Company lists · Data refreshed November 2026
Top 25 Electrical system integrators based in the United Kingdom
RevenueBase identified 2,197 company matches for electrical system integrators associated with the United Kingdom as of November 2026 and tracks 16,794 professional contacts across them, including 6,339 with verified work emails. London is the largest hub.
This list covers company matches for electrical system 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 November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest electrical system integrators based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 389 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 352 contacts → | ||||
Exact match “Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 262 contacts → | ||||
Exact match “For organisations facing the compounding threats of ageing assets, a retiring workforce, and evolving cyber attacks, the status quo is no longer an option.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 236 contacts → | ||||
Exact match “BMSI is the UK’s largest & leading Independent systems integrator of Building Energy Management Systems (BEMS).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 226 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 223 contacts → | ||||
Exact match “Part of the SCCI Group, SCCI Alphatrack designs, installs, and maintains connected building systems across social housing, commercial property, new builds, and public sector…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 149 contacts → | ||||
Exact match “Frontline Security Solutions is a global electronic security integrator specialising in Access Control, CCTV, Intruder and Intercom systems that protect people, property and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 146 contacts → | ||||
Exact match “Kempston Controls is a leader in distributing electrical and mechanical industrial control and automation components.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 142 contacts → | ||||
Exact match “Shaping the future, together.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 136 contacts → | ||||
Exact match “CEMA was founded in 1987 in Nottingham, and has quickly grown to become one of the leading electrical engineering companies in the United Kingdom, specialising in understanding…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 125 contacts → | ||||
Exact match “AF Switchgear is one of the UK's largest switchgear manufacturers and set the standard for LV Switchgear and Power Distribution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 122 contacts → | ||||
Exact match “Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 120 contacts → | ||||
Exact match “Premier quality workmanship and personal attention are characteristics of G&A Barnie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 115 contacts → | ||||
Exact match “ASEE Group is a leader in mechanical and electrical engineering, specialising in generator integration and full-service installations for 45+ years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 110 contacts → | ||||
Exact match “Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 102 contacts → | ||||
Exact match “Better protect your people, places and spaces.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 95 contacts → | ||||
Exact match “As a System Integrator for over 37 years, Adsyst (Automation) Ltd has been providing complex Control Systems for Process Control, Automation and Telemetry to customers worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 92 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 91 contacts → | ||||
Exact match “Connecting people, places, and possibilities through transformative workplace technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 82 contacts → | ||||
Exact match “Established in 1987, iconsys is a leading UK power & automation solutions provider and systems integrator.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 82 contacts → | ||||
Exact match “KCP | Network Solutions and Design | Software Development | Automation Since 2008 KCP built a legacy of trust with our global customers by becoming a leading provider of SMART…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 75 contacts → | ||||
Exact match “Renowned across numerous sectors as 'the systems integrator of choice', we have built a reputation on delivering high quality, value-for-money solutions that enhance production…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 75 contacts → | ||||
Exact match “AQ Wiring Systems Rockford designs and manufactures high-reliability electrical systems, cable assemblies, and electro-mechanical solutions for defence, aerospace, and advanced…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 70 contacts → | ||||
Exact match “Through our integrated electrical, control & instrumentation services we design, construct & deliver complete projects & provide maintenance services to companies throughout the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 70 contacts → | ||||
Exact match “Established in 1979 and located in Leeds in a purpose built 2,400m² design, manufacturing and testing facility, Saftronics specialise in process control systems and LV…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “electrical system 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 2,197 electrical system integrators based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 6,339 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Electrical system integrators based in the United Kingdom at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 2,197 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 “electrical system 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 6,339 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Electrical system 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 “electrical system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many electrical system integrators are there based in the United Kingdom?
RevenueBase identified 2,197 company matches for electrical system integrators associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Trinity Fire & Security Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most electrical system integrators?
London leads with 154 company records, followed by Manchester (35) and Leeds (28).
