Company lists · Data refreshed November 2026
Top 25 Intrusion detection installers based in the United Kingdom
RevenueBase identified 477 company matches for intrusion detection installers associated with the United Kingdom as of November 2026 and tracks 3,523 professional contacts across them, including 1,224 with verified work emails. London is the largest hub.
This list covers company matches for intrusion detection installers 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 intrusion detection installers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 90 contacts → | ||||
Exact match “Croma Security Solutions Group (CSSG) began in 1970 as a family-run business in Shirley, Southampton, known as County Locksmiths.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 74 contacts → | ||||
Exact match “With over 50 years’ experience in the security industry, Abel has grown to become one of the UK’s largest privately owned providers of electronic security systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 60 contacts → | ||||
Exact match “At Alphatrack Systems Ltd, we don’t just install equipment-we engineer integrated solutions that deliver safety, compliance, and ultimate peace of mind.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 60 contacts → | ||||
Exact match “AlertSystems specialise in the design, installation, service, and maintenance of commercial electronic security and fire safety systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 51 contacts → | ||||
Exact match “Established in 1990, Ace Fire & Security is an end-to-end security, occupant safety, systems integration, monitoring and fire solutions specialist for commercial, industrial site…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 49 contacts → | ||||
Exact match “Established in Custom Intelligent Security is a technology driven ISO27001 & NSi Gold Accredited independent electronic security specialist with a proven track record of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 49 contacts → | ||||
Exact match “CSS is Scotland’s leading supplier and installer of domestic and commercial intruder and fire alarm systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 45 contacts → | ||||
Exact match “We are specialist providers of professional security system solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 43 contacts → | ||||
Exact match “ATEC are here to make your business safe, giving you the confidence in the security of your business so It can thrive every day, now and long into the future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 43 contacts → | ||||
Exact match “Universal Security Systems Limited is a specialist provider of installation and maintenance services for all types of security systems including Access Control, Closed Circuit…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 41 contacts → | ||||
Exact match “Doyle Security Ltd is a leading provider of professional security solutions, proudly safeguarding businesses, homeowners, and their properties for over four decades.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 40 contacts → | ||||
Exact match “We are passionate about protecting the things that are important to our customers - their people or family, their properties, their possessions/contents and equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 36 contacts → | ||||
Exact match “SECURITY EXPERTS FOR SCHOOLS, BUSINESS AND HOMES.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 35 contacts → | ||||
Exact match “Pafi Ltd, Was formed in 1995 to design, install and maintain integrated security solutions for the commercial market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 31 contacts → | ||||
Exact match “Many security companies pull together different providers to deliver a single service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 26 contacts → | ||||
Exact match “For 40 years we have created, delivered and supported some of the UK’s finest security and monitoring systems in the UK and Europe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 26 contacts → | ||||
Exact match “Engineered Protection & Optimisation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 25 contacts → | ||||
Exact match “At WRS Solutions, we specialise in delivering tailored electronic security systems that provide real peace of mind.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 24 contacts → | ||||
Exact match “part of the Obsequio Group At Brunel, we provide advanced security and life protection solutions, ensuring that your business and assets are safeguarded with the highest standards…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 24 contacts → | ||||
Exact match “Reflex Systems is a leading UK owned security and fire systems specialist, established in 1987 and based in South Yorkshire.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 24 contacts → | ||||
Exact match “Classic Security was founded in 1947 by Fredrick Townsley - the father of our chairman and the grandfather of our MD.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 23 contacts → | ||||
Exact match “Clarion Security Systems is dedicated to the design, installation and maintenance of security systems for commercial enterprises and public sector organisations- IP CCTV Access…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 21 contacts → | ||||
Exact match “At Cougar Monitoring no matter if it's a residential, commercial or industry property, we can provide, install and full monitor a wide range of security solutions, such as; CCTV…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 20 contacts → | ||||
Exact match “Bee Tee Alarms Ltd is a well established family owned business evolving from Dove Security, established in 1980 and taking its present identity in 1984.” 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 “intrusion detection installers”. 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 477 intrusion detection installers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,224 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Intrusion detection installers 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 477 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 “intrusion detection installers” 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 1,224 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.
