Company lists · Data refreshed September 2026
Top 23 Mechanical systems integration companies based in London, United Kingdom
RevenueBase identified 108 company matches for mechanical systems integration companies associated with London, United Kingdom as of September 2026 and tracks 1,256 professional contacts across them, including 465 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for mechanical systems integration companies associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed 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 23 largest mechanical systems integration companies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 81 contacts → | ||||
Exact match “Grant Walker Engineering specialise in the complete installation of Electrical and Mechanical systems across all work sectors including quality office developments, commercial and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 42 contacts → | ||||
Exact match “The core activities of our business are all aspects of mechanical and electrical services including air conditioning, sprinkler systems, CHW<HW, ventilation, BMS, door entry and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 37 contacts → | ||||
Exact match “We are systems integrators.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 35 contacts → | ||||
Exact match “Here at ECS Systems we pride ourselves on providing the highest level of personalised service, to every client.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 32 contacts → | ||||
Exact match “Master Systems Integrator OKTO Technologies is a leader in the design, development & installation of Smart Building Technology for- SuperPrime Residential - Luxury Hospitality -…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 27 contacts → | ||||
Exact match “AMAZING DIGITAL EXPERIENCES THAT WOW BY DESIGN Torpedo Factory Group is a Master Systems Integrator providing professional services for Intelligent Environments & Smart Buildings…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 13 contacts → | ||||
Exact match “S&G are a Mechanical Contractor with offices in London, Wales and the Midlands.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 11 contacts → | ||||
Exact match “Automatry combines building controls engineering with software development for the built environment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 11 contacts → | ||||
Exact match “We are an award-winning, SafeContractor approved company specialised in SMART automation technologies and entertainment systems for the residential and commercial sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 10 contacts → | ||||
Exact match “Unlock the Full Potential of Your Building with MSI Works!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 7 contacts → | ||||
Exact match “Working, first time, every time." RMH Group is a SMART Building technology consultancy providing turnkey solutions, from the design to the supply and implementation of…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “Providing our Clients with every aspect of Mechanical services from design concept to completion on time with professionalism.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “Harrison How Limited are situated in the heart of London and have been serving clients since 1939.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “London based security systems integrator presently engaged on some of the most existing London landmark buildings.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “Welcome to Mechanical Contracts Ltd, your trusted partner in comprehensive mechanical solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “At J&M Mechanical Services, we specialise in providing expert mechanical solutions for commercial and industrial clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “With over 50 years’ experience within the industry Racsel Building Services Limited specialize in Design, Installation, Maintenance and Servicing of heating, ventilation, cooling…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “designflow provides system design and documentation services to system integrators working in smart buildings and home technology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Tenways Engineering provides Installation and control solutions for HVAC.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Hoveair are specialists in all disciplines of the Air Conditioning, Heating and Ventilation and Industry, giving comprehensive Design, Management, Installation, Commissioning and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “M-I-S are a specialist mechanical services contractor.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “NLP Consult Ltd offer bespoke Design, Project Management, Supply Chain Development, Commissioning and Delivery of Integrated Systems in compliance with industry standards.” 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 integration companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 23 of 108 mechanical systems integration companies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 465 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Mechanical systems integration companies based in London, United Kingdom at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 108 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with London, United Kingdom whose business descriptions match “mechanical systems integration companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 465 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 integration companies by metro in the United Kingdom
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “mechanical systems integration companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mechanical systems integration companies are there based in London, United Kingdom?
RevenueBase identified 108 company matches for mechanical systems integration companies associated with London, United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Beck & Pollitzer tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United Kingdom has the most mechanical systems integration companies?
London leads the United Kingdom with 108 company records, followed by Birmingham (27) and Bristol (25).
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 465 professional contacts with verified work emails tracked across these 108 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 108 mechanical systems integration companies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Mechanical systems integration companies by geography
- Mechanical systems integration companies based in Brisbane, Australia
- Mechanical systems integration companies based in Sydney, Australia
- Mechanical systems integration companies based in Belo Horizonte, Brazil
- Mechanical systems integration companies based in Campinas, Brazil
- Mechanical systems integration companies based in Curitiba, Brazil
- Mechanical systems integration companies based in Rio De Janeiro, Brazil
- Mechanical systems integration companies based in Sao Paulo, Brazil
- Mechanical systems integration companies based in Calgary, Canada
- Mechanical systems integration companies based in Edmonton, Canada
- Mechanical systems integration companies based in Mississauga, Canada
- Mechanical systems integration companies based in Toronto, Canada
- Mechanical systems integration companies based in Winnipeg, Canada
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Mechanical systems integration companies based in Brisbane, Australia
- Mechanical systems integration companies based in Sydney, Australia
- Mechanical systems integration companies based in Belo Horizonte, Brazil
- Mechanical systems integration companies based in Campinas, Brazil
- Mechanical systems integration companies based in Curitiba, Brazil
- Mechanical systems integration companies based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 23 mechanical systems integration companies based in London, United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 108 matching company records for mechanical systems integration companies based in London, United Kingdom, with 1,256 tracked contacts and 465 verified work emails.
