Company lists · Data refreshed September 2026
Top 25 Equipment installation contractors based in London, United Kingdom
RevenueBase identified 136 company matches for equipment installation contractors associated with London, United Kingdom as of September 2026 and tracks 833 professional contacts across them, including 247 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for equipment installation contractors 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 September 16, 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 equipment installation contractors based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 81 contacts → | ||||
Exact match “Grant Walker Engineering specialise in the complete installation of Electrical and Mechanical systems across all work sectors including quality office developments, commercial and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 42 contacts → | ||||
Exact match “The core activities of our business are all aspects of mechanical and electrical services including air conditioning, sprinkler systems, CHW<HW, ventilation, BMS, door entry and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 37 contacts → | ||||
Exact match “About Us: Established in 2023, Redworx MEP Limited is a dynamic Mechanical and Electrical contractor aiming to make a significant impact in the London market.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 35 contacts → | ||||
Exact match “Here at ECS Systems we pride ourselves on providing the highest level of personalised service, to every client.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 33 contacts → | ||||
Exact match “We stand as a well-established industry leader, specialising in the design, installation, and commissioning of mechanical and electrical systems across diverse sectors.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 30 contacts → | ||||
Exact match “Electrical Contractors and Wholesalers based in Central London and Essex.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 25 contacts → | ||||
Exact match “Established in 2014, Leonari is a Mechanical & Electrical contractor working in London and the South East.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 14 contacts → | ||||
Exact match “Our core offerings are split into three main business streams, Mechanical, Electrical & Fit-out.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 12 contacts → | ||||
Exact match “At GPM London, we specialise in delivering hassle-free, professional MEP solutions tailored to your needs, no matter the size or complexity of the job.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 12 contacts → | ||||
Exact match “Here at Rederic, we leverage our wealth of industry knowledge and expertise to provide efficient, personalised solutions for all mechanical & electrical, audiovisual, data…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “As fully qualified, time served electrical contractors, we have a wealth of knowledge in the electrical industry, predominantly carrying out a wide range of services from design…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “Intrelec are NICEIC Approved Mechanical & Electrical Contractors in London providing M&E design, installation and maintenance services to commercial, industrial and residential…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “JSJ Smart Homes was formed as a specialised contractor in the field of domestic installations, covering all aspects of electrical installs, such as home automation and data…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “R P Bray carry out electrical installation works to domestic, commercial and industrial projects, complete with design and testing facilities, specializing in the hotel, leisure…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “Established in 2006, Total Electric Solutions Ltd provides a complete electrical package from the design & tendering process through to the final installation & after care.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Providing our Clients with every aspect of Mechanical services from design concept to completion on time with professionalism.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “ACS were formed in 1991 to specialise in the installation and maintenance of Air Conditioning and Ventilation Systems.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Astoria Fire and Security carry out installations and provide maintenance services in the Electrical, Fire Alarm and CCTV industry to commercial, industrial and domestic…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “At J&M Mechanical Services, we specialise in providing expert mechanical solutions for commercial and industrial clients.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 5 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “Fire Safety & Electrical Compliance for London Buildings SES designs, installs, tests and maintains fire alarm, emergency lighting and life-safety systems, alongside electrical…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Franklyn Air are specialists in the maintenance and installation of air conditioning across London homes and businesses as well as specialising in the installation and maintenance…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Air Cond Ltd.” Recorded in the RevenueBase company graph · Sep 16, 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 “equipment installation contractors”. 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 136 equipment installation contractors based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 247 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Equipment installation contractors based in London, United Kingdom at a glance
As of Sep 16, 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 136 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 “equipment installation contractors” 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 247 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 September 16, 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.
Equipment installation contractors by metro in the United Kingdom
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 “equipment installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many equipment installation contractors are there based in London, United Kingdom?
RevenueBase identified 136 company matches for equipment installation contractors associated with London, United Kingdom as of September 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?
Grant Walker Engineering 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 equipment installation contractors?
London leads the United Kingdom with 136 company records, followed by Manchester (30) and Bristol (26).