Intrusion detection installers 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 “intrusion detection installers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many intrusion detection installers are there based in the United Kingdom?
RevenueBase identified 477 company matches for intrusion detection installers 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?
Kings Secure Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most intrusion detection installers?
London leads with 46 company records, followed by Manchester (15) and Birmingham (7).
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 1,224 professional contacts with verified work emails tracked across these 477 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 477 intrusion detection installers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Intrusion detection installers by geography
- Intrusion detection installers based in London, United Kingdom
- Intrusion detection installers based in Argentina
- Intrusion detection installers based in Australia
- Intrusion detection installers based in Belgium
- Intrusion detection installers based in Brazil
- Intrusion detection installers based in Canada
- Intrusion detection installers based in France
- Intrusion detection installers based in Germany
- Intrusion detection installers based in India
- Intrusion detection installers based in Ireland
- Intrusion detection installers based in Italy
- Intrusion detection installers based in Mexico
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
- Intrusion detection installers based in London, United Kingdom
- Intrusion detection installers based in Argentina
- Intrusion detection installers based in Australia
- Intrusion detection installers based in Belgium
- Intrusion detection installers based in Brazil
- Intrusion detection installers based in Canada
Company intelligence · public preview
Top 25 intrusion detection installers 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 477 matching company records for intrusion detection installers based in the United Kingdom, with 3,523 tracked contacts and 1,224 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 intrusion detection installers 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 |  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. | |||||
| 2 |  Croma Security Solutions Group PLC Cssgcssgplc.comHQ: Whiteley, United KingdomReported employees: 501-1,000 | Whiteley, United Kingdom | 501-1,000 | Exact match | 90 contacts → |
“Croma Security Solutions Group (CSSG) began in 1970 as a family-run business in Shirley, Southampton, known as County Locksmiths.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  ABELabelalarm.co.ukHQ: Leicester, United KingdomReported employees: 51-200 | Leicester, United Kingdom | 51-200 | Exact match | 74 contacts → |
“With over 50 years’ experience in the security industry, Abel has grown to become one of the UK’s largest privately owned providers of electronic security systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Alphatrack Systemsalphatracksystems.co.ukHQ: Harlow, United KingdomReported employees: 201-500 | Harlow, United Kingdom | 201-500 | Exact match | 60 contacts → |
“At Alphatrack Systems Ltd, we don’t just install equipment-we engineer integrated solutions that deliver safety, compliance, and ultimate peace of mind.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Alertsystems LTDalertsystems.co.ukHQ: Trowbridge, United KingdomReported employees: 51-200 | Trowbridge, United Kingdom | 51-200 | Exact match | 60 contacts → |
“AlertSystems specialise in the design, installation, service, and maintenance of commercial electronic security and fire safety systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ACE Fire And Securityacesecurity.co.ukHQ: Bedford, United KingdomReported employees: 51-200 | Bedford, United Kingdom | 51-200 | Exact match | 51 contacts → |
“Established in 1990, Ace Fire & Security is an end-to-end security, occupant safety, systems integration, monitoring and fire solutions specialist for commercial, industrial site…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Custom Intelligent Securitycustomsecurity.tvHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 49 contacts → |
“Established in Custom Intelligent Security is a technology driven ISO27001 & NSi Gold Accredited independent electronic security specialist with a proven track record of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Connelly Security Systems LTD CSS LTDcssltd.co.ukHQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 49 contacts → |
“CSS is Scotland’s leading supplier and installer of domestic and commercial intruder and fire alarm systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Knight Security & Fire Limitedknightsecurityandfire.co.ukHQ: Byfleet, United KingdomReported employees: Not recorded | Byfleet, United Kingdom | Not recorded | Exact match | 45 contacts → |
“We are specialist providers of professional security system solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Atec Securityatec-security.co.ukHQ: Wolverhampton, United KingdomReported employees: 51-200 | Wolverhampton, United Kingdom | 51-200 | Exact match | 43 contacts → |
“ATEC are here to make your business safe, giving you the confidence in the security of your business so It can thrive every day, now and long into the future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Universal Security Systems LTDconvergint.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 43 contacts → |