This public preview shows 23 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 23 mechanical systems integration companies based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  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. | |||||
| 2 | Grant Walker Engineeringg-w-e.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Grant Walker Engineering specialise in the complete installation of Electrical and Mechanical systems across all work sectors including quality office developments, commercial and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Elmech LTDelmechltd.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 42 contacts → |
“The core activities of our business are all aspects of mechanical and electrical services including air conditioning, sprinkler systems, CHW<HW, ventilation, BMS, door entry and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Link Media Systemslinkmediasystems.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 37 contacts → |
“We are systems integrators.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ECS Systems LTDecssystems.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Here at ECS Systems we pride ourselves on providing the highest level of personalised service, to every client.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Okto Technologiesoktotechnologies.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Master Systems Integrator OKTO Technologies is a leader in the design, development & installation of Smart Building Technology for- SuperPrime Residential - Luxury Hospitality -…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Torpedo Factory Grouptfg.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 27 contacts → |
“AMAZING DIGITAL EXPERIENCES THAT WOW BY DESIGN Torpedo Factory Group is a Master Systems Integrator providing professional services for Intelligent Environments & Smart Buildings…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  S&g Hvac Mechanical Specialistssandgair.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“S&G are a Mechanical Contractor with offices in London, Wales and the Midlands.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Automatryautomatry.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Automatry combines building controls engineering with software development for the built environment.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Intellicasaintellicasa.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“We are an award-winning, SafeContractor approved company specialised in SMART automation technologies and entertainment systems for the residential and commercial sectors.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  MSI Worksmsi-works.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Unlock the Full Potential of Your Building with MSI Works!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  RMH Grouprmhgroup.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Working, first time, every time." RMH Group is a SMART Building technology consultancy providing turnkey solutions, from the design to the supply and implementation of…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Atmosair Limitedatmosair.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Providing our Clients with every aspect of Mechanical services from design concept to completion on time with professionalism.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Harrison HOW LTDharrisonhow.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Harrison How Limited are situated in the heart of London and have been serving clients since 1939.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Intes UKintes.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“London based security systems integrator presently engaged on some of the most existing London landmark buildings.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mechanical Contracts LTDmechanicalcontractsltd.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Welcome to Mechanical Contracts Ltd, your trusted partner in comprehensive mechanical solutions.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | J&m Services Groupjm-mechanicalservices.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“At J&M Mechanical Services, we specialise in providing expert mechanical solutions for commercial and industrial clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Racsel Building Services LTDracsel.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“With over 50 years’ experience within the industry Racsel Building Services Limited specialize in Design, Installation, Maintenance and Servicing of heating, ventilation, cooling…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Designflowdesignflow.co HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“designflow provides system design and documentation services to system integrators working in smart buildings and home technology.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Tenwaystenways.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Tenways Engineering provides Installation and control solutions for HVAC.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Hoveair Maintenance Services Limitedhoveair.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Hoveair are specialists in all disciplines of the Air Conditioning, Heating and Ventilation and Industry, giving comprehensive Design, Management, Installation, Commissioning and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mechanical Installation Solutions LTDm-i-sltd.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“M-I-S are a specialist mechanical services contractor.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  NLP Consult LTDnlpconsult.meHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“NLP Consult Ltd offer bespoke Design, Project Management, Supply Chain Development, Commissioning and Delivery of Integrated Systems in compliance with industry standards.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 108 company matches
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Mechanical systems integration companies: 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
107 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 108 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 integration companies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for mechanical systems integration companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many mechanical systems integration companies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 108 matching company records, 1,256 tracked contacts and 465 verified emails. The public preview displays 23 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 integration companies by geography
- Mechanical systems integration companies based in Brisbane, Australia
- Mechanical systems integration companies based in Sydney, Australia
- Mechanical systems integration companies based in Belo Horizonte, Brazil
- Mechanical systems integration companies based in Campinas, Brazil
- Mechanical systems integration companies based in Curitiba, Brazil
- Mechanical systems integration companies based in Rio De Janeiro, Brazil
- Mechanical systems integration companies based in Sao Paulo, Brazil
- Mechanical systems integration companies based in Calgary, Canada
- Mechanical systems integration companies based in Edmonton, Canada
- Mechanical systems integration companies based in Mississauga, Canada
- Mechanical systems integration companies based in Toronto, Canada
- Mechanical systems integration companies based in Winnipeg, Canada
Cite this list
RevenueBase Data Team. Top 23 mechanical systems integration companies based in London, United Kingdom. Snapshot: September 28, 2026. https://revenuebase.ai/companies/mechanical-systems-integration-companies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Mechanical systems integration companies based in Brisbane, Australia
- Mechanical systems integration companies based in Sydney, Australia
- Mechanical systems integration companies based in Belo Horizonte, Brazil
- Mechanical systems integration companies based in Campinas, Brazil
- Mechanical systems integration companies based in Curitiba, Brazil
- Mechanical systems integration companies based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 23 mechanical systems integration companies based in London, United Kingdom
RevenueBase records 108 matching company records for mechanical systems integration companies based in London, United Kingdom, with 1,256 tracked contacts and 465 verified work emails.
