Company lists · Data refreshed November 2026
Top 25 Computer room alarm system suppliers based in the United Kingdom
RevenueBase identified 236 company matches for computer room alarm system suppliers associated with the United Kingdom as of November 2026 and tracks 1,171 professional contacts across them, including 379 with verified work emails. London is the largest hub.
This list covers company matches for computer room alarm system suppliers 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 5, 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 computer room alarm system suppliers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 5, 2026 · View company records in RevenueBase | |||||
| 2 | 45 contacts → | ||||
Exact match “We are specialist providers of professional security system solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 36 contacts → | ||||
Exact match “SECURITY EXPERTS FOR SCHOOLS, BUSINESS AND HOMES.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 30 contacts → | ||||
Exact match “Protecting homes and businesses since 1982.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 27 contacts → | ||||
Exact match “Established in 2005, Photuris is a trusted provider of fire protection, security systems, and communications solutions across the UK.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 27 contacts → | ||||
Exact match “Farsight Security Services is a market-leading provider of remote monitoring and ARC services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 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 5, 2026 · View company records in RevenueBase | |||||
| 8 | 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 5, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “For Fire, Alarm & CCTV Installation companies who need reliable monitoring solutions for their clients, Fenix is a completely NEW type of alarm management partnership.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 18 contacts → | ||||
Exact match “Alarmtec was established in 1974 and since then we have developed and grown to become one of the UK's leading independent specialist fire and life protection system providers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 17 contacts → | ||||
Exact match “SGS Systems has been supplying, installing & maintaining security systems for homes & businesses in Wolverhampton, Birmingham, Staffordshire, Shropshire & the Midlands for 30…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 16 contacts → | ||||
Exact match “At Chubb, we help you drive what matters most through planning, designing and installing fire-safety systems and security solutions that make your buildings safer, healthier and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 14 contacts → | ||||
Exact match “Defensor provides a complete service solution for all your commercial fire detection and alarm systems needs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 14 contacts → | ||||
Exact match “Security Services Provider specialising in Remote Monitoring; Installations and Maintenance of CCTV, Fire and Intruder Alarms, Access Controls.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “We are a highly experienced building services company based in Ilkeston Derbyshire in the East Midlands.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 14 contacts → | ||||
Exact match “Based in Hedge End, Southampton, we offer a full range of fire alarm and security services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 11 contacts → | ||||
Exact match “Telcam Fire & Security is a family-run fire, security and technology systems provider with over 25 years of industry experience.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “Here at Protect and Detect Systems Limited, we’ve been delivering a wealth of fire safety and security services for over two decades.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 10 contacts → | ||||
Exact match “Since 1969, TI Security has been a leading name in the world of security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “At Direct Security we take our responsibility for protecting your home or business very seriously.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 9 contacts → | ||||
Exact match “ABM Fire and Security Systems have been based in the North-West of England since 1973 and are the leading, privately owned company, for fire and security systems related…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “Adept Security Systems, Peace of Mind, Secured!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “SAFE Services is an independent business established for over 30 years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “About Us At Valley Fire & Security Ltd, we specialise in delivering innovative fire safety and security solutions tailored to meet the needs of businesses across the UK.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 8 contacts → | ||||
Exact match “Established in 2005, Premier Security Systems has built an enviable reputation across London and the Southeast.” Recorded in the RevenueBase company graph · Nov 5, 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 “computer room alarm system suppliers”. 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 236 computer room alarm system suppliers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 379 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Computer room alarm system suppliers based in the United Kingdom at a glance
As of Nov 5, 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 236 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 “computer room alarm system suppliers” 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 379 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 5, 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.
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 “computer room alarm system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many computer room alarm system suppliers are there based in the United Kingdom?
RevenueBase identified 236 company matches for computer room alarm system suppliers 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?
Connelly Security Systems LTD CSS LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most computer room alarm system suppliers?
London leads with 19 company records, followed by Glasgow (5) and Leicester (5).