“Universal Security Systems Limited is a specialist provider of installation and maintenance services for all types of security systems including Access Control, Closed Circuit…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Doyle Security LTDdoylesecurity.co.ukHQ: Dodworth, United KingdomReported employees: 51-200 | Dodworth, United Kingdom | 51-200 | Exact match | 41 contacts → |
“Doyle Security Ltd is a leading provider of professional security solutions, proudly safeguarding businesses, homeowners, and their properties for over four decades.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Absolute Fire & Security Systems Limitedabsolutesfireecurity.co.ukHQ: Godalming, United KingdomReported employees: 11-50 | Godalming, United Kingdom | 11-50 | Exact match | 40 contacts → |
“We are passionate about protecting the things that are important to our customers - their people or family, their properties, their possessions/contents and equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Safeguard Secure Solutions LTDsafeguardsecuresolutions.co.ukHQ: Bicester, United KingdomReported employees: Not recorded | Bicester, United Kingdom | Not recorded | Exact match | 36 contacts → |
“SECURITY EXPERTS FOR SCHOOLS, BUSINESS AND HOMES.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Pafi LTDpafi.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Pafi Ltd, Was formed in 1995 to design, install and maintain integrated security solutions for the commercial market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Guide Securityguidesecurity.co.ukHQ: Darwen, United KingdomReported employees: 51-200 | Darwen, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Many security companies pull together different providers to deliver a single service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Metro Security GB PLCmetrosecurity.co.ukHQ: Romford, United KingdomReported employees: 11-50 | Romford, United Kingdom | 11-50 | Exact match | 26 contacts → |
“For 40 years we have created, delivered and supported some of the UK’s finest security and monitoring systems in the UK and Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Link Integratedlinkintegrated.comHQ: Mansfield, United KingdomReported employees: 11-50 | Mansfield, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Engineered Protection & Optimisation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  WRS Solutionswrssolutions.comHQ: Mexborough, United KingdomReported employees: 11-50 | Mexborough, United Kingdom | 11-50 | Exact match | 25 contacts → |
“At WRS Solutions, we specialise in delivering tailored electronic security systems that provide real peace of mind.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Brunel Fire & Securitybrunelsecurity.co.ukHQ: Portishead, United KingdomReported employees: 11-50 | Portishead, United Kingdom | 11-50 | Exact match | 24 contacts → |
“part of the Obsequio Group At Brunel, we provide advanced security and life protection solutions, ensuring that your business and assets are safeguarded with the highest standards…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Reflex Systems LTDreflexsystems.co.ukHQ: Rotherham, United KingdomReported employees: 11-50 | Rotherham, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Reflex Systems is a leading UK owned security and fire systems specialist, established in 1987 and based in South Yorkshire.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Classic Services Group LTDclassicservicesgroup.co.ukHQ: Crawley, United KingdomReported employees: 51-200 | Crawley, United Kingdom | 51-200 | Exact match | 24 contacts → |
“Classic Security was founded in 1947 by Fredrick Townsley - the father of our chairman and the grandfather of our MD.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Clarion Security Systems LTDclarionuk.comHQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 23 contacts → |
“Clarion Security Systems is dedicated to the design, installation and maintenance of security systems for commercial enterprises and public sector organisations- IP CCTV Access…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cougar Monitoring LTDcougarmonitoring.comHQ: Cradley Heath, United KingdomReported employees: 51-200 | Cradley Heath, United Kingdom | 51-200 | Exact match | 21 contacts → |
“At Cougar Monitoring no matter if it's a residential, commercial or industry property, we can provide, install and full monitor a wide range of security solutions, such as; CCTV…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  BEE TEE Alarms LTDbeeteealarmsltd.co.ukHQ: Northampton, United KingdomReported employees: 11-50 | Northampton, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Bee Tee Alarms Ltd is a well established family owned business evolving from Dove Security, established in 1980 and taking its present identity in 1984.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 477 company matches
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Intrusion detection installers: 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
457 records in the displayed employee bands.
20 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 477 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 ↗
Intrusion detection installers by metro
Questions about this company list
What does Exact match mean for intrusion detection installers?
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 intrusion detection installers did RevenueBase find based in the United Kingdom?
