Company lists · Data refreshed October 2026
Top 25 Mechanical systems contractors based in the United Kingdom
RevenueBase identified 1,360 company matches for mechanical systems contractors associated with the United Kingdom as of October 2026 and tracks 13,043 professional contacts across them, including 5,138 with verified work emails. London is the largest hub.
This list covers company matches for mechanical systems 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 October 18, 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 systems contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 353 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 2 | 324 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 3 | 186 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 4 | 151 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 5 | 141 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 6 | 136 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 7 | 131 contacts → | ||||
Exact match “J&B Hopkins is an employee-owned MEP design and build contractor delivering sustainable, high-quality building services solutions across the UK.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 8 | 125 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 9 | 119 contacts → | ||||
Exact match “Neil Fisher started Airco in 1991.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 10 | 116 contacts → | ||||
Exact match “For over 60 years, Watkins has been a leading provider of Mechanical, Electrical and Plumbing services in London and SE England.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 11 | 114 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 12 | 111 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 13 | 110 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 14 | 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 15 | 101 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 16 | 100 contacts → | ||||
Exact match “Woodford specialise in mechanical and electrical building services for the construction market.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 17 | 87 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 · Oct 18, 2026 · View company records in RevenueBase | |||||
| 18 | 82 contacts → | ||||
Exact match “Accent Services has served the air conditioning industry since 1978, growing in experience to become one of the industry’s leading specialist organisations by providing a full…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 19 | 81 contacts → | ||||
Exact match “Established in 1955, we are a leading mechanical and electrical building services engineering contractor operating throughout the United Kingdom and Ireland.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 20 | 80 contacts → | ||||
Exact match “HFL Building Solutions Group offers mobile maintenance services, integrated facilities services and building environmental services to wide range of sectors.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 21 | 74 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 22 | 69 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 23 | 66 contacts → | ||||
Exact match “Since 1986, INTOHEAT Ltd have been trusted to deliver Mechanical and Electrical works for major projects across the South West of the UK.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 24 | 64 contacts → | ||||
Exact match “Mitton Group is the name behind one of the UK’s leading building services specialists, providing professional and comprehensive mechanical building services solutions for new and…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 25 | 64 contacts → | ||||
Exact match “Electrical and Mechanical Contractors.” Recorded in the RevenueBase company graph · Oct 18, 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 systems 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 1,360 mechanical systems contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 5,138 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Mechanical systems contractors based in the United Kingdom at a glance
As of Oct 18, 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 1,360 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 systems 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 5,138 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 18, 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 systems 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 systems contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mechanical systems contractors are there based in the United Kingdom?
RevenueBase identified 1,360 company matches for mechanical systems contractors associated with the United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Jaguar Building Services LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most mechanical systems contractors?
London leads with 120 company records, followed by Bristol (25) and Birmingham (20).