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 6,339 professional contacts with verified work emails tracked across these 2,197 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,197 electrical system integrators based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Electrical system integrators by geography
- Electrical system integrators based in Brisbane, Australia
- Electrical system integrators based in Melbourne, Australia
- Electrical system integrators based in Perth, Australia
- Electrical system integrators based in Sydney, Australia
- Electrical system integrators based in Belo Horizonte, Brazil
- Electrical system integrators based in Campinas, Brazil
- Electrical system integrators based in Curitiba, Brazil
- Electrical system integrators based in Rio De Janeiro, Brazil
- Electrical system integrators based in Sao Paulo, Brazil
- Electrical system integrators based in Calgary, Canada
- Electrical system integrators based in Edmonton, Canada
- Electrical system integrators based in Toronto, 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
- Electrical system integrators based in Brisbane, Australia
- Electrical system integrators based in Melbourne, Australia
- Electrical system integrators based in Perth, Australia
- Electrical system integrators based in Sydney, Australia
- Electrical system integrators based in Belo Horizonte, Brazil
- Electrical system integrators based in Campinas, Brazil
Company intelligence · public preview
Top 25 electrical system 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 2,197 matching company records for electrical system integrators based in the United Kingdom, with 16,794 tracked contacts and 6,339 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 electrical system 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 |  Trinity Fire & Security Systemstrinityfireandsecurity.comHQ: Exeter, United KingdomReported employees: 501-1,000 | Exeter, United Kingdom | 501-1,000 | Exact match | 389 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Kings Secure Technologieskingsltd.co.ukHQ: Bradford, United KingdomReported employees: 501-1,000 | Bradford, United Kingdom | 501-1,000 | Exact match | 352 contacts → |
“Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  ITI Groupitigroup.comHQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 262 contacts → |
“For organisations facing the compounding threats of ageing assets, a retiring workforce, and evolving cyber attacks, the status quo is no longer an option.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  BMSIbmsi.co.ukHQ: Maidenhead, United KingdomReported employees: 201-500 | Maidenhead, United Kingdom | 201-500 | Exact match | 236 contacts → |
“BMSI is the UK’s largest & leading Independent systems integrator of Building Energy Management Systems (BEMS).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Actemium UKactemium.co.ukHQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 226 contacts → |
“At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Scci Alphatracksccialphatrack.co.ukHQ: Harlow, United KingdomReported employees: 201-500 | Harlow, United Kingdom | 201-500 | Exact match | 223 contacts → |
“Part of the SCCI Group, SCCI Alphatrack designs, installs, and maintains connected building systems across social housing, commercial property, new builds, and public sector…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Frontline Security Solutionsfrontlinefs.comHQ: Chalfont St Peter, United KingdomReported employees: 51-200 | Chalfont St Peter, United Kingdom | 51-200 | Exact match | 149 contacts → |
“Frontline Security Solutions is a global electronic security integrator specialising in Access Control, CCTV, Intruder and Intercom systems that protect people, property and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Kempston Controlskempstoncontrols.co.ukHQ: Rushden, United KingdomReported employees: 201-500 | Rushden, United Kingdom | 201-500 | Exact match | 146 contacts → |
“Kempston Controls is a leader in distributing electrical and mechanical industrial control and automation components.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  DPS Groupdp-sgroup.co.ukHQ: Glenrothes, United KingdomReported employees: 51-200 | Glenrothes, United Kingdom | 51-200 | Exact match | 142 contacts → |
“Shaping the future, together.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cema LTDcemaltd.co.ukHQ: Nottingham, United KingdomReported employees: 201-500 | Nottingham, United Kingdom | 201-500 | Exact match | 136 contacts → |
“CEMA was founded in 1987 in Nottingham, and has quickly grown to become one of the leading electrical engineering companies in the United Kingdom, specialising in understanding…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  AF Switchgearafswitchgear.co.ukHQ: Sutton-in-ashfield, United KingdomReported employees: 201-500 | Sutton-in-ashfield, United Kingdom | 201-500 | Exact match | 125 contacts → |