This public preview shows 23 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 23 mechanical systems integration companies based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 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. | |||||
| 2 | Grant Walker Engineeringg-w-e.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Grant Walker Engineering specialise in the complete installation of Electrical and Mechanical systems across all work sectors including quality office developments, commercial and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Elmech LTDelmechltd.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 42 contacts → |
“The core activities of our business are all aspects of mechanical and electrical services including air conditioning, sprinkler systems, CHW<HW, ventilation, BMS, door entry and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Link Media Systemslinkmediasystems.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 37 contacts → |
“We are systems integrators.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ECS Systems LTDecssystems.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Here at ECS Systems we pride ourselves on providing the highest level of personalised service, to every client.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Okto Technologiesoktotechnologies.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Master Systems Integrator OKTO Technologies is a leader in the design, development & installation of Smart Building Technology for- SuperPrime Residential - Luxury Hospitality -…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Torpedo Factory Grouptfg.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 27 contacts → |
“AMAZING DIGITAL EXPERIENCES THAT WOW BY DESIGN Torpedo Factory Group is a Master Systems Integrator providing professional services for Intelligent Environments & Smart Buildings…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | S&g Hvac Mechanical Specialistssandgair.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“S&G are a Mechanical Contractor with offices in London, Wales and the Midlands.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Automatryautomatry.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Automatry combines building controls engineering with software development for the built environment.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Intellicasaintellicasa.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“We are an award-winning, SafeContractor approved company specialised in SMART automation technologies and entertainment systems for the residential and commercial sectors.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | MSI Worksmsi-works.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Unlock the Full Potential of Your Building with MSI Works!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | RMH Grouprmhgroup.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Working, first time, every time." RMH Group is a SMART Building technology consultancy providing turnkey solutions, from the design to the supply and implementation of…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Atmosair Limitedatmosair.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Providing our Clients with every aspect of Mechanical services from design concept to completion on time with professionalism.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Harrison HOW LTDharrisonhow.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Harrison How Limited are situated in the heart of London and have been serving clients since 1939.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Intes UKintes.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“London based security systems integrator presently engaged on some of the most existing London landmark buildings.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mechanical Contracts LTDmechanicalcontractsltd.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Welcome to Mechanical Contracts Ltd, your trusted partner in comprehensive mechanical solutions.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | J&m Services Groupjm-mechanicalservices.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“At J&M Mechanical Services, we specialise in providing expert mechanical solutions for commercial and industrial clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Racsel Building Services LTDracsel.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“With over 50 years’ experience within the industry Racsel Building Services Limited specialize in Design, Installation, Maintenance and Servicing of heating, ventilation, cooling…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Designflowdesignflow.co HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“designflow provides system design and documentation services to system integrators working in smart buildings and home technology.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tenwaystenways.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Tenways Engineering provides Installation and control solutions for HVAC.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hoveair Maintenance Services Limitedhoveair.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Hoveair are specialists in all disciplines of the Air Conditioning, Heating and Ventilation and Industry, giving comprehensive Design, Management, Installation, Commissioning and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mechanical Installation Solutions LTDm-i-sltd.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“M-I-S are a specialist mechanical services contractor.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | NLP Consult LTDnlpconsult.me HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“NLP Consult Ltd offer bespoke Design, Project Management, Supply Chain Development, Commissioning and Delivery of Integrated Systems in compliance with industry standards.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 108 company matches
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Mechanical systems integration companies: 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
107 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 108 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 integration companies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for mechanical systems integration companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many mechanical systems integration companies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 108 matching company records, 1,256 tracked contacts and 465 verified emails. The public preview displays 23 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 integration companies by geography
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Cite this list
RevenueBase Data Team. Top 23 mechanical systems integration companies based in London, United Kingdom. Snapshot: September 28, 2026. https://revenuebase.ai/companies/mechanical-systems-integration-companies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Mechanical systems integration companies based in Brisbane, Australia
- Mechanical systems integration companies based in Sydney, Australia
- Mechanical systems integration companies based in Belo Horizonte, Brazil
- Mechanical systems integration companies based in Campinas, Brazil
- Mechanical systems integration companies based in Curitiba, Brazil
- Mechanical systems integration companies based in Rio De Janeiro, Brazil