |
“At Condition Environment Services Limited, we lead the way in mechanical building services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Loop Engineeringloopengineering.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Loop Engineering is a dynamic and expanding building services engineering consultancy based in London offering high quality, low carbon MEP design and project management services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | DSA Engineering LTDdsaengineers.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 26 contacts → |
“DSA Engineering is an engineering design consultancy with extensive experience in providing innovative multi-disciplinary engineering services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | ONE MEPonemep.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 25 contacts → |
“At ONE MEP, we deliver professional, reliable, and high-quality MEP solutions across London and surrounding areas.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Leonard Engineering Design Associatesleonardengineering.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“At LEDA we view building services engineering as an exciting engineering discipline.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Celsius Solutions LTDcelsius-solutions.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Celsius Solutions Ltd delivers projects throughout London, the South East and the UK with our unequalled Design and Build service for the HVAC sector.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  The Anslow Partnership Consulting Engineersanslowconsulting.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Mechanical, Electrical and Public Health Building Services Engineers” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Dowling Bluntdowlingblunt.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“We are Building Services Consulting Engineers covering all aspects of building services including Mechanical, Public Health, Electrical, Communications and Security systems.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  BTP Consultantsbtpconsultancy.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“We design mechanical and electrical systems, advise on all aspects of energy, carbon reduction and building physics.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Perfect Engineeringperfect-engineering.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“An innovative multi-disciplinary engineering design office : Architecture, Structure, Urban & Landscape, Infrastructure and Electro-mechanical.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MSTEPmstep.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 8 contacts → |
“mstep is a building services / MEP design consultancy with a mission to help create comfortable, healthy, efficient environments in which we can breathe, live, work and thrive -…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Racsel Building Services LTDracsel.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 8 contacts → |
“With over 50 years’ experience within the industry Racsel Building Services Limited specialize in Design, Installation, Maintenance and Servicing of heating, ventilation, cooling…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | NBB Railnbbrail.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
“OUR SERVICES - Electrical, Mechanical and Civil/Structural Design - Specialist Fire, Lift and Escalators, BMS, Telecoms and Networking Capability -Assurance and Testing &…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nestling Engineeringdcbird.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“We have an experienced team of design engineers, project managers, mechanical, electrical, and software engineers.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Newtecnicnewtecnic.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 6 contacts → |
“Newtecnic is a company of architects and engineering designers who create visions and deliver designs rooted in the art and engineering of building construction.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | TH Electrical & Mechanical LTDth-em.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“TH ELECTRICAL & MECHANICAL LTD is a construction company based in London and operating throughout London and the South East, delivering the full range of mechanical, electrical &…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Harrison HOW LTDharrisonhow.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Harrison How Limited are situated in the heart of London and have been serving clients since 1939.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Hoveair Maintenance Services Limitedhoveair.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Hoveair are specialists in all disciplines of the Air Conditioning, Heating and Ventilation and Industry, giving comprehensive Design, Management, Installation, Commissioning and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Hira & Khalique Associates Limitedhkassociates.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Mechanical, Electrical, Public Health, Sustainability Design Consultants” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Skyline AIR Conditioning Services LTDskylineair.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Design, Supply, Install, Commission, Service & Maintenance of Air Conditioning Equipment” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | FBS Consulting Engineers LTDfbsconsultingengineers.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“FBS Consulting Engineers provide Mechanical, Electrical and Public Health design and consultancy services to the property industry.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Tenwaystenways.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Tenways Engineering provides Installation and control solutions for HVAC.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 97 company matches
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Hvac design engineering companies: dataset insights
October 14, 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
97 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 97 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 14, 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 hvac design engineering 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 hvac design engineering companies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 97 matching company records, 1,833 tracked contacts and 852 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 14, 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
Hvac design engineering companies by geography
- Hvac design engineering companies based in Sydney, Australia
- Hvac design engineering companies based in Porto Alegre, Brazil
- Hvac design engineering companies based in Sao Paulo, Brazil
- Hvac design engineering companies based in Brampton, Canada
- Hvac design engineering companies based in Calgary, Canada
- Hvac design engineering companies based in Edmonton, Canada
- Hvac design engineering companies based in Mississauga, Canada
- Hvac design engineering companies based in Toronto, Canada
- Hvac design engineering companies based in Paris, France
- Hvac design engineering companies based in Berlin, Germany
- Hvac design engineering companies based in Ahmedabad, India
- Hvac design engineering companies based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 hvac design engineering companies based in London, United Kingdom. Snapshot: October 14, 2026. https://revenuebase.ai/companies/hvac-design-engineering-companies/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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- Lists A-Z
- New lists
- Hvac design engineering companies based in Sydney, Australia
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Company intelligence · public preview
Top 25 hvac design engineering companies based in London, United Kingdom