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 247 professional contacts with verified work emails tracked across these 136 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 September 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 136 equipment installation contractors based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Equipment installation contractors by geography
- Equipment installation contractors based in Melbourne, Australia
- Equipment installation contractors based in Sydney, Australia
- Equipment installation contractors based in Sao Paulo, Brazil
- Equipment installation contractors based in Calgary, Canada
- Equipment installation contractors based in Edmonton, Canada
- Equipment installation contractors based in Mississauga, Canada
- Equipment installation contractors based in Toronto, Canada
- Equipment installation contractors based in Bristol, United Kingdom
- Equipment installation contractors based in Austin, United States
- Equipment installation contractors based in Charlotte, United States
- Equipment installation contractors based in Chicago, United States
- Equipment installation contractors based in Cincinnati, United States
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Equipment installation contractors based in Melbourne, Australia
- Equipment installation contractors based in Sydney, Australia
- Equipment installation contractors based in Sao Paulo, Brazil
- Equipment installation contractors based in Calgary, Canada
- Equipment installation contractors based in Edmonton, Canada
- Equipment installation contractors based in Mississauga, Canada
Company intelligence · public preview
Top 25 equipment installation contractors 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 136 matching company records for equipment installation contractors based in London, United Kingdom, with 833 tracked contacts and 247 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: September 16, 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 equipment installation contractors 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 | Grant Walker Engineeringg-w-e.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Grant Walker Engineering specialise in the complete installation of Electrical and Mechanical systems across all work sectors including quality office developments, commercial and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Elmech LTDelmechltd.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 42 contacts → |
“The core activities of our business are all aspects of mechanical and electrical services including air conditioning, sprinkler systems, CHW<HW, ventilation, BMS, door entry and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Redworx MEP Limitedredworx.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 37 contacts → |
“About Us: Established in 2023, Redworx MEP Limited is a dynamic Mechanical and Electrical contractor aiming to make a significant impact in the London market.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ECS Systems LTDecssystems.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Here at ECS Systems we pride ourselves on providing the highest level of personalised service, to every client.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Phoenix MEphoenixme.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 33 contacts → |
“We stand as a well-established industry leader, specialising in the design, installation, and commissioning of mechanical and electrical systems across diverse sectors.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ARC Electricalarc-electrical.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 30 contacts → |
“Electrical Contractors and Wholesalers based in Central London and Essex.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Leonari LTDleonari.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 25 contacts → |
“Established in 2014, Leonari is a Mechanical & Electrical contractor working in London and the South East.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Axiom Projects LTDaxiom-projects.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Our core offerings are split into three main business streams, Mechanical, Electrical & Fit-out.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  GPM London LTDgpmlondon.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“At GPM London, we specialise in delivering hassle-free, professional MEP solutions tailored to your needs, no matter the size or complexity of the job.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Rederic LTDrederic.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Here at Rederic, we leverage our wealth of industry knowledge and expertise to provide efficient, personalised solutions for all mechanical & electrical, audiovisual, data…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SPL Construct LTDsplinstallations.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“As fully qualified, time served electrical contractors, we have a wealth of knowledge in the electrical industry, predominantly carrying out a wide range of services from design…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Intrelec LTDintrelec.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Intrelec are NICEIC Approved Mechanical & Electrical Contractors in London providing M&E design, installation and maintenance services to commercial, industrial and residential…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | JSJ Smart Homesjsjelec.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 9 contacts → |
“JSJ Smart Homes was formed as a specialised contractor in the field of domestic installations, covering all aspects of electrical installs, such as home automation and data…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | R P Bray Electrical Contractorsrpbray.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 6 contacts → |
“R P Bray carry out electrical installation works to domestic, commercial and industrial projects, complete with design and testing facilities, specializing in the hotel, leisure…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Total Electric Solutions LTDtotalelectricsolutions.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Established in 2006, Total Electric Solutions Ltd provides a complete electrical package from the design & tendering process through to the final installation & after care.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Atmosair Limitedatmosair.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Providing our Clients with every aspect of Mechanical services from design concept to completion on time with professionalism.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Associated Cooling Services Limitedacsuk.org HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“ACS were formed in 1991 to specialise in the installation and maintenance of Air Conditioning and Ventilation Systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Astoria Fire And Securityastoriafiresec.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Astoria Fire and Security carry out installations and provide maintenance services in the Electrical, Fire Alarm and CCTV industry to commercial, industrial and domestic…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | J&m Services Groupjm-mechanicalservices.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“At J&M Mechanical Services, we specialise in providing expert mechanical solutions for commercial and industrial clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Racsel Building Services LTDracsel.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | SES Electrical Contractors UK LTDseselectricalcontractors.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Fire Safety & Electrical Compliance for London Buildings SES designs, installs, tests and maintains fire alarm, emergency lighting and life-safety systems, alongside electrical…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Franklynair Limitedfranklynair.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Franklyn Air are specialists in the maintenance and installation of air conditioning across London homes and businesses as well as specialising in the installation and maintenance…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Aircond LTDaircondltd.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Air Cond Ltd.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 136 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Equipment installation contractors: dataset insights
September 16, 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
134 records in the displayed employee bands.