“AF Switchgear is one of the UK's largest switchgear manufacturers and set the standard for LV Switchgear and Power Distribution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Darke & Taylor LTDdarkeandtaylor.co.ukHQ: Oxfordshire, United KingdomReported employees: 51-200 | Oxfordshire, United Kingdom | 51-200 | Exact match | 122 contacts → |
“Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  G & A Barnie Group LTDgabarnie.co.ukHQ: Inverness, United KingdomReported employees: 201-500 | Inverness, United Kingdom | 201-500 | Exact match | 120 contacts → |
“Premier quality workmanship and personal attention are characteristics of G&A Barnie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Asee Groupaseeltd.comHQ: Newry, United KingdomReported employees: 51-200 | Newry, United Kingdom | 51-200 | Exact match | 115 contacts → |
“ASEE Group is a leader in mechanical and electrical engineering, specialising in generator integration and full-service installations for 45+ years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Rock Power Connections LTDrockpowerconnections.co.ukHQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 110 contacts → |
“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Total Integrated Solutions TIS LTDtis.co.ukHQ: Mansfield, United KingdomReported employees: 51-200 | Mansfield, United Kingdom | 51-200 | Exact match | 102 contacts → |
“Better protect your people, places and spaces.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Adsyst Automation Limitedadsyst.co.ukHQ: Yateley, United KingdomReported employees: 51-200 | Yateley, United Kingdom | 51-200 | Exact match | 95 contacts → |
“As a System Integrator for over 37 years, Adsyst (Automation) Ltd has been providing complex Control Systems for Process Control, Automation and Telemetry to customers worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Grant Walker Engineeringg-w-e.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 92 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Twistedpair LTDtwistedpair.co.ukHQ: Portsmouth, United KingdomReported employees: 51-200 | Portsmouth, United Kingdom | 51-200 | Exact match | 91 contacts → |
“Connecting people, places, and possibilities through transformative workplace technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Iconsysiconsys.co.ukHQ: Telford, United KingdomReported employees: 51-200 | Telford, United Kingdom | 51-200 | Exact match | 82 contacts → |
“Established in 1987, iconsys is a leading UK power & automation solutions provider and systems integrator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  KCP Networkkcpnetwork.comHQ: Bracknell, United KingdomReported employees: 51-200 | Bracknell, United Kingdom | 51-200 | Exact match | 82 contacts → |
“KCP | Network Solutions and Design | Software Development | Automation Since 2008 KCP built a legacy of trust with our global customers by becoming a leading provider of SMART…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Denca Controls LTDdenca.comHQ: Widnes, United KingdomReported employees: 51-200 | Widnes, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Renowned across numerous sectors as 'the systems integrator of choice', we have built a reputation on delivering high quality, value-for-money solutions that enhance production…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  AQ Wiring Systems Rockfordrockford.co.ukHQ: Rendlesham, United KingdomReported employees: 51-200 | Rendlesham, United Kingdom | 51-200 | Exact match | 75 contacts → |
“AQ Wiring Systems Rockford designs and manufactures high-reliability electrical systems, cable assemblies, and electro-mechanical solutions for defence, aerospace, and advanced…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  C&p Engineering Services LTDcpengineering.co.ukHQ: Swansea, United KingdomReported employees: 51-200 | Swansea, United Kingdom | 51-200 | Exact match | 70 contacts → |
“Through our integrated electrical, control & instrumentation services we design, construct & deliver complete projects & provide maintenance services to companies throughout the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  RSE Control Systems Saftronicssaftronics.co.ukHQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 70 contacts → |
“Established in 1979 and located in Leeds in a purpose built 2,400m² design, manufacturing and testing facility, Saftronics specialise in process control systems and LV…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,197 company matches
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Electrical system integrators: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,091 records in the displayed employee bands.
106 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 2,197 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Electrical system integrators by metro
Questions about this company list
What does Exact match mean for electrical system 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 electrical system integrators did RevenueBase find based in the United Kingdom?