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 379 professional contacts with verified work emails tracked across these 236 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 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 236 computer room alarm system suppliers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Computer room alarm system suppliers by geography
- Computer room alarm system suppliers based in Australia
- Computer room alarm system suppliers based in Belgium
- Computer room alarm system suppliers based in Brazil
- Computer room alarm system suppliers based in Canada
- Computer room alarm system suppliers based in France
- Computer room alarm system suppliers based in Germany
- Computer room alarm system suppliers based in India
- Computer room alarm system suppliers based in Italy
- Computer room alarm system suppliers based in the Netherlands
- Computer room alarm system suppliers based in Spain
- Computer room alarm system suppliers based in Sweden
- Computer room alarm system suppliers based in Türkiye
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
- Computer room alarm system suppliers based in Australia
- Computer room alarm system suppliers based in Belgium
- Computer room alarm system suppliers based in Brazil
- Computer room alarm system suppliers based in Canada
- Computer room alarm system suppliers based in France
- Computer room alarm system suppliers based in Germany
Company intelligence · public preview
Top 25 computer room alarm system suppliers 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 236 matching company records for computer room alarm system suppliers based in the United Kingdom, with 1,171 tracked contacts and 379 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 5, 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 computer room alarm system suppliers 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 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Alert Alarms Family-Run Security Specialists Protecting Homes & Businesses Since 1982alertalarms.co.ukHQ: Redditch, United KingdomReported employees: 1-10 | Redditch, United Kingdom | 1-10 | Exact match | 30 contacts → |
“Protecting homes and businesses since 1982.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Photuris Fire & Securityphoturis.co.ukHQ: Dinnington, United KingdomReported employees: 11-50 | Dinnington, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Established in 2005, Photuris is a trusted provider of fire protection, security systems, and communications solutions across the UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Farsight Security Services LTDfarsight.co.ukHQ: Peterborough, United KingdomReported employees: 51-200 | Peterborough, United Kingdom | 51-200 | Exact match | 27 contacts → |
“Farsight Security Services is a market-leading provider of remote monitoring and ARC services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Fenix Monitoringfenixmonitoring.comHQ: Oxford, United KingdomReported employees: 11-50 | Oxford, United Kingdom | 11-50 | Exact match | 20 contacts → |
“For Fire, Alarm & CCTV Installation companies who need reliable monitoring solutions for their clients, Fenix is a completely NEW type of alarm management partnership.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Alarmtec LTDalarmtec.co.ukHQ: Exeter, United KingdomReported employees: 51-200 | Exeter, United Kingdom | 51-200 | Exact match | 18 contacts → |
“Alarmtec was established in 1974 and since then we have developed and grown to become one of the UK's leading independent specialist fire and life protection system providers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  SGS Systems Limitedsgssystems.comHQ: Wolverhampton, United KingdomReported employees: 11-50 | Wolverhampton, United Kingdom | 11-50 | Exact match | 17 contacts → |
“SGS Systems has been supplying, installing & maintaining security systems for homes & businesses in Wolverhampton, Birmingham, Staffordshire, Shropshire & the Midlands for 30…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Chubb Fire & Security LTDchubbfs.comHQ: Blackburn, United KingdomReported employees: 1,001-5,000 | Blackburn, United Kingdom | 1,001-5,000 | Exact match | 16 contacts → |
“At Chubb, we help you drive what matters most through planning, designing and installing fire-safety systems and security solutions that make your buildings safer, healthier and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Defensor Life Safety Systemsdefensorlifesafety.comHQ: Leicester, United KingdomReported employees: 11-50 | Leicester, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Defensor provides a complete service solution for all your commercial fire detection and alarm systems needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Fisher Security LTDfishersecurity.co.ukHQ: Goole, United KingdomReported employees: 11-50 | Goole, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Security Services Provider specialising in Remote Monitoring; Installations and Maintenance of CCTV, Fire and Intruder Alarms, Access Controls.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Phoenix Network Communicationsphoenixnetworks.co.ukHQ: Ilkeston, United KingdomReported employees: 11-50 | Ilkeston, United Kingdom | 11-50 | Exact match | 14 contacts → |
“We are a highly experienced building services company based in Ilkeston Derbyshire in the East Midlands.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Axis Fire & Security Services LTDaxissecurityltd.co.ukHQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Based in Hedge End, Southampton, we offer a full range of fire alarm and security services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Telcam Fire & Securitytelcam.co.ukHQ: England & Wales, United KingdomReported employees: 11-50 | England & Wales, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Telcam Fire & Security is a family-run fire, security and technology systems provider with over 25 years of industry experience.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Protect & Detectprotectanddetect.co.ukHQ: Ipswich, United KingdomReported employees: 11-50 | Ipswich, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Here at Protect and Detect Systems Limited, we’ve been delivering a wealth of fire safety and security services for over two decades.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  TI Securitytisecurity.co.ukHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Since 1969, TI Security has been a leading name in the world of security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Direct Securitydirectsecurity.netHQ: Eynsford, United KingdomReported employees: 11-50 | Eynsford, United Kingdom | 11-50 | Exact match | 10 contacts → |
“At Direct Security we take our responsibility for protecting your home or business very seriously.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  ABM Fire And Securityabmsecurity.co.ukHQ: Liverpool, United KingdomReported employees: 11-50 | Liverpool, United Kingdom | 11-50 | Exact match | 9 contacts → |
“ABM Fire and Security Systems have been based in the North-West of England since 1973 and are the leading, privately owned company, for fire and security systems related…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Adept Security Systems LTDadeptsecurity.comHQ: Wolverhampton, United KingdomReported employees: 11-50 | Wolverhampton, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Adept Security Systems, Peace of Mind, Secured!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Safe Servicessafe-services.co.ukHQ: Galashiels, United KingdomReported employees: 11-50 | Galashiels, United Kingdom | 11-50 | Exact match | 9 contacts → |
“SAFE Services is an independent business established for over 30 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Valley Fire & Security LTDvalleyfireandsecurity.co.ukHQ: Halifax, United KingdomReported employees: 1-10 | Halifax, United Kingdom | 1-10 | Exact match | 9 contacts → |
“About Us At Valley Fire & Security Ltd, we specialise in delivering innovative fire safety and security solutions tailored to meet the needs of businesses across the UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Premier Security Systems UKpremiersecurity.ukHQ: Hemel Hempstead, United KingdomReported employees: 11-50 | Hemel Hempstead, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Established in 2005, Premier Security Systems has built an enviable reputation across London and the Southeast.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 236 company matches
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Computer room alarm system suppliers: dataset insights
November 5, 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
223 records in the displayed employee bands.