2 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 136 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: September 16, 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 ↗
Equipment installation contractors by metro in the United Kingdom
Questions about this company list
What does Exact match mean for equipment installation contractors?
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 equipment installation contractors did RevenueBase find based in London, United Kingdom?
The saved snapshot records 136 matching company records, 833 tracked contacts and 247 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: September 16, 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
Equipment installation contractors by geography
- Equipment installation contractors based in Melbourne, Australia
- Equipment installation contractors based in Sydney, Australia
- Equipment installation contractors based in Sao Paulo, Brazil
- Equipment installation contractors based in Calgary, Canada
- Equipment installation contractors based in Edmonton, Canada
- Equipment installation contractors based in Mississauga, Canada
- Equipment installation contractors based in Toronto, Canada
- Equipment installation contractors based in Bristol, United Kingdom
- Equipment installation contractors based in Austin, United States
- Equipment installation contractors based in Charlotte, United States
- Equipment installation contractors based in Chicago, United States
- Equipment installation contractors based in Cincinnati, United States
Cite this list
RevenueBase Data Team. Top 25 equipment installation contractors based in London, United Kingdom. Snapshot: September 16, 2026. https://revenuebase.ai/companies/equipment-installation-contractors/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
- Equipment installation contractors based in Melbourne, Australia
- Equipment installation contractors based in Sydney, Australia
- Equipment installation contractors based in Sao Paulo, Brazil
- Equipment installation contractors based in Calgary, Canada
- Equipment installation contractors based in Edmonton, Canada
- Equipment installation contractors based in Mississauga, Canada
Company intelligence · public preview
Top 25 equipment installation contractors based in London, United Kingdom
RevenueBase records 136 matching company records for equipment installation contractors based in London, United Kingdom, with 833 tracked contacts and 247 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: September 16, 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 equipment installation contractors 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 | Grant Walker Engineeringg-w-e.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Grant Walker Engineering specialise in the complete installation of Electrical and Mechanical systems across all work sectors including quality office developments, commercial and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Elmech LTDelmechltd.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 42 contacts → |
“The core activities of our business are all aspects of mechanical and electrical services including air conditioning, sprinkler systems, CHW<HW, ventilation, BMS, door entry and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Redworx MEP Limitedredworx.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 37 contacts → |
“About Us: Established in 2023, Redworx MEP Limited is a dynamic Mechanical and Electrical contractor aiming to make a significant impact in the London market.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ECS Systems LTDecssystems.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Here at ECS Systems we pride ourselves on providing the highest level of personalised service, to every client.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Phoenix MEphoenixme.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 33 contacts → |
“We stand as a well-established industry leader, specialising in the design, installation, and commissioning of mechanical and electrical systems across diverse sectors.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ARC Electricalarc-electrical.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 30 contacts → |
“Electrical Contractors and Wholesalers based in Central London and Essex.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Leonari LTDleonari.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 25 contacts → |
“Established in 2014, Leonari is a Mechanical & Electrical contractor working in London and the South East.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Axiom Projects LTDaxiom-projects.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Our core offerings are split into three main business streams, Mechanical, Electrical & Fit-out.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | GPM London LTDgpmlondon.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“At GPM London, we specialise in delivering hassle-free, professional MEP solutions tailored to your needs, no matter the size or complexity of the job.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Rederic LTDrederic.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Here at Rederic, we leverage our wealth of industry knowledge and expertise to provide efficient, personalised solutions for all mechanical & electrical, audiovisual, data…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SPL Construct LTDsplinstallations.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“As fully qualified, time served electrical contractors, we have a wealth of knowledge in the electrical industry, predominantly carrying out a wide range of services from design…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Intrelec LTDintrelec.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Intrelec are NICEIC Approved Mechanical & Electrical Contractors in London providing M&E design, installation and maintenance services to commercial, industrial and residential…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | JSJ Smart Homesjsjelec.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 9 contacts → |