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 5,138 professional contacts with verified work emails tracked across these 1,360 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 18, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,360 mechanical systems contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Mechanical systems contractors by geography
- Mechanical systems contractors based in Sao Paulo, Brazil
- Mechanical systems contractors based in Burnaby, Canada
- Mechanical systems contractors based in Calgary, Canada
- Mechanical systems contractors based in Edmonton, Canada
- Mechanical systems contractors based in Mississauga, Canada
- Mechanical systems contractors based in Toronto, Canada
- Mechanical systems contractors based in Vaughan, Canada
- Mechanical systems contractors based in Berlin, Germany
- Mechanical systems contractors based in Mumbai, India
- Mechanical systems contractors based in Rome, Italy
- Mechanical systems contractors based in Auckland, New Zealand
- Mechanical systems contractors based in Warsaw, Poland
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 systems contractors based in Sao Paulo, Brazil
- Mechanical systems contractors based in Burnaby, Canada
- Mechanical systems contractors based in Calgary, Canada
- Mechanical systems contractors based in Edmonton, Canada
- Mechanical systems contractors based in Mississauga, Canada
- Mechanical systems contractors based in Toronto, Canada
Company intelligence · public preview
Top 25 mechanical systems 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 1,360 matching company records for mechanical systems contractors based in the United Kingdom, with 13,043 tracked contacts and 5,138 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 18, 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 systems 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 |  Jaguar Building Services LTDjbs-ltd.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 353 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Space Engineering Services LTDspace-engineering.co.ukHQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 324 contacts → |
“Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Carter Synergycartersynergy.comHQ: Birmingham, United KingdomReported employees: 201-500 | Birmingham, United Kingdom | 201-500 | Exact match | 186 contacts → |
“Carter Synergy is a nation-wide provider of refrigeration, mechanical, electrical and other core building services.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  MCSmcsmc.co.ukHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 151 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sale Groupsalegroup.co.ukHQ: Cheam, United KingdomReported employees: 51-200 | Cheam, United Kingdom | 51-200 | Exact match | 141 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Adcock Refrigeration And AIR Conditioningadcock.co.ukHQ: Cambridge, United KingdomReported employees: 201-500 | Cambridge, United Kingdom | 201-500 | Exact match | 136 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | J&b Hopkins LTDjbhopkins.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 131 contacts → |
“J&B Hopkins is an employee-owned MEP design and build contractor delivering sustainable, high-quality building services solutions across the UK.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Cilantro Engineering UK Limitedcilantroeng.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 125 contacts → |
“Cilantro Engineering is a multi-discipline Building Services Contractor offering a vast range of Mechanical and Electrical Design & Installation services.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Airco Refrigeration And AIR Conditioning LTDairco.co.ukHQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 119 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Watkinswatkins.co.ukHQ: Ramsgate, United KingdomReported employees: 51-200 | Ramsgate, United Kingdom | 51-200 | Exact match | 116 contacts → |
“For over 60 years, Watkins has been a leading provider of Mechanical, Electrical and Plumbing services in London and SE England.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | LJJ LTDljjcontractors.co.uk HQ: Stockton On Tees, United KingdomReported employees: 201-500 | Stockton On Tees, United Kingdom | 201-500 | Exact match | 114 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Stothers M&e LTDstothersm-e.co.uk HQ: Belfast, United KingdomReported employees: 51-200 | Belfast, United Kingdom | 51-200 | Exact match | 111 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | East West Connect LTDeastwestconnect.com HQ: Perivale, United KingdomReported employees: 201-500 | Perivale, United Kingdom | 201-500 | Exact match | 110 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | JCW Energy Services LTDjcwes.com HQ: Melbourn, United KingdomReported employees: 201-500 | Melbourn, United Kingdom | 201-500 | Exact match | 101 contacts → |
“JCW Energy Services is a privately held SME business operating in the building services engineering sector throughout the UK.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Woodfordwoodford.ltd HQ: Loughton, United KingdomReported employees: 51-200 | Loughton, United Kingdom | 51-200 | Exact match | 100 contacts → |
“Woodford specialise in mechanical and electrical building services for the construction market.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Grant Walker Engineeringg-w-e.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 87 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Accent Services AC LTDaccent.acHQ: Shepperton, United KingdomReported employees: 51-200 | Shepperton, United Kingdom | 51-200 | Exact match | 82 contacts → |
“Accent Services has served the air conditioning industry since 1978, growing in experience to become one of the industry’s leading specialist organisations by providing a full…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Vaughan Engineering Groupvaughan-group.co.uk HQ: Newtownabbey, United KingdomReported employees: 51-200 | Newtownabbey, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Established in 1955, we are a leading mechanical and electrical building services engineering contractor operating throughout the United Kingdom and Ireland.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  HFL Building Solutions Grouphflbuildingsolutions.co.ukHQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 80 contacts → |
“HFL Building Solutions Group offers mobile maintenance services, integrated facilities services and building environmental services to wide range of sectors.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  AEM LTDaem-ltd.comHQ: Belfast, United KingdomReported employees: 51-200 | Belfast, United Kingdom | 51-200 | Exact match | 74 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Hutcheon Services LTDhutcheon.servicesHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 69 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Intoheat LTDintoheat.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 66 contacts → |
“Since 1986, INTOHEAT Ltd have been trusted to deliver Mechanical and Electrical works for major projects across the South West of the UK.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Mitton Groupmittongroup.com HQ: Bradford, United KingdomReported employees: 201-500 | Bradford, United Kingdom | 201-500 | Exact match | 64 contacts → |
“Mitton Group is the name behind one of the UK’s leading building services specialists, providing professional and comprehensive mechanical building services solutions for new and…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Midwest Mechanical And Electrical Services LTDmidwest.co.uk HQ: Wolverhampton, United KingdomReported employees: 201-500 | Wolverhampton, United Kingdom | 201-500 | Exact match | 64 contacts → |
“Electrical and Mechanical Contractors.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,360 company matches
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Mechanical systems contractors: dataset insights
October 18, 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
1,350 records in the displayed employee bands.
