Company lists · Data refreshed November 2026
Top 25 Mechanical system contractors based in the United Kingdom
RevenueBase identified 1,875 company matches for mechanical system contractors associated with the United Kingdom as of November 2026 and tracks 19,735 professional contacts across them, including 7,526 with verified work emails. London is the largest hub.
This list covers company matches for mechanical system contractors associated with the 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 November 6, 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 mechanical system contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 629 contacts → | ||||
Exact match “The FES Group is one of the largest independent technical services companies in the UK over 60 years of experience providing building services solutions to a wide range of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 380 contacts → | ||||
Exact match “City Building Engineering Services is a construction and engineering company providing constructive solutions within a variety of sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 363 contacts → | ||||
Exact match “Since 1988, Jaguar Building Services has been a trusted leader in the mechanical, electrical, and public health maintenance of some of London's most prestigious landmark buildings.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 325 contacts → | ||||
Exact match “Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 317 contacts → | ||||
Exact match “Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 268 contacts → | ||||
Exact match “Gratte Brothers Group is a leading independent provider of comprehensive building services, renowned for exceptional quality.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 241 contacts → | ||||
Exact match “JCA is a multi-faceted engineering services and construction business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 194 contacts → | ||||
Exact match “BJF Group is a diverse building solutions company comprised of six complementary divisions; Facilities Management, Construction, Mechanical & Electrical, Project Services, MEP…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 191 contacts → | ||||
Exact match “Carter Synergy is a nation-wide provider of refrigeration, mechanical, electrical and other core building services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 154 contacts → | ||||
Exact match “Founded in 2004, Aspect combines expertise and innovation to deliver professional property care across London and the South East.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 152 contacts → | ||||
Exact match “MCS Ltd are specialist building services engineers covering all aspects of commercial and industrial building services and infrastructure engineering across varying market sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 150 contacts → | ||||
Exact match “We are a building services company specialised in Mechanical and Public Health sectors, carrying out heating, air conditioning, plumbing and domestic services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 148 contacts → | ||||
Exact match “Geoffrey Robinson are an award-winning mechanical, electrical and construction contractor, one of the largest in the North East.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 146 contacts → | ||||
Exact match “Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 130 contacts → | ||||
Exact match “Commercial Maintenance Services UK Ltd (CMS) is a nationwide market leader in Facilities and Commercial Building Maintenance-proudly built on the values of Responsiveness…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 126 contacts → | ||||
Exact match “Cilantro Engineering is a multi-discipline Building Services Contractor offering a vast range of Mechanical and Electrical Design & Installation services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 120 contacts → | ||||
Exact match “Neil Fisher started Airco in 1991.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 117 contacts → | ||||
Exact match “Founded in 1988, we are a family-owned business of passionate engineers who specialise in building services-driven construction projects, undertaking all major works in-house.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 116 contacts → | ||||
Exact match “Founded in 1957, Stothers (M&E) Ltd is a national market leader in the provision of Mechanical and Electrical Building Services and Contract Maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 111 contacts → | ||||
Exact match “LJJ formed in 2001 as a private limited company and is a multi-disciplined organisation capable of completing major mechanical, electrical and public health service contracts in a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 110 contacts → | ||||
Exact match “Oakray was established in 1979 and we are very proud of our long heritage.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 109 contacts → | ||||
Exact match “JCW Energy Services is a privately held SME business operating in the building services engineering sector throughout the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 102 contacts → | ||||
Exact match “MSE are a midlands based building services company and have over 30 years experience in the commercial and industrial environment working with a broad range of clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 99 contacts → | ||||
Exact match “Woodford specialise in mechanical and electrical building services for the construction market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 94 contacts → | ||||
Exact match “At Aircon Group, we’re dedicated to providing exceptional levels of customer service in Air Conditioning, Refrigeration, and Air-Source Heating Services, which we have done for…” Recorded in the RevenueBase company graph · Nov 6, 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 “mechanical system 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 1,875 mechanical system contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 7,526 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Mechanical system contractors based in the United Kingdom at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,875 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 the United Kingdom whose business descriptions match “mechanical system 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 7,526 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 November 6, 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.