13 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 236 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 5, 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 ↗
Questions about this company list
What does Exact match mean for computer room alarm system suppliers?
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 computer room alarm system suppliers did RevenueBase find based in the United Kingdom?
The saved snapshot records 236 matching company records, 1,171 tracked contacts and 379 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 5, 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
Computer room alarm system suppliers by geography
- Computer room alarm system suppliers based in Australia
- Computer room alarm system suppliers based in Belgium
- Computer room alarm system suppliers based in Brazil
- Computer room alarm system suppliers based in Canada
- Computer room alarm system suppliers based in France
- Computer room alarm system suppliers based in Germany
- Computer room alarm system suppliers based in India
- Computer room alarm system suppliers based in Italy
- Computer room alarm system suppliers based in the Netherlands
- Computer room alarm system suppliers based in Spain
- Computer room alarm system suppliers based in Sweden
- Computer room alarm system suppliers based in Türkiye
Cite this list
RevenueBase Data Team. Top 25 computer room alarm system suppliers based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/computer-room-alarm-system-suppliers/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
- Computer room alarm system suppliers based in Australia
- Computer room alarm system suppliers based in Belgium
- Computer room alarm system suppliers based in Brazil
- Computer room alarm system suppliers based in Canada
- Computer room alarm system suppliers based in France
- Computer room alarm system suppliers based in Germany
Company intelligence · public preview
Top 25 computer room alarm system suppliers based in the United Kingdom
RevenueBase records 236 matching company records for computer room alarm system suppliers based in the United Kingdom, with 1,171 tracked contacts and 379 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 5, 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 computer room alarm system suppliers 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 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Alert Alarms Family-Run Security Specialists Protecting Homes & Businesses Since 1982alertalarms.co.uk HQ: Redditch, United KingdomReported employees: 1-10 | Redditch, United Kingdom | 1-10 | Exact match | 30 contacts → |
“Protecting homes and businesses since 1982.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Photuris Fire & Securityphoturis.co.uk HQ: Dinnington, United KingdomReported employees: 11-50 | Dinnington, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Established in 2005, Photuris is a trusted provider of fire protection, security systems, and communications solutions across the UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Farsight Security Services LTDfarsight.co.uk HQ: Peterborough, United KingdomReported employees: 51-200 | Peterborough, United Kingdom | 51-200 | Exact match | 27 contacts → |
“Farsight Security Services is a market-leading provider of remote monitoring and ARC services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Fenix Monitoringfenixmonitoring.com HQ: Oxford, United KingdomReported employees: 11-50 | Oxford, United Kingdom | 11-50 | Exact match | 20 contacts → |
“For Fire, Alarm & CCTV Installation companies who need reliable monitoring solutions for their clients, Fenix is a completely NEW type of alarm management partnership.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Alarmtec LTDalarmtec.co.uk HQ: Exeter, United KingdomReported employees: 51-200 | Exeter, United Kingdom | 51-200 | Exact match | 18 contacts → |
“Alarmtec was established in 1974 and since then we have developed and grown to become one of the UK's leading independent specialist fire and life protection system providers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SGS Systems Limitedsgssystems.com HQ: Wolverhampton, United KingdomReported employees: 11-50 | Wolverhampton, United Kingdom | 11-50 | Exact match | 17 contacts → |
“SGS Systems has been supplying, installing & maintaining security systems for homes & businesses in Wolverhampton, Birmingham, Staffordshire, Shropshire & the Midlands for 30…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Chubb Fire & Security LTDchubbfs.com HQ: Blackburn, United KingdomReported employees: 1,001-5,000 | Blackburn, United Kingdom | 1,001-5,000 | Exact match | 16 contacts → |
“At Chubb, we help you drive what matters most through planning, designing and installing fire-safety systems and security solutions that make your buildings safer, healthier and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Defensor Life Safety Systemsdefensorlifesafety.com HQ: Leicester, United KingdomReported employees: 11-50 | Leicester, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Defensor provides a complete service solution for all your commercial fire detection and alarm systems needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fisher Security LTDfishersecurity.co.uk HQ: Goole, United KingdomReported employees: 11-50 | Goole, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Security Services Provider specialising in Remote Monitoring; Installations and Maintenance of CCTV, Fire and Intruder Alarms, Access Controls.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Phoenix Network Communicationsphoenixnetworks.co.uk HQ: Ilkeston, United KingdomReported employees: 11-50 | Ilkeston, United Kingdom | 11-50 | Exact match | 14 contacts → |