10 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 1,360 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 18, 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 systems contractors by metro
Questions about this company list
What does Exact match mean for mechanical systems 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 systems contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,360 matching company records, 13,043 tracked contacts and 5,138 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 18, 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 systems contractors by geography
- Mechanical systems contractors based in Sao Paulo, Brazil
- Mechanical systems contractors based in Burnaby, Canada
- Mechanical systems contractors based in Calgary, Canada
- Mechanical systems contractors based in Edmonton, Canada
- Mechanical systems contractors based in Mississauga, Canada
- Mechanical systems contractors based in Toronto, Canada
- Mechanical systems contractors based in Vaughan, Canada
- Mechanical systems contractors based in Berlin, Germany
- Mechanical systems contractors based in Mumbai, India
- Mechanical systems contractors based in Rome, Italy
- Mechanical systems contractors based in Auckland, New Zealand
- Mechanical systems contractors based in Warsaw, Poland
Cite this list
RevenueBase Data Team. Top 25 mechanical systems contractors based in the United Kingdom. Snapshot: October 18, 2026. https://revenuebase.ai/companies/mechanical-systems-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 systems contractors based in Sao Paulo, Brazil
- Mechanical systems contractors based in Burnaby, Canada
- Mechanical systems contractors based in Calgary, Canada
- Mechanical systems contractors based in Edmonton, Canada
- Mechanical systems contractors based in Mississauga, Canada
- Mechanical systems contractors based in Toronto, Canada
Company intelligence · public preview
Top 25 mechanical systems contractors based in the United Kingdom
RevenueBase records 1,360 matching company records for mechanical systems contractors based in the United Kingdom, with 13,043 tracked contacts and 5,138 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 18, 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 systems 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 | Jaguar Building Services LTDjbs-ltd.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 353 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Space Engineering Services LTDspace-engineering.co.uk HQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 324 contacts → |
“Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Carter Synergycartersynergy.com HQ: Birmingham, United KingdomReported employees: 201-500 | Birmingham, United Kingdom | 201-500 | Exact match | 186 contacts → |
“Carter Synergy is a nation-wide provider of refrigeration, mechanical, electrical and other core building services.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | MCSmcsmc.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 151 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sale Groupsalegroup.co.uk HQ: Cheam, United KingdomReported employees: 51-200 | Cheam, United Kingdom | 51-200 | Exact match | 141 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Adcock Refrigeration And AIR Conditioningadcock.co.uk HQ: Cambridge, United KingdomReported employees: 201-500 | Cambridge, United Kingdom | 201-500 | Exact match | 136 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | J&b Hopkins LTDjbhopkins.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 131 contacts → |
“J&B Hopkins is an employee-owned MEP design and build contractor delivering sustainable, high-quality building services solutions across the UK.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cilantro Engineering UK Limitedcilantroeng.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 125 contacts → |
“Cilantro Engineering is a multi-discipline Building Services Contractor offering a vast range of Mechanical and Electrical Design & Installation services.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Airco Refrigeration And AIR Conditioning LTDairco.co.uk HQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 119 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Watkinswatkins.co.uk HQ: Ramsgate, United KingdomReported employees: 51-200 | Ramsgate, United Kingdom | 51-200 | Exact match | 116 contacts → |