“JSJ Smart Homes was formed as a specialised contractor in the field of domestic installations, covering all aspects of electrical installs, such as home automation and data…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | R P Bray Electrical Contractorsrpbray.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 6 contacts → |
“R P Bray carry out electrical installation works to domestic, commercial and industrial projects, complete with design and testing facilities, specializing in the hotel, leisure…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Total Electric Solutions LTDtotalelectricsolutions.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Established in 2006, Total Electric Solutions Ltd provides a complete electrical package from the design & tendering process through to the final installation & after care.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Atmosair Limitedatmosair.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Providing our Clients with every aspect of Mechanical services from design concept to completion on time with professionalism.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Associated Cooling Services Limitedacsuk.org HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“ACS were formed in 1991 to specialise in the installation and maintenance of Air Conditioning and Ventilation Systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Astoria Fire And Securityastoriafiresec.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Astoria Fire and Security carry out installations and provide maintenance services in the Electrical, Fire Alarm and CCTV industry to commercial, industrial and domestic…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | J&m Services Groupjm-mechanicalservices.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“At J&M Mechanical Services, we specialise in providing expert mechanical solutions for commercial and industrial clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Racsel Building Services LTDracsel.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | SES Electrical Contractors UK LTDseselectricalcontractors.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Fire Safety & Electrical Compliance for London Buildings SES designs, installs, tests and maintains fire alarm, emergency lighting and life-safety systems, alongside electrical…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Franklynair Limitedfranklynair.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Franklyn Air are specialists in the maintenance and installation of air conditioning across London homes and businesses as well as specialising in the installation and maintenance…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Aircond LTDaircondltd.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Air Cond Ltd.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 136 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Equipment installation contractors: dataset insights
September 16, 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
134 records in the displayed employee bands.
2 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 136 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: September 16, 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 ↗
Equipment installation contractors by metro in the United Kingdom
Questions about this company list
What does Exact match mean for equipment installation contractors?
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 equipment installation contractors did RevenueBase find based in London, United Kingdom?
The saved snapshot records 136 matching company records, 833 tracked contacts and 247 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: September 16, 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
Equipment installation contractors by geography
- Equipment installation contractors based in Melbourne, Australia
- Equipment installation contractors based in Sydney, Australia
- Equipment installation contractors based in Sao Paulo, Brazil
- Equipment installation contractors based in Calgary, Canada
- Equipment installation contractors based in Edmonton, Canada
- Equipment installation contractors based in Mississauga, Canada
- Equipment installation contractors based in Toronto, Canada
- Equipment installation contractors based in Bristol, United Kingdom
- Equipment installation contractors based in Austin, United States
- Equipment installation contractors based in Charlotte, United States
- Equipment installation contractors based in Chicago, United States
- Equipment installation contractors based in Cincinnati, United States
Cite this list
RevenueBase Data Team. Top 25 equipment installation contractors based in London, United Kingdom. Snapshot: September 16, 2026. https://revenuebase.ai/companies/equipment-installation-contractors/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
- Equipment installation contractors based in Melbourne, Australia
- Equipment installation contractors based in Sydney, Australia
- Equipment installation contractors based in Sao Paulo, Brazil
- Equipment installation contractors based in Calgary, Canada
- Equipment installation contractors based in Edmonton, Canada
- Equipment installation contractors based in Mississauga, Canada