Mechanical system contractors by metro
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 “mechanical system contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mechanical system contractors are there based in the United Kingdom?
RevenueBase identified 1,875 company matches for mechanical system contractors associated with the United Kingdom as of November 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?
FES Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most mechanical system contractors?
London leads with 180 company records, followed by Manchester (29) 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 7,526 professional contacts with verified work emails tracked across these 1,875 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,875 mechanical system contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Mechanical system contractors by geography
- Mechanical system contractors based in Melbourne, Australia
- Mechanical system contractors based in Sydney, Australia
- Mechanical system contractors based in Sao Paulo, Brazil
- Mechanical system contractors based in Brampton, Canada
- Mechanical system contractors based in Burnaby, Canada
- Mechanical system contractors based in Calgary, Canada
- Mechanical system contractors based in Edmonton, Canada
- Mechanical system contractors based in Mississauga, Canada
- Mechanical system contractors based in Montreal, Canada
- Mechanical system contractors based in Ottawa, Canada
- Mechanical system contractors based in Quebec, Canada
- Mechanical system contractors based in Saskatoon, Canada
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
- Mechanical system contractors based in Melbourne, Australia
- Mechanical system contractors based in Sydney, Australia
- Mechanical system contractors based in Sao Paulo, Brazil
- Mechanical system contractors based in Brampton, Canada
- Mechanical system contractors based in Burnaby, Canada
- Mechanical system contractors based in Calgary, Canada
Company intelligence · public preview
Top 25 mechanical system contractors based in the 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 1,875 matching company records for mechanical system contractors based in the United Kingdom, with 19,735 tracked contacts and 7,526 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: November 6, 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 mechanical system contractors based in the 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 |  FES Groupfes-group.co.ukHQ: Stirling, United KingdomReported employees: 501-1,000 | Stirling, United Kingdom | 501-1,000 | Exact match | 629 contacts → |
“The FES Group is one of the largest independent technical services companies in the UK over 60 years of experience providing building services solutions to a wide range of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  City Building Engineering Services Cbescbes.co.ukHQ: Glasgow, United KingdomReported employees: 501-1,000 | Glasgow, United Kingdom | 501-1,000 | Exact match | 380 contacts → |
“City Building Engineering Services is a construction and engineering company providing constructive solutions within a variety of sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Jaguar Building Services LTDjbs-ltd.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 363 contacts → |
“Since 1988, Jaguar Building Services has been a trusted leader in the mechanical, electrical, and public health maintenance of some of London's most prestigious landmark buildings.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Space Engineering Services LTDspace-engineering.co.ukHQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 325 contacts → |
“Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Star Refrigerationstar-ref.co.ukHQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 317 contacts → |
“Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Gratte Brothers Groupgratte.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 268 contacts → |
“Gratte Brothers Group is a leading independent provider of comprehensive building services, renowned for exceptional quality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  JCA Engineeringjca.co.ukHQ: Stevenage, United KingdomReported employees: 201-500 | Stevenage, United Kingdom | 201-500 | Exact match | 241 contacts → |
“JCA is a multi-faceted engineering services and construction business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  BJF Groupbjfgroup.co.ukHQ: Sandling, United KingdomReported employees: 201-500 | Sandling, United Kingdom | 201-500 | Exact match | 194 contacts → |
“BJF Group is a diverse building solutions company comprised of six complementary divisions; Facilities Management, Construction, Mechanical & Electrical, Project Services, MEP…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Carter Synergycartersynergy.comHQ: Birmingham, United KingdomReported employees: 201-500 | Birmingham, United Kingdom | 201-500 | Exact match | 191 contacts → |
“Carter Synergy is a nation-wide provider of refrigeration, mechanical, electrical and other core building services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Aspectaspect.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 154 contacts → |
