Company lists · Data refreshed September 2026
Top 25 Mechanical systems integrators based in the United Kingdom
RevenueBase identified 1,302 company matches for mechanical systems integrators associated with the United Kingdom as of September 2026 and tracks 17,447 professional contacts across them, including 6,747 with verified work emails. London is the largest hub.
This list covers company matches for mechanical systems integrators 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 September 28, 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 integrators based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 661 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 597 contacts → | ||||
Exact match “SES Engineering Services boasts a rich 65-year history delivering engineering excellence in the UK.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 505 contacts → | ||||
Exact match “Since 1931 we have been harnessing the natural elements to provide healthy, comfortable and safe working and living conditions in buildings.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 456 contacts → | ||||
Exact match “As a leading mechanical & electrical engineering provider, we design, install and maintain the complex systems and technologies that underpin the UK’s national infrastructure and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 443 contacts → | ||||
Exact match “Beck & Pollitzer is the world’s leading provider of complex engineering solutions, including industrial installation and relocation services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 386 contacts → | ||||
Exact match “Trinity’s mission statement is simple - to provide high quality design, installation, commissioning and long term after care of Fire Detection, Fire Suppression, Life Safety and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 312 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 298 contacts → | ||||
Exact match “Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 273 contacts → | ||||
Exact match “We are March.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 270 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 190 contacts → | ||||
Exact match “At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 167 contacts → | ||||
Exact match “For over 55 years, VES has been at the heart of British manufacturing, delivering intelligent ventilation solutions that keep buildings running efficiently.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 156 contacts → | ||||
Exact match “Swegon is a market leading supplier of energy efficient indoor climate, cooling and life safety systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 155 contacts → | ||||
Exact match “Established in 2003, JCK has successfully and consistently been delivering excellent service to clients in our areas of specialism: Mechanical, Electrical & Public Health Building…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 139 contacts → | ||||
Exact match “Shaping the future, together.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 138 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 123 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 114 contacts → | ||||
Exact match “Neil Fisher started Airco in 1991.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 111 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 107 contacts → | ||||
Exact match “Hotchkiss is the UK's leading air conditioning and ventilation contractor.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 105 contacts → | ||||
Exact match “Formed in 1961, PCE Automation Ltd has established itself as an automation solutions provider for a wide range of product handling, assembling and testing systems with a worldwide…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 103 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 102 contacts → | ||||
Exact match “We are EFT Group.” Recorded in the RevenueBase company graph · Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 94 contacts → | ||||
Exact match “Better protect your people, places and spaces.” Recorded in the RevenueBase company graph · Sep 28, 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 integrators”. 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 1,302 mechanical systems integrators based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 6,747 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Mechanical systems integrators based in the United Kingdom at a glance
As of Sep 28, 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 1,302 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 integrators” 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 6,747 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 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 integrators 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 integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mechanical systems integrators are there based in the United Kingdom?
RevenueBase identified 1,302 company matches for mechanical systems integrators associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
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 systems integrators?
London leads with 100 company records, followed by Birmingham (25) and Manchester (24).
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 6,747 professional contacts with verified work emails tracked across these 1,302 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,302 mechanical systems integrators based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Mechanical systems integrators by geography
- Mechanical systems integrators based in Sydney, Australia
- Mechanical systems integrators based in Belo Horizonte, Brazil
- Mechanical systems integrators based in Campinas, Brazil
- Mechanical systems integrators based in Curitiba, Brazil
- Mechanical systems integrators based in Rio De Janeiro, Brazil
- Mechanical systems integrators based in Sao Paulo, Brazil
- Mechanical systems integrators based in Calgary, Canada
- Mechanical systems integrators based in Edmonton, Canada
- Mechanical systems integrators based in Mississauga, Canada
- Mechanical systems integrators based in Montreal, Canada
- Mechanical systems integrators based in Toronto, Canada
- Mechanical systems integrators based in Zagreb, Croatia
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 integrators based in Sydney, Australia
- Mechanical systems integrators based in Belo Horizonte, Brazil
- Mechanical systems integrators based in Campinas, Brazil
- Mechanical systems integrators based in Curitiba, Brazil
- Mechanical systems integrators based in Rio De Janeiro, Brazil