“We are a highly experienced building services company based in Ilkeston Derbyshire in the East Midlands.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Axis Fire & Security Services LTDaxissecurityltd.co.uk HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Based in Hedge End, Southampton, we offer a full range of fire alarm and security services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Telcam Fire & Securitytelcam.co.uk HQ: England & Wales, United KingdomReported employees: 11-50 | England & Wales, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Telcam Fire & Security is a family-run fire, security and technology systems provider with over 25 years of industry experience.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Protect & Detectprotectanddetect.co.uk HQ: Ipswich, United KingdomReported employees: 11-50 | Ipswich, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Here at Protect and Detect Systems Limited, we’ve been delivering a wealth of fire safety and security services for over two decades.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | TI Securitytisecurity.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Since 1969, TI Security has been a leading name in the world of security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Direct Securitydirectsecurity.net HQ: Eynsford, United KingdomReported employees: 11-50 | Eynsford, United Kingdom | 11-50 | Exact match | 10 contacts → |
“At Direct Security we take our responsibility for protecting your home or business very seriously.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ABM Fire And Securityabmsecurity.co.uk HQ: Liverpool, United KingdomReported employees: 11-50 | Liverpool, United Kingdom | 11-50 | Exact match | 9 contacts → |
“ABM Fire and Security Systems have been based in the North-West of England since 1973 and are the leading, privately owned company, for fire and security systems related…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Adept Security Systems LTDadeptsecurity.com HQ: Wolverhampton, United KingdomReported employees: 11-50 | Wolverhampton, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Adept Security Systems, Peace of Mind, Secured!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Safe Servicessafe-services.co.uk HQ: Galashiels, United KingdomReported employees: 11-50 | Galashiels, United Kingdom | 11-50 | Exact match | 9 contacts → |
“SAFE Services is an independent business established for over 30 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Valley Fire & Security LTDvalleyfireandsecurity.co.uk HQ: Halifax, United KingdomReported employees: 1-10 | Halifax, United Kingdom | 1-10 | Exact match | 9 contacts → |
“About Us At Valley Fire & Security Ltd, we specialise in delivering innovative fire safety and security solutions tailored to meet the needs of businesses across the UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Premier Security Systems UKpremiersecurity.uk HQ: Hemel Hempstead, United KingdomReported employees: 11-50 | Hemel Hempstead, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Established in 2005, Premier Security Systems has built an enviable reputation across London and the Southeast.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 236 company matches
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Computer room alarm system suppliers: dataset insights
November 5, 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
223 records in the displayed employee bands.
13 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 236 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 5, 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 ↗
Questions about this company list
What does Exact match mean for computer room alarm system suppliers?
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 computer room alarm system suppliers did RevenueBase find based in the United Kingdom?
The saved snapshot records 236 matching company records, 1,171 tracked contacts and 379 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 5, 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
Computer room alarm system suppliers by geography
- Computer room alarm system suppliers based in Australia
- Computer room alarm system suppliers based in Belgium
- Computer room alarm system suppliers based in Brazil
- Computer room alarm system suppliers based in Canada
- Computer room alarm system suppliers based in France
- Computer room alarm system suppliers based in Germany
- Computer room alarm system suppliers based in India
- Computer room alarm system suppliers based in Italy
- Computer room alarm system suppliers based in the Netherlands
- Computer room alarm system suppliers based in Spain
- Computer room alarm system suppliers based in Sweden
- Computer room alarm system suppliers based in Türkiye
Cite this list
RevenueBase Data Team. Top 25 computer room alarm system suppliers based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/computer-room-alarm-system-suppliers/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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- Computer room alarm system suppliers based in Australia
- Computer room alarm system suppliers based in Belgium
- Computer room alarm system suppliers based in Brazil
- Computer room alarm system suppliers based in Canada
- Computer room alarm system suppliers based in France
- Computer room alarm system suppliers based in Germany