“Founded in 2004, Aspect combines expertise and innovation to deliver professional property care across London and the South East.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  MCSmcsmc.co.ukHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 152 contacts → |
“MCS Ltd are specialist building services engineers covering all aspects of commercial and industrial building services and infrastructure engineering across varying market sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sale Groupsalegroup.co.ukHQ: Cheam, United KingdomReported employees: 51-200 | Cheam, United Kingdom | 51-200 | Exact match | 150 contacts → |
“We are a building services company specialised in Mechanical and Public Health sectors, carrying out heating, air conditioning, plumbing and domestic services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Geoffrey Robinson Limitedgeoffreyrobinson.co.ukHQ: Billingham, United KingdomReported employees: 201-500 | Billingham, United Kingdom | 201-500 | Exact match | 148 contacts → |
“Geoffrey Robinson are an award-winning mechanical, electrical and construction contractor, one of the largest in the North East.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Adcock Refrigeration And AIR Conditioningadcock.co.ukHQ: Cambridge, United KingdomReported employees: 201-500 | Cambridge, United Kingdom | 201-500 | Exact match | 146 contacts → |
“Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Commercial Maintenance Services UK Limitedcmsltd.co.ukHQ: Newcastle, United KingdomReported employees: 201-500 | Newcastle, United Kingdom | 201-500 | Exact match | 130 contacts → |
“Commercial Maintenance Services UK Ltd (CMS) is a nationwide market leader in Facilities and Commercial Building Maintenance-proudly built on the values of Responsiveness…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cilantro Engineering UK Limitedcilantroeng.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 126 contacts → |
“Cilantro Engineering is a multi-discipline Building Services Contractor offering a vast range of Mechanical and Electrical Design & Installation services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Airco Refrigeration And AIR Conditioning LTDairco.co.ukHQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 120 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  East West Connect LTDeastwestconnect.comHQ: Perivale, United KingdomReported employees: 201-500 | Perivale, United Kingdom | 201-500 | Exact match | 117 contacts → |
“Founded in 1988, we are a family-owned business of passionate engineers who specialise in building services-driven construction projects, undertaking all major works in-house.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Stothers M&e LTDstothersm-e.co.ukHQ: Belfast, United KingdomReported employees: 51-200 | Belfast, United Kingdom | 51-200 | Exact match | 116 contacts → |
“Founded in 1957, Stothers (M&E) Ltd is a national market leader in the provision of Mechanical and Electrical Building Services and Contract Maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  LJJ LTDljjcontractors.co.ukHQ: Stockton On Tees, United KingdomReported employees: 201-500 | Stockton On Tees, United Kingdom | 201-500 | Exact match | 111 contacts → |
“LJJ formed in 2001 as a private limited company and is a multi-disciplined organisation capable of completing major mechanical, electrical and public health service contracts in a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Oakray Limitedoakray.co.ukHQ: Enfield, United KingdomReported employees: 201-500 | Enfield, United Kingdom | 201-500 | Exact match | 110 contacts → |
“Oakray was established in 1979 and we are very proud of our long heritage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  JCW Energy Services LTDjcwes.comHQ: Melbourn, United KingdomReported employees: 201-500 | Melbourn, United Kingdom | 201-500 | Exact match | 109 contacts → |
“JCW Energy Services is a privately held SME business operating in the building services engineering sector throughout the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  MSE LTDmse-uk.comHQ: Redditch, United KingdomReported employees: 11-50 | Redditch, United Kingdom | 11-50 | Exact match | 102 contacts → |
“MSE are a midlands based building services company and have over 30 years experience in the commercial and industrial environment working with a broad range of clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Woodfordwoodford.ltdHQ: Loughton, United KingdomReported employees: 51-200 | Loughton, United Kingdom | 51-200 | Exact match | 99 contacts → |
“Woodford specialise in mechanical and electrical building services for the construction market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Aircon Groupaircongroup.comHQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 94 contacts → |
“At Aircon Group, we’re dedicated to providing exceptional levels of customer service in Air Conditioning, Refrigeration, and Air-Source Heating Services, which we have done for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,875 company matches
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Mechanical system contractors: dataset insights
November 6, 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
1,806 records in the displayed employee bands.