- Mechanical systems integrators based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 mechanical systems integrators 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 1,302 matching company records for mechanical systems integrators based in the United Kingdom, with 17,447 tracked contacts and 6,747 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 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 integrators 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 | 661 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  SES Engineering Servicesses-ltd.co.ukHQ: York, United KingdomReported employees: 501-1,000 | York, United Kingdom | 501-1,000 | Exact match | 597 contacts → |
“SES Engineering Services boasts a rich 65-year history delivering engineering excellence in the UK.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Colt Internationalcoltgroup.com HQ: Petersfield, United KingdomReported employees: 1,001-5,000 | Petersfield, United Kingdom | 1,001-5,000 | Exact match | 505 contacts → |
“Since 1931 we have been harnessing the natural elements to provide healthy, comfortable and safe working and living conditions in buildings.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Balfour Beatty Kilpatrickbalfourbeatty.comHQ: Glasgow, United KingdomReported employees: 1,001-5,000 | Glasgow, United Kingdom | 1,001-5,000 | Exact match | 456 contacts → |
“As a leading mechanical & electrical engineering provider, we design, install and maintain the complex systems and technologies that underpin the UK’s national infrastructure and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Beck & Pollitzerbeck-pollitzer.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 443 contacts → |
“Beck & Pollitzer is the world’s leading provider of complex engineering solutions, including industrial installation and relocation services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Trinity Fire & Security Systemstrinityfireandsecurity.comHQ: Exeter, United KingdomReported employees: 501-1,000 | Exeter, United Kingdom | 501-1,000 | Exact match | 386 contacts → |
“Trinity’s mission statement is simple - to provide high quality design, installation, commissioning and long term after care of Fire Detection, Fire Suppression, Life Safety and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Space Engineering Services LTDspace-engineering.co.ukHQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 312 contacts → |
“Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Star Refrigerationstar-ref.co.ukHQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 298 contacts → |
“Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  MARCHmarch-engineering.comHQ: Multiple Locations Uk-wide, United KingdomReported employees: 1,001-5,000 | Multiple Locations Uk-wide, United Kingdom | 1,001-5,000 | Exact match | 273 contacts → |
“We are March.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Gratte Brothers Groupgratte.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 270 contacts → |
“Gratte Brothers Group is a leading independent provider of comprehensive building services, renowned for exceptional quality.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Actemium UKactemium.co.ukHQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 190 contacts → |
“At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  VESves.co.ukHQ: Eastleigh, United KingdomReported employees: 201-500 | Eastleigh, United Kingdom | 201-500 | Exact match | 167 contacts → |
“For over 55 years, VES has been at the heart of British manufacturing, delivering intelligent ventilation solutions that keep buildings running efficiently.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Swegon Uk&iswegon.comHQ: Ashby-de-la-zouch, United KingdomReported employees: 501-1,000 | Ashby-de-la-zouch, United Kingdom | 501-1,000 | Exact match | 156 contacts → |
“Swegon is a market leading supplier of energy efficient indoor climate, cooling and life safety systems.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  JCK Limitedjckltd.comHQ: Colnbrook, United KingdomReported employees: 201-500 | Colnbrook, United Kingdom | 201-500 | Exact match | 155 contacts → |
“Established in 2003, JCK has successfully and consistently been delivering excellent service to clients in our areas of specialism: Mechanical, Electrical & Public Health Building…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  DPS Groupdp-sgroup.co.ukHQ: Glenrothes, United KingdomReported employees: 51-200 | Glenrothes, United Kingdom | 51-200 | Exact match | 139 contacts → |
“Shaping the future, together.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  MCSmcsmc.co.ukHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 138 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cilantro Engineering UK Limitedcilantroeng.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 123 contacts → |
“Cilantro Engineering is a multi-discipline Building Services Contractor offering a vast range of Mechanical and Electrical Design & Installation services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Airco Refrigeration And AIR Conditioning LTDairco.co.ukHQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 114 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | East West Connect LTDeastwestconnect.com HQ: Perivale, United KingdomReported employees: 201-500 | Perivale, United Kingdom | 201-500 | Exact match | 111 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Hotchkiss LTDhotchkiss.co.ukHQ: Eastbourne, United KingdomReported employees: 201-500 | Eastbourne, United Kingdom | 201-500 | Exact match | 107 contacts → |
“Hotchkiss is the UK's leading air conditioning and ventilation contractor.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  PCE Automationpceautomation.co.ukHQ: Beccles, United KingdomReported employees: 201-500 | Beccles, United Kingdom | 201-500 | Exact match | 105 contacts → |
“Formed in 1961, PCE Automation Ltd has established itself as an automation solutions provider for a wide range of product handling, assembling and testing systems with a worldwide…” Recorded description excerpt · September 28, 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 | 103 contacts → |
“JCW Energy Services is a privately held SME business operating in the building services engineering sector throughout the UK.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  EFT Groupeftgroup.co.ukHQ: Southport, United KingdomReported employees: 51-200 | Southport, United Kingdom | 51-200 | Exact match | 102 contacts → |
“We are EFT Group.” Recorded description excerpt · September 28, 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Total Integrated Solutions TIS LTDtis.co.ukHQ: Mansfield, United KingdomReported employees: 51-200 | Mansfield, United Kingdom | 51-200 | Exact match | 94 contacts → |
“Better protect your people, places and spaces.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,302 company matches
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Mechanical systems integrators: dataset insights
September 28, 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
1,290 records in the displayed employee bands.