RevenueBase records 97 matching company records for hvac design engineering companies based in London, United Kingdom, with 1,833 tracked contacts and 852 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 14, 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 hvac design engineering companies 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 | Hoare LEAhoarelea.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 1,146 contacts → |
“We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Banyardsbanyards.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 57 contacts → |
“We are a specialist consultancy business delivering mechanical and electrical design and commissioning consultancy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Qoda Consultingqodaconsulting.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 55 contacts → |
“Welcome to QODA: working hard to meet the needs of our clients and all those who use the buildings we help to create.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Condition Environment Services Limitedc-env.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 29 contacts → |
“At Condition Environment Services Limited, we lead the way in mechanical building services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Loop Engineeringloopengineering.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Loop Engineering is a dynamic and expanding building services engineering consultancy based in London offering high quality, low carbon MEP design and project management services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | DSA Engineering LTDdsaengineers.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 26 contacts → |
“DSA Engineering is an engineering design consultancy with extensive experience in providing innovative multi-disciplinary engineering services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | ONE MEPonemep.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 25 contacts → |
“At ONE MEP, we deliver professional, reliable, and high-quality MEP solutions across London and surrounding areas.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Leonard Engineering Design Associatesleonardengineering.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“At LEDA we view building services engineering as an exciting engineering discipline.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Celsius Solutions LTDcelsius-solutions.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Celsius Solutions Ltd delivers projects throughout London, the South East and the UK with our unequalled Design and Build service for the HVAC sector.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | The Anslow Partnership Consulting Engineersanslowconsulting.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Mechanical, Electrical and Public Health Building Services Engineers” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Dowling Bluntdowlingblunt.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“We are Building Services Consulting Engineers covering all aspects of building services including Mechanical, Public Health, Electrical, Communications and Security systems.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | BTP Consultantsbtpconsultancy.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“We design mechanical and electrical systems, advise on all aspects of energy, carbon reduction and building physics.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Perfect Engineeringperfect-engineering.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“An innovative multi-disciplinary engineering design office : Architecture, Structure, Urban & Landscape, Infrastructure and Electro-mechanical.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MSTEPmstep.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 8 contacts → |
“mstep is a building services / MEP design consultancy with a mission to help create comfortable, healthy, efficient environments in which we can breathe, live, work and thrive -…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Racsel Building Services LTDracsel.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 8 contacts → |
“With over 50 years’ experience within the industry Racsel Building Services Limited specialize in Design, Installation, Maintenance and Servicing of heating, ventilation, cooling…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | NBB Railnbbrail.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
“OUR SERVICES - Electrical, Mechanical and Civil/Structural Design - Specialist Fire, Lift and Escalators, BMS, Telecoms and Networking Capability -Assurance and Testing &…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nestling Engineeringdcbird.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“We have an experienced team of design engineers, project managers, mechanical, electrical, and software engineers.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Newtecnicnewtecnic.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 6 contacts → |
“Newtecnic is a company of architects and engineering designers who create visions and deliver designs rooted in the art and engineering of building construction.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | TH Electrical & Mechanical LTDth-em.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“TH ELECTRICAL & MECHANICAL LTD is a construction company based in London and operating throughout London and the South East, delivering the full range of mechanical, electrical &…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Harrison HOW LTDharrisonhow.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Harrison How Limited are situated in the heart of London and have been serving clients since 1939.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hoveair Maintenance Services Limitedhoveair.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Hoveair are specialists in all disciplines of the Air Conditioning, Heating and Ventilation and Industry, giving comprehensive Design, Management, Installation, Commissioning and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hira & Khalique Associates Limitedhkassociates.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Mechanical, Electrical, Public Health, Sustainability Design Consultants” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Skyline AIR Conditioning Services LTDskylineair.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Design, Supply, Install, Commission, Service & Maintenance of Air Conditioning Equipment” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | FBS Consulting Engineers LTDfbsconsultingengineers.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“FBS Consulting Engineers provide Mechanical, Electrical and Public Health design and consultancy services to the property industry.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tenwaystenways.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Tenways Engineering provides Installation and control solutions for HVAC.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 97 company matches
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Hvac design engineering companies: dataset insights
October 14, 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
97 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 97 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 14, 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 hvac design engineering 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 hvac design engineering companies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 97 matching company records, 1,833 tracked contacts and 852 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 14, 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 hvac design engineering companies based in London, United Kingdom. Snapshot: October 14, 2026. https://revenuebase.ai/companies/hvac-design-engineering-companies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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