Company lists · Data refreshed October 2026

Top 25 Burglar alarm installation services based in the United Kingdom

Name: Burglar alarm installation services based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 23, 2026 1,259 companies tracked

RevenueBase identified 1,259 company matches for burglar alarm installation services associated with the United Kingdom as of October 2026 and tracks 6,501 professional contacts across them, including 1,821 with verified work emails. London is the largest hub.

This list covers company matches for burglar alarm installation services 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 23, 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 23, 2026 How this list was built

1,259Companies

6,501Contacts tracked

1,821Verified emails

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The 25 largest burglar alarm installation services based in the United Kingdom

Ranked by team size

Top 25 of 1,259 company matches for burglar alarm installation services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 23, 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	Marlowe Fire & Security	Exact match	Manchester, United KingdomHQ recorded Oct 23, 2026	501-1,000	305 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 · Oct 23, 2026 · View company records in RevenueBase
2	Gough & Kelly	Exact match	Leeds, United KingdomHQ recorded Oct 23, 2026	51-200	173 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 · Oct 23, 2026 · View company records in RevenueBase
3	Croma Security Solutions Group PLC Cssg	Exact match	Whiteley, United KingdomHQ recorded Oct 23, 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 23, 2026 · View company records in RevenueBase
4	SPY Alarms LTD	Exact match	Orpington, United KingdomHQ recorded Oct 23, 2026	201-500	80 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 · Oct 23, 2026 · View company records in RevenueBase
5	ABEL	Exact match	Leicester, United KingdomHQ recorded Oct 23, 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 23, 2026 · View company records in RevenueBase
6	Alertsystems LTD	Exact match	Trowbridge, United KingdomHQ recorded Oct 23, 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 23, 2026 · View company records in RevenueBase
7	WLS	Exact match	London, United KingdomHQ recorded Oct 23, 2026	51-200	59 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 · Oct 23, 2026 · View company records in RevenueBase
8	The Protector Group	Exact match	Gateshead, United KingdomHQ recorded Oct 23, 2026	201-500	54 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 · Oct 23, 2026 · View company records in RevenueBase
9	Secur-It Integrated Services LTD	Exact match	South Normanton, United KingdomHQ recorded Oct 23, 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 23, 2026 · View company records in RevenueBase
10	Associated Security Solutions	Exact match	Manchester, United KingdomHQ recorded Oct 23, 2026	51-200	48 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 · Oct 23, 2026 · View company records in RevenueBase
11	The Chris Lewis Group	Exact match	Oxford, United KingdomHQ recorded Oct 23, 2026	51-200	47 contacts →
	Exact match “Since 1993, The Chris Lewis Group has been the trusted fire, security and smart technology partner for homeowners and businesses across Oxfordshire, Berkshire, Buckinghamshire…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
12	Connelly Security Systems LTD CSS LTD	Exact match	Glasgow, United KingdomHQ recorded Oct 23, 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 23, 2026 · View company records in RevenueBase
13	Risk Management Security Services	Exact match	High Wycombe, United KingdomHQ recorded Oct 23, 2026	51-200	46 contacts →
	Exact match “Risk Management Security Services specialise in providing bespoke security to commercial, residential and Industrial premises.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
14	Knight Security & Fire Limited	Exact match	Byfleet, United KingdomHQ recorded Oct 23, 2026	n/a	44 contacts →
	Exact match “We are specialist providers of professional security system solutions.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
15	Doyle Security LTD	Exact match	Dodworth, United KingdomHQ recorded Oct 23, 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 23, 2026 · View company records in RevenueBase
16	Lincoln Security	Exact match	Lincoln, United KingdomHQ recorded Oct 23, 2026	11-50	35 contacts →
	Exact match “Founded in 1974, Lincoln Security Ltd.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
17	Safeguard Secure Solutions LTD	Exact match	Bicester, United KingdomHQ recorded Oct 23, 2026	n/a	34 contacts →
	Exact match “SECURITY EXPERTS FOR SCHOOLS, BUSINESS AND HOMES.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
18	Zicam Systems Group LTD	Exact match	Bromsgrove, United KingdomHQ recorded Oct 23, 2026	11-50	32 contacts →
	Exact match “Zicam specialise in state-of-the-art security disciplines covering remotely monitored CCTV, Access Control, Fire Alarms, Permitter Protection and Intruder Alarm Systems.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
19	Guide Security	Exact match	Darwen, United KingdomHQ recorded Oct 23, 2026	51-200	30 contacts →
	Exact match “Many security companies pull together different providers to deliver a single service.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
20	Alert Alarms Family-Run Security Specialists Protecting Homes & Businesses Since 1982	Exact match	Redditch, United KingdomHQ recorded Oct 23, 2026	1-10	30 contacts →
	Exact match “Protecting homes and businesses since 1982.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
21	Unique Fire And Security LTD	Exact match	Poole, United KingdomHQ recorded Oct 23, 2026	11-50	30 contacts →
	Exact match “Based on the south coast, with coverage across Dorset, Hampshire and surrounding areas, Unique Fire & Security has many years of experience in the fire protection and property…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
22	KBO Fire & Security	Exact match	Camberley, United KingdomHQ recorded Oct 23, 2026	51-200	27 contacts →
	Exact match “For over 30 years, we’ve been making life more secure for home owners and businesses across London, Surrey, Hampshire and the surrounding counties.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
23	Rosse Systems	Exact match	Shipley, United KingdomHQ recorded Oct 23, 2026	11-50	27 contacts →
	Exact match “Rosse Systems specialises in Active Fire and Security Systems.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
24	Building Protection Systems	Exact match	Belfast, United KingdomHQ recorded Oct 23, 2026	11-50	26 contacts →
	Exact match “We provide both New Build Solutions and Maintenance Contracts for companies throughout the UK & Ireland.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
25	Aberdeen Alarm Company LTD	Exact match	Aberdeen, United KingdomHQ recorded Oct 23, 2026	51-200	24 contacts →
	Exact match “Based in Aberdeen, Inverness, and now also Glasgow, Aberdeen Alarm Company Ltd offer a range of solutions for your security, fire prevention and locksmith requirements.” Recorded in the RevenueBase company graph · Oct 23, 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 “burglar alarm installation services”. 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 1,259 burglar alarm installation services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,821 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Burglar alarm installation services based in the United Kingdom at a glance

As of Oct 23, 2026

28.0%Verified-email coverage

5.2Average contacts per company

1-10Median size (employees)

9.1%Largest-city concentration · London

Oct 23, 2026Page data refreshed

Companies by employee count

1-10

811

11-50

361

51-200

201-500

501-1,000

1,001-5,000

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 1,259 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 “burglar alarm installation services” 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 1,821 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 23, 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.

Burglar alarm installation services 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 “burglar alarm installation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many burglar alarm installation services are there based in the United Kingdom?

RevenueBase identified 1,259 company matches for burglar alarm installation services 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?

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

Which city has the most burglar alarm installation services?

London leads with 115 company records, followed by Manchester (30) and Leicester (16).

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 1,821 professional contacts with verified work emails tracked across these 1,259 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 23, 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.