The saved snapshot records 477 matching company records, 3,523 tracked contacts and 1,224 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
Intrusion detection installers by geography
- Intrusion detection installers based in London, United Kingdom
- Intrusion detection installers based in Argentina
- Intrusion detection installers based in Australia
- Intrusion detection installers based in Belgium
- Intrusion detection installers based in Brazil
- Intrusion detection installers based in Canada
- Intrusion detection installers based in France
- Intrusion detection installers based in Germany
- Intrusion detection installers based in India
- Intrusion detection installers based in Ireland
- Intrusion detection installers based in Italy
- Intrusion detection installers based in Mexico
Cite this list
RevenueBase Data Team. Top 25 intrusion detection installers based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/intrusion-detection-installers/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
- Intrusion detection installers based in London, United Kingdom
- Intrusion detection installers based in Argentina
- Intrusion detection installers based in Australia
- Intrusion detection installers based in Belgium
- Intrusion detection installers based in Brazil
- Intrusion detection installers based in Canada
Company intelligence · public preview
Top 25 intrusion detection installers based in the United Kingdom
RevenueBase records 477 matching company records for intrusion detection installers based in the United Kingdom, with 3,523 tracked contacts and 1,224 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 intrusion detection installers 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 | 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. | |||||
| 2 | Croma Security Solutions Group PLC Cssgcssgplc.com HQ: Whiteley, United KingdomReported employees: 501-1,000 | Whiteley, United Kingdom | 501-1,000 | Exact match | 90 contacts → |
“Croma Security Solutions Group (CSSG) began in 1970 as a family-run business in Shirley, Southampton, known as County Locksmiths.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ABELabelalarm.co.uk HQ: Leicester, United KingdomReported employees: 51-200 | Leicester, United Kingdom | 51-200 | Exact match | 74 contacts → |
“With over 50 years’ experience in the security industry, Abel has grown to become one of the UK’s largest privately owned providers of electronic security systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Alphatrack Systemsalphatracksystems.co.uk HQ: Harlow, United KingdomReported employees: 201-500 | Harlow, United Kingdom | 201-500 | Exact match | 60 contacts → |
“At Alphatrack Systems Ltd, we don’t just install equipment-we engineer integrated solutions that deliver safety, compliance, and ultimate peace of mind.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Alertsystems LTDalertsystems.co.uk HQ: Trowbridge, United KingdomReported employees: 51-200 | Trowbridge, United Kingdom | 51-200 | Exact match | 60 contacts → |
“AlertSystems specialise in the design, installation, service, and maintenance of commercial electronic security and fire safety systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ACE Fire And Securityacesecurity.co.uk HQ: Bedford, United KingdomReported employees: 51-200 | Bedford, United Kingdom | 51-200 | Exact match | 51 contacts → |
“Established in 1990, Ace Fire & Security is an end-to-end security, occupant safety, systems integration, monitoring and fire solutions specialist for commercial, industrial site…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Custom Intelligent Securitycustomsecurity.tv HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 49 contacts → |
“Established in Custom Intelligent Security is a technology driven ISO27001 & NSi Gold Accredited independent electronic security specialist with a proven track record of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Connelly Security Systems LTD CSS LTDcssltd.co.uk HQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 49 contacts → |
“CSS is Scotland’s leading supplier and installer of domestic and commercial intruder and fire alarm systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Knight Security & Fire Limitedknightsecurityandfire.co.uk HQ: Byfleet, United KingdomReported employees: Not recorded | Byfleet, United Kingdom | Not recorded | Exact match | 45 contacts → |
“We are specialist providers of professional security system solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Atec Securityatec-security.co.uk HQ: Wolverhampton, United KingdomReported employees: 51-200 | Wolverhampton, United Kingdom | 51-200 | Exact match | 43 contacts → |
“ATEC are here to make your business safe, giving you the confidence in the security of your business so It can thrive every day, now and long into the future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Universal Security Systems LTDconvergint.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 43 contacts → |
“Universal Security Systems Limited is a specialist provider of installation and maintenance services for all types of security systems including Access Control, Closed Circuit…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Doyle Security LTDdoylesecurity.co.uk HQ: Dodworth, United KingdomReported employees: 51-200 | Dodworth, United Kingdom | 51-200 | Exact match | 41 contacts → |