12 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 1,302 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 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 integrators by metro
Questions about this company list
What does Exact match mean for mechanical systems integrators?
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 integrators did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,302 matching company records, 17,447 tracked contacts and 6,747 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 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 integrators by geography
- Mechanical systems integrators based in Sydney, Australia
- Mechanical systems integrators based in Belo Horizonte, Brazil
- Mechanical systems integrators based in Campinas, Brazil
- Mechanical systems integrators based in Curitiba, Brazil
- Mechanical systems integrators based in Rio De Janeiro, Brazil
- Mechanical systems integrators based in Sao Paulo, Brazil
- Mechanical systems integrators based in Calgary, Canada
- Mechanical systems integrators based in Edmonton, Canada
- Mechanical systems integrators based in Mississauga, Canada
- Mechanical systems integrators based in Montreal, Canada
- Mechanical systems integrators based in Toronto, Canada
- Mechanical systems integrators based in Zagreb, Croatia
Cite this list
RevenueBase Data Team. Top 25 mechanical systems integrators based in the United Kingdom. Snapshot: September 28, 2026. https://revenuebase.ai/companies/mechanical-systems-integrators/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 integrators based in Sydney, Australia
- Mechanical systems integrators based in Belo Horizonte, Brazil
- Mechanical systems integrators based in Campinas, Brazil
- Mechanical systems integrators based in Curitiba, Brazil
- Mechanical systems integrators based in Rio De Janeiro, Brazil
- Mechanical systems integrators based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 mechanical systems integrators based in the United Kingdom
RevenueBase records 1,302 matching company records for mechanical systems integrators based in the United Kingdom, with 17,447 tracked contacts and 6,747 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 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 integrators 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 | 661 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SES Engineering Servicesses-ltd.co.uk HQ: York, United KingdomReported employees: 501-1,000 | York, United Kingdom | 501-1,000 | Exact match | 597 contacts → |
“SES Engineering Services boasts a rich 65-year history delivering engineering excellence in the UK.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Colt Internationalcoltgroup.com HQ: Petersfield, United KingdomReported employees: 1,001-5,000 | Petersfield, United Kingdom | 1,001-5,000 | Exact match | 505 contacts → |
“Since 1931 we have been harnessing the natural elements to provide healthy, comfortable and safe working and living conditions in buildings.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Balfour Beatty Kilpatrickbalfourbeatty.com HQ: Glasgow, United KingdomReported employees: 1,001-5,000 | Glasgow, United Kingdom | 1,001-5,000 | Exact match | 456 contacts → |
“As a leading mechanical & electrical engineering provider, we design, install and maintain the complex systems and technologies that underpin the UK’s national infrastructure and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Beck & Pollitzerbeck-pollitzer.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 443 contacts → |
“Beck & Pollitzer is the world’s leading provider of complex engineering solutions, including industrial installation and relocation services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Trinity Fire & Security Systemstrinityfireandsecurity.com HQ: Exeter, United KingdomReported employees: 501-1,000 | Exeter, United Kingdom | 501-1,000 | Exact match | 386 contacts → |
“Trinity’s mission statement is simple - to provide high quality design, installation, commissioning and long term after care of Fire Detection, Fire Suppression, Life Safety and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Space Engineering Services LTDspace-engineering.co.uk HQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 312 contacts → |
“Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Star Refrigerationstar-ref.co.uk HQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 298 contacts → |
“Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MARCHmarch-engineering.com HQ: Multiple Locations Uk-wide, United KingdomReported employees: 1,001-5,000 | Multiple Locations Uk-wide, United Kingdom | 1,001-5,000 | Exact match | 273 contacts → |
“We are March.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Gratte Brothers Groupgratte.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 270 contacts → |
“Gratte Brothers Group is a leading independent provider of comprehensive building services, renowned for exceptional quality.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Actemium UKactemium.co.uk HQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 190 contacts → |
“At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | VESves.co.uk HQ: Eastleigh, United KingdomReported employees: 201-500 | Eastleigh, United Kingdom | 201-500 | Exact match | 167 contacts → |