The saved snapshot records 2,197 matching company records, 16,794 tracked contacts and 6,339 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Electrical system integrators by geography
- Electrical system integrators based in Brisbane, Australia
- Electrical system integrators based in Melbourne, Australia
- Electrical system integrators based in Perth, Australia
- Electrical system integrators based in Sydney, Australia
- Electrical system integrators based in Belo Horizonte, Brazil
- Electrical system integrators based in Campinas, Brazil
- Electrical system integrators based in Curitiba, Brazil
- Electrical system integrators based in Rio De Janeiro, Brazil
- Electrical system integrators based in Sao Paulo, Brazil
- Electrical system integrators based in Calgary, Canada
- Electrical system integrators based in Edmonton, Canada
- Electrical system integrators based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 electrical system integrators based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/electrical-system-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
- Electrical system integrators based in Brisbane, Australia
- Electrical system integrators based in Melbourne, Australia
- Electrical system integrators based in Perth, Australia
- Electrical system integrators based in Sydney, Australia
- Electrical system integrators based in Belo Horizonte, Brazil
- Electrical system integrators based in Campinas, Brazil
Company intelligence · public preview
Top 25 electrical system integrators based in the United Kingdom
RevenueBase records 2,197 matching company records for electrical system integrators based in the United Kingdom, with 16,794 tracked contacts and 6,339 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 electrical system 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 | Trinity Fire & Security Systemstrinityfireandsecurity.com HQ: Exeter, United KingdomReported employees: 501-1,000 | Exeter, United Kingdom | 501-1,000 | Exact match | 389 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Kings Secure Technologieskingsltd.co.uk HQ: Bradford, United KingdomReported employees: 501-1,000 | Bradford, United Kingdom | 501-1,000 | Exact match | 352 contacts → |
“Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ITI Groupitigroup.com HQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 262 contacts → |
“For organisations facing the compounding threats of ageing assets, a retiring workforce, and evolving cyber attacks, the status quo is no longer an option.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | BMSIbmsi.co.uk HQ: Maidenhead, United KingdomReported employees: 201-500 | Maidenhead, United Kingdom | 201-500 | Exact match | 236 contacts → |
“BMSI is the UK’s largest & leading Independent systems integrator of Building Energy Management Systems (BEMS).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Actemium UKactemium.co.uk HQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 226 contacts → |
“At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Scci Alphatracksccialphatrack.co.uk HQ: Harlow, United KingdomReported employees: 201-500 | Harlow, United Kingdom | 201-500 | Exact match | 223 contacts → |
“Part of the SCCI Group, SCCI Alphatrack designs, installs, and maintains connected building systems across social housing, commercial property, new builds, and public sector…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Frontline Security Solutionsfrontlinefs.com HQ: Chalfont St Peter, United KingdomReported employees: 51-200 | Chalfont St Peter, United Kingdom | 51-200 | Exact match | 149 contacts → |
“Frontline Security Solutions is a global electronic security integrator specialising in Access Control, CCTV, Intruder and Intercom systems that protect people, property and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Kempston Controlskempstoncontrols.co.uk HQ: Rushden, United KingdomReported employees: 201-500 | Rushden, United Kingdom | 201-500 | Exact match | 146 contacts → |
“Kempston Controls is a leader in distributing electrical and mechanical industrial control and automation components.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | DPS Groupdp-sgroup.co.uk HQ: Glenrothes, United KingdomReported employees: 51-200 | Glenrothes, United Kingdom | 51-200 | Exact match | 142 contacts → |
“Shaping the future, together.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cema LTDcemaltd.co.uk HQ: Nottingham, United KingdomReported employees: 201-500 | Nottingham, United Kingdom | 201-500 | Exact match | 136 contacts → |
“CEMA was founded in 1987 in Nottingham, and has quickly grown to become one of the leading electrical engineering companies in the United Kingdom, specialising in understanding…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | AF Switchgearafswitchgear.co.uk HQ: Sutton-in-ashfield, United KingdomReported employees: 201-500 | Sutton-in-ashfield, United Kingdom | 201-500 | Exact match | 125 contacts → |
“AF Switchgear is one of the UK's largest switchgear manufacturers and set the standard for LV Switchgear and Power Distribution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Darke & Taylor LTDdarkeandtaylor.co.uk HQ: Oxfordshire, United KingdomReported employees: 51-200 | Oxfordshire, United Kingdom | 51-200 | Exact match | 122 contacts → |
“Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | G & A Barnie Group LTDgabarnie.co.uk HQ: Inverness, United KingdomReported employees: 201-500 | Inverness, United Kingdom | 201-500 | Exact match | 120 contacts → |