69 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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,875 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: November 6, 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 ↗
Mechanical system contractors by metro
Questions about this company list
What does Exact match mean for mechanical system 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 mechanical system contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,875 matching company records, 19,735 tracked contacts and 7,526 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: November 6, 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
Mechanical system contractors by geography
- Mechanical system contractors based in Melbourne, Australia
- Mechanical system contractors based in Sydney, Australia
- Mechanical system contractors based in Sao Paulo, Brazil
- Mechanical system contractors based in Brampton, Canada
- Mechanical system contractors based in Burnaby, Canada
- Mechanical system contractors based in Calgary, Canada
- Mechanical system contractors based in Edmonton, Canada
- Mechanical system contractors based in Mississauga, Canada
- Mechanical system contractors based in Montreal, Canada
- Mechanical system contractors based in Ottawa, Canada
- Mechanical system contractors based in Quebec, Canada
- Mechanical system contractors based in Saskatoon, Canada
Cite this list
RevenueBase Data Team. Top 25 mechanical system contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/mechanical-system-contractors/united-kingdom.
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
- Mechanical system contractors based in Melbourne, Australia
- Mechanical system contractors based in Sydney, Australia
- Mechanical system contractors based in Sao Paulo, Brazil
- Mechanical system contractors based in Brampton, Canada
- Mechanical system contractors based in Burnaby, Canada
- Mechanical system contractors based in Calgary, Canada
Company intelligence · public preview
Top 25 mechanical system contractors based in the United Kingdom
RevenueBase records 1,875 matching company records for mechanical system contractors based in the United Kingdom, with 19,735 tracked contacts and 7,526 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: November 6, 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 mechanical system contractors based in the 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 | FES Groupfes-group.co.uk HQ: Stirling, United KingdomReported employees: 501-1,000 | Stirling, United Kingdom | 501-1,000 | Exact match | 629 contacts → |
“The FES Group is one of the largest independent technical services companies in the UK over 60 years of experience providing building services solutions to a wide range of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | City Building Engineering Services Cbescbes.co.uk HQ: Glasgow, United KingdomReported employees: 501-1,000 | Glasgow, United Kingdom | 501-1,000 | Exact match | 380 contacts → |
“City Building Engineering Services is a construction and engineering company providing constructive solutions within a variety of sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Jaguar Building Services LTDjbs-ltd.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 363 contacts → |
“Since 1988, Jaguar Building Services has been a trusted leader in the mechanical, electrical, and public health maintenance of some of London's most prestigious landmark buildings.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Space Engineering Services LTDspace-engineering.co.uk HQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 325 contacts → |
“Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Star Refrigerationstar-ref.co.uk HQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 317 contacts → |
“Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Gratte Brothers Groupgratte.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 268 contacts → |
“Gratte Brothers Group is a leading independent provider of comprehensive building services, renowned for exceptional quality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | JCA Engineeringjca.co.uk HQ: Stevenage, United KingdomReported employees: 201-500 | Stevenage, United Kingdom | 201-500 | Exact match | 241 contacts → |
“JCA is a multi-faceted engineering services and construction business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | BJF Groupbjfgroup.co.uk HQ: Sandling, United KingdomReported employees: 201-500 | Sandling, United Kingdom | 201-500 | Exact match | 194 contacts → |
“BJF Group is a diverse building solutions company comprised of six complementary divisions; Facilities Management, Construction, Mechanical & Electrical, Project Services, MEP…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Carter Synergycartersynergy.com HQ: Birmingham, United KingdomReported employees: 201-500 | Birmingham, United Kingdom | 201-500 | Exact match | 191 contacts → |
“Carter Synergy is a nation-wide provider of refrigeration, mechanical, electrical and other core building services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Aspectaspect.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 154 contacts → |
“Founded in 2004, Aspect combines expertise and innovation to deliver professional property care across London and the South East.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | MCSmcsmc.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 152 contacts → |
“MCS Ltd are specialist building services engineers covering all aspects of commercial and industrial building services and infrastructure engineering across varying market sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sale Groupsalegroup.co.uk HQ: Cheam, United KingdomReported employees: 51-200 | Cheam, United Kingdom | 51-200 | Exact match | 150 contacts → |
