Company lists · Data refreshed October 2026

Top 25 Perimeter detection suppliers based in the United Kingdom

Name: Perimeter detection suppliers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 787 companies tracked

RevenueBase identified 787 company matches for perimeter detection suppliers associated with the United Kingdom as of October 2026 and tracks 13,640 professional contacts across them, including 4,714 with verified work emails. London is the largest hub.

This list covers company matches for perimeter detection 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 October 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 28, 2026 How this list was built

787Companies

13,640Contacts tracked

4,714Verified emails

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The 25 largest perimeter detection suppliers based in the United Kingdom

Ranked by team size

Top 25 of 787 company matches for perimeter detection suppliers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Chubb Fire & Security	Exact match	Staines, United KingdomHQ recorded Oct 28, 2026	10001+	6,400 contacts →
	Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Global Security	Exact match	Blackburn, United KingdomHQ recorded Oct 28, 2026	n/a	417 contacts →
	Exact match “At Global Security Ltd, we are proud to be one of the UK’s trusted suppliers of CCTV, intruder alarms, access control, and fire safety systems.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	Kings Secure Technologies	Exact match	Bradford, United KingdomHQ recorded Oct 28, 2026	501-1,000	347 contacts →
	Exact match “Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	Betafence Group	Exact match	Leeds, United KingdomHQ recorded Oct 28, 2026	1,001-5,000	235 contacts →
	Exact match “Betafence - Global Leader in Perimeter Protection For over 145 years, Betafence has been a trusted partner in perimeter protection, providing high-quality fencing and industrial…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5	QCIC	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	163 contacts →
	Exact match “QCIC is an award-winning global engineering firm specialising in designing, building and running security systems.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	Norbain SD	Exact match	Bracknell, United KingdomHQ recorded Oct 28, 2026	51-200	160 contacts →
	Exact match “Norbain is a leading UK security distributor, covering video surveillance, access control & intruder detection solutions.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	Frontline Security Solutions	Exact match	Chalfont St Peter, United KingdomHQ recorded Oct 28, 2026	51-200	146 contacts →
	Exact match “Frontline Security Solutions is a global electronic security integrator specialising in Access Control, CCTV, Intruder and Intercom systems that protect people, property and…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8	Total Security Protection LTD	Exact match	Watford, United KingdomHQ recorded Oct 28, 2026	51-200	122 contacts →
	Exact match “TSP has a reputation for providing enterprise security solutions, as well as excellent system integration standards and exceptional aftercare support, since its founding in 1988.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	Vantage Security	Exact match	West Midlands, United KingdomHQ recorded Oct 28, 2026	201-500	118 contacts →
	Exact match “Having a 34 year old presence in the security & surveillance industry, Vantage has seen the industry being conceived and mature over time and have been at the forefront of every…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	Croma Security Solutions Group PLC Cssg	Exact match	Whiteley, United KingdomHQ recorded Oct 28, 2026	501-1,000	85 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 · Oct 28, 2026 · View company records in RevenueBase
11	ABEL	Exact match	Leicester, United KingdomHQ recorded Oct 28, 2026	51-200	70 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 · Oct 28, 2026 · View company records in RevenueBase
12	Alertsystems LTD	Exact match	Trowbridge, United KingdomHQ recorded Oct 28, 2026	51-200	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 · Oct 28, 2026 · View company records in RevenueBase
13	Secur-It Integrated Services LTD	Exact match	South Normanton, United KingdomHQ recorded Oct 28, 2026	201-500	52 contacts →
	Exact match “Secur-it is a leading provider of security services and risk management.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	ACE Fire And Security	Exact match	Bedford, United KingdomHQ recorded Oct 28, 2026	51-200	48 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 · Oct 28, 2026 · View company records in RevenueBase
15	Custom Intelligent Security	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	46 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 · Oct 28, 2026 · View company records in RevenueBase
16	Connelly Security Systems LTD CSS LTD	Exact match	Glasgow, United KingdomHQ recorded Oct 28, 2026	51-200	46 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 · Oct 28, 2026 · View company records in RevenueBase
17	Ak9 Security And FM Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	501-1,000	46 contacts →
	Exact match “AK9 Security and FM Solutions offers comprehensive security solutions for businesses, governmental organizations, and residential areas.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	Optyma Security Systems LTD	Exact match	Bexleyheath, United KingdomHQ recorded Oct 28, 2026	51-200	45 contacts →
	Exact match “Since 1987 Optyma Integrated Security Systems have been successfully delivering complex integrated security projects using the latest technology.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	Crime And Fire Defence Systems LTD	Exact match	Wakefield, United KingdomHQ recorded Oct 28, 2026	11-50	44 contacts →
	Exact match “Established since 1994, Crime and Fire delivers state-of-the-art cost-effective security solutions, to the highest quality and safety standards.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	Knight Security & Fire Limited	Exact match	Byfleet, United KingdomHQ recorded Oct 28, 2026	n/a	44 contacts →
	Exact match “We are specialist providers of professional security system solutions.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	Atec Security	Exact match	Wolverhampton, United KingdomHQ recorded Oct 28, 2026	51-200	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 · Oct 28, 2026 · View company records in RevenueBase
22	Gratte Brothers Security Systems & Software	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	40 contacts →
	Exact match “Gratte Brothers is an experienced provider of integrated security solutions, which are Built on Strong Values and ultimately deliver a measurable return on investment.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	Doyle Security LTD	Exact match	Dodworth, United KingdomHQ recorded Oct 28, 2026	51-200	40 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 · Oct 28, 2026 · View company records in RevenueBase
24	Absolute Fire & Security Systems Limited	Exact match	Godalming, United KingdomHQ recorded Oct 28, 2026	11-50	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 · Oct 28, 2026 · View company records in RevenueBase
25	Clearview Communications	Exact match	Chelmsford, United KingdomHQ recorded Oct 28, 2026	51-200	39 contacts →
	Exact match “Since 1996, ClearView has been meeting some of the world's most demanding security requirements by utilising our experience in design, manufacture, installation and service of the…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “perimeter detection 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 787 perimeter detection suppliers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 4,714 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Perimeter detection suppliers based in the United Kingdom at a glance

As of Oct 28, 2026

34.6%Verified-email coverage

17.3Average contacts per company

1-10Median size (employees)

10.5%Largest-city concentration · London

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

422

11-50

265

51-200

201-500

501-1,000

1,001-5,000

10001+

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 787 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 “perimeter detection 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 4,714 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 October 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Perimeter detection suppliers by metro

Perimeter detection suppliers in London83

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 “perimeter detection suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many perimeter detection suppliers are there based in the United Kingdom?

RevenueBase identified 787 company matches for perimeter detection suppliers associated with the United Kingdom as of October 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?

Chubb Fire & Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most perimeter detection suppliers?

London leads with 83 company records, followed by Manchester (22) and Birmingham (15).

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 4,714 professional contacts with verified work emails tracked across these 787 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 October 28, 2026.

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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.