“Premier quality workmanship and personal attention are characteristics of G&A Barnie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Asee Groupaseeltd.com HQ: Newry, United KingdomReported employees: 51-200 | Newry, United Kingdom | 51-200 | Exact match | 115 contacts → |
“ASEE Group is a leader in mechanical and electrical engineering, specialising in generator integration and full-service installations for 45+ years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Rock Power Connections LTDrockpowerconnections.co.uk HQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 110 contacts → |
“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Total Integrated Solutions TIS LTDtis.co.uk HQ: Mansfield, United KingdomReported employees: 51-200 | Mansfield, United Kingdom | 51-200 | Exact match | 102 contacts → |
“Better protect your people, places and spaces.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Adsyst Automation Limitedadsyst.co.uk HQ: Yateley, United KingdomReported employees: 51-200 | Yateley, United Kingdom | 51-200 | Exact match | 95 contacts → |
“As a System Integrator for over 37 years, Adsyst (Automation) Ltd has been providing complex Control Systems for Process Control, Automation and Telemetry to customers worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Grant Walker Engineeringg-w-e.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 92 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Twistedpair LTDtwistedpair.co.uk HQ: Portsmouth, United KingdomReported employees: 51-200 | Portsmouth, United Kingdom | 51-200 | Exact match | 91 contacts → |
“Connecting people, places, and possibilities through transformative workplace technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Iconsysiconsys.co.uk HQ: Telford, United KingdomReported employees: 51-200 | Telford, United Kingdom | 51-200 | Exact match | 82 contacts → |
“Established in 1987, iconsys is a leading UK power & automation solutions provider and systems integrator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | KCP Networkkcpnetwork.com HQ: Bracknell, United KingdomReported employees: 51-200 | Bracknell, United Kingdom | 51-200 | Exact match | 82 contacts → |
“KCP | Network Solutions and Design | Software Development | Automation Since 2008 KCP built a legacy of trust with our global customers by becoming a leading provider of SMART…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Denca Controls LTDdenca.com HQ: Widnes, United KingdomReported employees: 51-200 | Widnes, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Renowned across numerous sectors as 'the systems integrator of choice', we have built a reputation on delivering high quality, value-for-money solutions that enhance production…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | AQ Wiring Systems Rockfordrockford.co.uk HQ: Rendlesham, United KingdomReported employees: 51-200 | Rendlesham, United Kingdom | 51-200 | Exact match | 75 contacts → |
“AQ Wiring Systems Rockford designs and manufactures high-reliability electrical systems, cable assemblies, and electro-mechanical solutions for defence, aerospace, and advanced…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | C&p Engineering Services LTDcpengineering.co.uk HQ: Swansea, United KingdomReported employees: 51-200 | Swansea, United Kingdom | 51-200 | Exact match | 70 contacts → |
“Through our integrated electrical, control & instrumentation services we design, construct & deliver complete projects & provide maintenance services to companies throughout the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | RSE Control Systems Saftronicssaftronics.co.uk HQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 70 contacts → |
“Established in 1979 and located in Leeds in a purpose built 2,400m² design, manufacturing and testing facility, Saftronics specialise in process control systems and LV…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Electrical system integrators: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,091 records in the displayed employee bands.
106 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 2,197 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Electrical system integrators by metro
Questions about this company list
What does Exact match mean for electrical system 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 electrical system integrators did RevenueBase find based in the United Kingdom?
The saved snapshot records 2,197 matching company records, 16,794 tracked contacts and 6,339 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Electrical system integrators by geography
- Electrical system integrators based in Brisbane, Australia
- Electrical system integrators based in Melbourne, Australia
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- Electrical system integrators based in Sydney, Australia
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- Electrical system integrators based in Campinas, Brazil
- Electrical system integrators based in Curitiba, Brazil
- Electrical system integrators based in Rio De Janeiro, Brazil
- Electrical system integrators based in Sao Paulo, Brazil
- Electrical system integrators based in Calgary, Canada
- Electrical system integrators based in Edmonton, Canada
- Electrical system integrators based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 electrical system integrators based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/electrical-system-integrators/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Electrical system integrators based in Brisbane, Australia
- Electrical system integrators based in Melbourne, Australia
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