“For over 60 years, Watkins has been a leading provider of Mechanical, Electrical and Plumbing services in London and SE England.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | LJJ LTDljjcontractors.co.uk HQ: Stockton On Tees, United KingdomReported employees: 201-500 | Stockton On Tees, United Kingdom | 201-500 | Exact match | 114 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Stothers M&e LTDstothersm-e.co.uk HQ: Belfast, United KingdomReported employees: 51-200 | Belfast, United Kingdom | 51-200 | Exact match | 111 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | East West Connect LTDeastwestconnect.com HQ: Perivale, United KingdomReported employees: 201-500 | Perivale, United Kingdom | 201-500 | Exact match | 110 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | JCW Energy Services LTDjcwes.com HQ: Melbourn, United KingdomReported employees: 201-500 | Melbourn, United Kingdom | 201-500 | Exact match | 101 contacts → |
“JCW Energy Services is a privately held SME business operating in the building services engineering sector throughout the UK.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Woodfordwoodford.ltd HQ: Loughton, United KingdomReported employees: 51-200 | Loughton, United Kingdom | 51-200 | Exact match | 100 contacts → |
“Woodford specialise in mechanical and electrical building services for the construction market.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Grant Walker Engineeringg-w-e.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 87 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 · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Accent Services AC LTDaccent.ac HQ: Shepperton, United KingdomReported employees: 51-200 | Shepperton, United Kingdom | 51-200 | Exact match | 82 contacts → |
“Accent Services has served the air conditioning industry since 1978, growing in experience to become one of the industry’s leading specialist organisations by providing a full…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Vaughan Engineering Groupvaughan-group.co.uk HQ: Newtownabbey, United KingdomReported employees: 51-200 | Newtownabbey, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Established in 1955, we are a leading mechanical and electrical building services engineering contractor operating throughout the United Kingdom and Ireland.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HFL Building Solutions Grouphflbuildingsolutions.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 80 contacts → |
“HFL Building Solutions Group offers mobile maintenance services, integrated facilities services and building environmental services to wide range of sectors.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | AEM LTDaem-ltd.com HQ: Belfast, United KingdomReported employees: 51-200 | Belfast, United Kingdom | 51-200 | Exact match | 74 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Hutcheon Services LTDhutcheon.services HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 69 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Intoheat LTDintoheat.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 66 contacts → |
“Since 1986, INTOHEAT Ltd have been trusted to deliver Mechanical and Electrical works for major projects across the South West of the UK.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Mitton Groupmittongroup.com HQ: Bradford, United KingdomReported employees: 201-500 | Bradford, United Kingdom | 201-500 | Exact match | 64 contacts → |
“Mitton Group is the name behind one of the UK’s leading building services specialists, providing professional and comprehensive mechanical building services solutions for new and…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Midwest Mechanical And Electrical Services LTDmidwest.co.uk HQ: Wolverhampton, United KingdomReported employees: 201-500 | Wolverhampton, United Kingdom | 201-500 | Exact match | 64 contacts → |
“Electrical and Mechanical Contractors.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,360 company matches
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Mechanical systems contractors: dataset insights
October 18, 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
1,350 records in the displayed employee bands.
10 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 1,360 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 18, 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 systems contractors by metro
Questions about this company list
What does Exact match mean for mechanical systems 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 systems contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,360 matching company records, 13,043 tracked contacts and 5,138 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 18, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 mechanical systems contractors based in the United Kingdom. Snapshot: October 18, 2026. https://revenuebase.ai/companies/mechanical-systems-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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