“Doyle Security Ltd is a leading provider of professional security solutions, proudly safeguarding businesses, homeowners, and their properties for over four decades.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Absolute Fire & Security Systems Limitedabsolutesfireecurity.co.uk HQ: Godalming, United KingdomReported employees: 11-50 | Godalming, United Kingdom | 11-50 | Exact match | 40 contacts → |
“We are passionate about protecting the things that are important to our customers - their people or family, their properties, their possessions/contents and equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Safeguard Secure Solutions LTDsafeguardsecuresolutions.co.uk HQ: Bicester, United KingdomReported employees: Not recorded | Bicester, United Kingdom | Not recorded | Exact match | 36 contacts → |
“SECURITY EXPERTS FOR SCHOOLS, BUSINESS AND HOMES.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pafi LTDpafi.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Pafi Ltd, Was formed in 1995 to design, install and maintain integrated security solutions for the commercial market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Guide Securityguidesecurity.co.uk HQ: Darwen, United KingdomReported employees: 51-200 | Darwen, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Many security companies pull together different providers to deliver a single service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Metro Security GB PLCmetrosecurity.co.uk HQ: Romford, United KingdomReported employees: 11-50 | Romford, United Kingdom | 11-50 | Exact match | 26 contacts → |
“For 40 years we have created, delivered and supported some of the UK’s finest security and monitoring systems in the UK and Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Link Integratedlinkintegrated.com HQ: Mansfield, United KingdomReported employees: 11-50 | Mansfield, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Engineered Protection & Optimisation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | WRS Solutionswrssolutions.com HQ: Mexborough, United KingdomReported employees: 11-50 | Mexborough, United Kingdom | 11-50 | Exact match | 25 contacts → |
“At WRS Solutions, we specialise in delivering tailored electronic security systems that provide real peace of mind.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Brunel Fire & Securitybrunelsecurity.co.uk HQ: Portishead, United KingdomReported employees: 11-50 | Portishead, United Kingdom | 11-50 | Exact match | 24 contacts → |
“part of the Obsequio Group At Brunel, we provide advanced security and life protection solutions, ensuring that your business and assets are safeguarded with the highest standards…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Reflex Systems LTDreflexsystems.co.uk HQ: Rotherham, United KingdomReported employees: 11-50 | Rotherham, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Reflex Systems is a leading UK owned security and fire systems specialist, established in 1987 and based in South Yorkshire.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Classic Services Group LTDclassicservicesgroup.co.uk HQ: Crawley, United KingdomReported employees: 51-200 | Crawley, United Kingdom | 51-200 | Exact match | 24 contacts → |
“Classic Security was founded in 1947 by Fredrick Townsley - the father of our chairman and the grandfather of our MD.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Clarion Security Systems LTDclarionuk.com HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 23 contacts → |
“Clarion Security Systems is dedicated to the design, installation and maintenance of security systems for commercial enterprises and public sector organisations- IP CCTV Access…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cougar Monitoring LTDcougarmonitoring.com HQ: Cradley Heath, United KingdomReported employees: 51-200 | Cradley Heath, United Kingdom | 51-200 | Exact match | 21 contacts → |
“At Cougar Monitoring no matter if it's a residential, commercial or industry property, we can provide, install and full monitor a wide range of security solutions, such as; CCTV…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | BEE TEE Alarms LTDbeeteealarmsltd.co.uk HQ: Northampton, United KingdomReported employees: 11-50 | Northampton, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Bee Tee Alarms Ltd is a well established family owned business evolving from Dove Security, established in 1980 and taking its present identity in 1984.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 477 company matches
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Intrusion detection installers: 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
457 records in the displayed employee bands.
20 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 477 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 ↗
Intrusion detection installers by metro
Questions about this company list
What does Exact match mean for intrusion detection installers?
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 intrusion detection installers did RevenueBase find based in the United Kingdom?
The saved snapshot records 477 matching company records, 3,523 tracked contacts and 1,224 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.
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Cite this list
RevenueBase Data Team. Top 25 intrusion detection installers based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/intrusion-detection-installers/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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