“We are a building services company specialised in Mechanical and Public Health sectors, carrying out heating, air conditioning, plumbing and domestic services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Geoffrey Robinson Limitedgeoffreyrobinson.co.uk HQ: Billingham, United KingdomReported employees: 201-500 | Billingham, United Kingdom | 201-500 | Exact match | 148 contacts → |
“Geoffrey Robinson are an award-winning mechanical, electrical and construction contractor, one of the largest in the North East.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Adcock Refrigeration And AIR Conditioningadcock.co.uk HQ: Cambridge, United KingdomReported employees: 201-500 | Cambridge, United Kingdom | 201-500 | Exact match | 146 contacts → |
“Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Commercial Maintenance Services UK Limitedcmsltd.co.uk HQ: Newcastle, United KingdomReported employees: 201-500 | Newcastle, United Kingdom | 201-500 | Exact match | 130 contacts → |
“Commercial Maintenance Services UK Ltd (CMS) is a nationwide market leader in Facilities and Commercial Building Maintenance-proudly built on the values of Responsiveness…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cilantro Engineering UK Limitedcilantroeng.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 126 contacts → |
“Cilantro Engineering is a multi-discipline Building Services Contractor offering a vast range of Mechanical and Electrical Design & Installation services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Airco Refrigeration And AIR Conditioning LTDairco.co.uk HQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 120 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | East West Connect LTDeastwestconnect.com HQ: Perivale, United KingdomReported employees: 201-500 | Perivale, United Kingdom | 201-500 | Exact match | 117 contacts → |
“Founded in 1988, we are a family-owned business of passionate engineers who specialise in building services-driven construction projects, undertaking all major works in-house.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Stothers M&e LTDstothersm-e.co.uk HQ: Belfast, United KingdomReported employees: 51-200 | Belfast, United Kingdom | 51-200 | Exact match | 116 contacts → |
“Founded in 1957, Stothers (M&E) Ltd is a national market leader in the provision of Mechanical and Electrical Building Services and Contract Maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LJJ LTDljjcontractors.co.uk HQ: Stockton On Tees, United KingdomReported employees: 201-500 | Stockton On Tees, United Kingdom | 201-500 | Exact match | 111 contacts → |
“LJJ formed in 2001 as a private limited company and is a multi-disciplined organisation capable of completing major mechanical, electrical and public health service contracts in a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Oakray Limitedoakray.co.uk HQ: Enfield, United KingdomReported employees: 201-500 | Enfield, United Kingdom | 201-500 | Exact match | 110 contacts → |
“Oakray was established in 1979 and we are very proud of our long heritage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | JCW Energy Services LTDjcwes.com HQ: Melbourn, United KingdomReported employees: 201-500 | Melbourn, United Kingdom | 201-500 | Exact match | 109 contacts → |
“JCW Energy Services is a privately held SME business operating in the building services engineering sector throughout the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | MSE LTDmse-uk.com HQ: Redditch, United KingdomReported employees: 11-50 | Redditch, United Kingdom | 11-50 | Exact match | 102 contacts → |
“MSE are a midlands based building services company and have over 30 years experience in the commercial and industrial environment working with a broad range of clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Woodfordwoodford.ltd HQ: Loughton, United KingdomReported employees: 51-200 | Loughton, United Kingdom | 51-200 | Exact match | 99 contacts → |
“Woodford specialise in mechanical and electrical building services for the construction market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Aircon Groupaircongroup.com HQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 94 contacts → |
“At Aircon Group, we’re dedicated to providing exceptional levels of customer service in Air Conditioning, Refrigeration, and Air-Source Heating Services, which we have done for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Mechanical system contractors: dataset insights
November 6, 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
1,806 records in the displayed employee bands.
69 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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,875 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: November 6, 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 ↗
Mechanical system contractors by metro
Questions about this company list
What does Exact match mean for mechanical system 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 mechanical system contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,875 matching company records, 19,735 tracked contacts and 7,526 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: November 6, 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
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- Mechanical system contractors based in Saskatoon, Canada
Cite this list
RevenueBase Data Team. Top 25 mechanical system contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/mechanical-system-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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