Company lists · Data refreshed September 2026

Top 25 Exclusive home security installers based in the United Kingdom

Name: Exclusive home security installers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 1,761 companies tracked

RevenueBase identified 1,761 company matches for exclusive home security installers associated with the United Kingdom as of September 2026 and tracks 97,560 professional contacts across them, including 6,402 with verified work emails. London is the largest hub.

This list covers company matches for exclusive home security 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 September 28, 2026.

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

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

1,761Companies

97,560Contacts tracked

6,402Verified emails

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The 25 largest exclusive home security installers based in the United Kingdom

Ranked by team size

Top 25 of 1,761 company matches for exclusive home security installers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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	G4s	Exact match	London, United KingdomHQ recorded Sep 28, 2026	10001+	79,699 contacts →
	Exact match “G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Chubb Fire & Security	Exact match	Staines, United KingdomHQ recorded Sep 28, 2026	10001+	6,169 contacts →
	Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Global Security	Exact match	Blackburn, United KingdomHQ recorded Sep 28, 2026	n/a	393 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 · Sep 28, 2026 · View company records in RevenueBase
4	Marlowe Fire & Security	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	501-1,000	389 contacts →
	Exact match “Mitie Fire & Security is part of Mitie, the UK’s leading facilities management and professional services company, delivering integrated fire and security solutions that protect…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Kings Secure Technologies	Exact match	Bradford, United KingdomHQ recorded Sep 28, 2026	501-1,000	326 contacts →
	Exact match “Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	ADT UK & Ireland	Exact match	Sunbury On Thames, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	172 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Texecom LTD	Exact match	Haslingden, United KingdomHQ recorded Sep 28, 2026	201-500	170 contacts →
	Exact match “Looking after the things people care about, wherever they are’.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Gough & Kelly	Exact match	Leeds, United KingdomHQ recorded Sep 28, 2026	51-200	157 contacts →
	Exact match “A premier provider of security products and services across England, Gough & Kelly was formed in 1988 to influence and inspire the security and electrical marketplace by providing…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Frontline Security Solutions	Exact match	Chalfont St Peter, United KingdomHQ recorded Sep 28, 2026	51-200	145 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 · Sep 28, 2026 · View company records in RevenueBase
10	Total Security Protection LTD	Exact match	Watford, United KingdomHQ recorded Sep 28, 2026	51-200	116 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 · Sep 28, 2026 · View company records in RevenueBase
11	K4 Security - K4 Group	Exact match	Hounslow, United KingdomHQ recorded Sep 28, 2026	201-500	89 contacts →
	Exact match “For a better service and competitive price try K4 Security Services At K4 we offer the following: 1.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Croma Security Solutions Group PLC Cssg	Exact match	Whiteley, United KingdomHQ recorded Sep 28, 2026	501-1,000	87 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 · Sep 28, 2026 · View company records in RevenueBase
13	SPY Alarms LTD	Exact match	Orpington, United KingdomHQ recorded Sep 28, 2026	201-500	71 contacts →
	Exact match “Spy Alarms is probably the largest privately owned business installing security systems in the South East, started by Martin Foster after his own house was burgled and he could…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	ABEL	Exact match	Leicester, United KingdomHQ recorded Sep 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 · Sep 28, 2026 · View company records in RevenueBase
15	City Security Services Part Of City Group Security	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	64 contacts →
	Exact match “City Security Services (CSS) have more than 25 years’ experience within the corporate security, public sector, education and social housing markets delivering manned guarding…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Alertsystems LTD	Exact match	Trowbridge, United KingdomHQ recorded Sep 28, 2026	51-200	61 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 · Sep 28, 2026 · View company records in RevenueBase
17	WLS	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	61 contacts →
	Exact match “WLS (West London Security) has been providing security and solutions to London's homes and businesses for over 40 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	ACE Fire And Security	Exact match	Bedford, United KingdomHQ recorded Sep 28, 2026	51-200	52 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 · Sep 28, 2026 · View company records in RevenueBase
19	The Protector Group	Exact match	Gateshead, United KingdomHQ recorded Sep 28, 2026	201-500	52 contacts →
	Exact match “The Protector Group are a multi disciplined security company specializing in Manned Guarding, CCTV installation, maintenance and monitoring, Intruder and Fire alarm installation…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Secur-It Integrated Services LTD	Exact match	South Normanton, United KingdomHQ recorded Sep 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 · Sep 28, 2026 · View company records in RevenueBase
21	Custom Intelligent Security	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	51 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 · Sep 28, 2026 · View company records in RevenueBase
22	Portal Security	Exact match	Cumbernauld, United KingdomHQ recorded Sep 28, 2026	201-500	51 contacts →
	Exact match “Portal Security is a leading provider of security services dedicated to safeguarding individuals, businesses, and communities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Amthal Group Companies	Exact match	St Albans, United KingdomHQ recorded Sep 28, 2026	51-200	50 contacts →
	Exact match “We are Amthal Group Companies, one of the nation’s trusted commercial life safety and security technology partners for UK businesses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Connelly Security Systems LTD CSS LTD	Exact match	Glasgow, United KingdomHQ recorded Sep 28, 2026	51-200	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 · Sep 28, 2026 · View company records in RevenueBase
25	Associated Security Solutions	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	51-200	47 contacts →
	Exact match “We're here to help you sufficiently protect your valued goods - whether its safeguarding items in your home or putting a security strategy in place for your business, we've got…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

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

This list uses Exact for “exclusive home security 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 1,761 exclusive home security installers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 6,402 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Exclusive home security installers based in the United Kingdom at a glance

As of Sep 28, 2026

6.6%Verified-email coverage

55.4Average contacts per company

1-10Median size (employees)

10.2%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

1,069

11-50

513

51-200

126

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 1,761 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 “exclusive home security 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 6,402 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Exclusive home security 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 “exclusive home security installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many exclusive home security installers are there based in the United Kingdom?

RevenueBase identified 1,761 company matches for exclusive home security installers associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

G4s tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most exclusive home security installers?

London leads with 180 company records, followed by Manchester (39) and Birmingham (25).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,402 professional contacts with verified work emails tracked across these 1,761 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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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.