“For over 55 years, VES has been at the heart of British manufacturing, delivering intelligent ventilation solutions that keep buildings running efficiently.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Swegon Uk&iswegon.com HQ: Ashby-de-la-zouch, United KingdomReported employees: 501-1,000 | Ashby-de-la-zouch, United Kingdom | 501-1,000 | Exact match | 156 contacts → |
“Swegon is a market leading supplier of energy efficient indoor climate, cooling and life safety systems.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | JCK Limitedjckltd.com HQ: Colnbrook, United KingdomReported employees: 201-500 | Colnbrook, United Kingdom | 201-500 | Exact match | 155 contacts → |
“Established in 2003, JCK has successfully and consistently been delivering excellent service to clients in our areas of specialism: Mechanical, Electrical & Public Health Building…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | DPS Groupdp-sgroup.co.uk HQ: Glenrothes, United KingdomReported employees: 51-200 | Glenrothes, United Kingdom | 51-200 | Exact match | 139 contacts → |
“Shaping the future, together.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | MCSmcsmc.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 138 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cilantro Engineering UK Limitedcilantroeng.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 123 contacts → |
“Cilantro Engineering is a multi-discipline Building Services Contractor offering a vast range of Mechanical and Electrical Design & Installation services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Airco Refrigeration And AIR Conditioning LTDairco.co.uk HQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 114 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | East West Connect LTDeastwestconnect.com HQ: Perivale, United KingdomReported employees: 201-500 | Perivale, United Kingdom | 201-500 | Exact match | 111 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hotchkiss LTDhotchkiss.co.uk HQ: Eastbourne, United KingdomReported employees: 201-500 | Eastbourne, United Kingdom | 201-500 | Exact match | 107 contacts → |
“Hotchkiss is the UK's leading air conditioning and ventilation contractor.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | PCE Automationpceautomation.co.uk HQ: Beccles, United KingdomReported employees: 201-500 | Beccles, United Kingdom | 201-500 | Exact match | 105 contacts → |
“Formed in 1961, PCE Automation Ltd has established itself as an automation solutions provider for a wide range of product handling, assembling and testing systems with a worldwide…” Recorded description excerpt · September 28, 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 | 103 contacts → |
“JCW Energy Services is a privately held SME business operating in the building services engineering sector throughout the UK.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | EFT Groupeftgroup.co.uk HQ: Southport, United KingdomReported employees: 51-200 | Southport, United Kingdom | 51-200 | Exact match | 102 contacts → |
“We are EFT Group.” Recorded description excerpt · September 28, 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Total Integrated Solutions TIS LTDtis.co.uk HQ: Mansfield, United KingdomReported employees: 51-200 | Mansfield, United Kingdom | 51-200 | Exact match | 94 contacts → |
“Better protect your people, places and spaces.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,302 company matches
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Mechanical systems integrators: dataset insights
September 28, 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
1,290 records in the displayed employee bands.
12 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 1,302 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 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 integrators by metro
Questions about this company list
What does Exact match mean for mechanical systems integrators?
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 integrators did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,302 matching company records, 17,447 tracked contacts and 6,747 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 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 integrators by geography
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- Mechanical systems integrators based in Curitiba, Brazil
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- Mechanical systems integrators based in Sao Paulo, Brazil
- Mechanical systems integrators based in Calgary, Canada
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- Mechanical systems integrators based in Mississauga, Canada
- Mechanical systems integrators based in Montreal, Canada
- Mechanical systems integrators based in Toronto, Canada
- Mechanical systems integrators based in Zagreb, Croatia
Cite this list
RevenueBase Data Team. Top 25 mechanical systems integrators based in the United Kingdom. Snapshot: September 28, 2026. https://revenuebase.ai/companies/mechanical-systems-integrators/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
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- Mechanical systems integrators based in Sydney, Australia
- Mechanical systems integrators based in Belo Horizonte, Brazil
- Mechanical systems integrators based in Campinas, Brazil
- Mechanical systems integrators based in Curitiba, Brazil
- Mechanical systems integrators based in Rio De Janeiro, Brazil
- Mechanical systems integrators based in Sao Paulo, Brazil