Company lists · Data refreshed November 2026

Top 25 Warning system suppliers based in the United Kingdom

RevenueBase identified 78 company matches for warning system suppliers associated with the United Kingdom as of November 2026 and tracks 1,207 professional contacts across them, including 496 with verified work emails. London is the largest hub.

This list covers company matches for warning 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 3, 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 Nov 3, 2026 How this list was built
78Companies
1,207Contacts tracked
496Verified emails
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The 25 largest warning system suppliers based in the United Kingdom

Ranked by team size
Top 25 of 78 company matches for warning system suppliers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSlough, United KingdomHQ recorded Nov 3, 202610001+238 contacts →

Exact match

“Airwave was acquired by Motorola Solutions in 2016.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
2Exact matchWombourne, United KingdomHQ recorded Nov 3, 2026201-500133 contacts →

Exact match

“We deliver end-to-end solutions across Digital Nurse Call, Bedhead Services Trunking, and Fire Safety Systems.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3Exact matchWigan, United KingdomHQ recorded Nov 3, 2026201-500108 contacts →

Exact match

“C-TEC is a leading UK manufacturer of world-class life-safety systems including open-protocol fire detection and fire alarm systems, fire IoT systems, evacuation alert systems…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 3, 202651-20061 contacts →

Exact match

“E2S is the world's leading independent manufacturer of audible and visual warning signals with 27+ years of engineering, design and production expertise.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchGlasgow, United KingdomHQ recorded Nov 3, 202651-20049 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 3, 2026 · View company records in RevenueBase
6Exact matchKirkham, United KingdomHQ recorded Nov 3, 202651-20044 contacts →

Exact match

“At Audiebant, we believe that when seconds count, communication cannot fail.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact match17 Heron Road, United KingdomHQ recorded Nov 3, 202611-5029 contacts →

Exact match

“Part of EA-RS Group, Crane Communications Ltd is one of the UK & Ireland’s leading Life Safety, Security, and Communication specialists.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchDinnington, United KingdomHQ recorded Nov 3, 202611-5027 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 3, 2026 · View company records in RevenueBase
9Exact matchBuntingford, United KingdomHQ recorded Nov 3, 202611-5024 contacts →

Exact match

“The UK's largest and only specialist supplier of commercial and emergency vehicle warning systems.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchDerby, United KingdomHQ recorded Nov 3, 202611-5021 contacts →

Exact match

“At Alerter Group, we provide really important emergency communication systems – designed to save lives.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchLeeds, United KingdomHQ recorded Nov 3, 202611-5021 contacts →

Exact match

“British manufacturer, Haztec, offers a comprehensive range of audible and visual vehicle warning systems, providing fleet owners and operators with access to the best in vehicle…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchOxford, United KingdomHQ recorded Nov 3, 202611-5020 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 3, 2026 · View company records in RevenueBase
13Exact matchSwansea, United KingdomHQ recorded Nov 3, 202611-5019 contacts →

Exact match

“Zeta Alarms Limited was founded in 1985 and is a privately held UK manufacturer of early warning Fire Alarm Systems, Gas Detection and Emergency Systems.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchExeter, United KingdomHQ recorded Nov 3, 202651-20018 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 3, 2026 · View company records in RevenueBase
15Exact matchCoventry, United KingdomHQ recorded Nov 3, 202611-5018 contacts →

Exact match

“At Woodway, we supply vehicle lighting and safety equipment that’s built to perform, to stand out, and to last.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchBromsgrove, United KingdomHQ recorded Nov 3, 202651-20015 contacts →

Exact match

“Fire Safe Services Ltd began trading over 20 years ago, it was incorporated with the intention to share the co-directors wealth of fire alarm engineering expertise with a small…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchLeicester, United KingdomHQ recorded Nov 3, 202611-5014 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 3, 2026 · View company records in RevenueBase
18Exact matchFordingbridge, United KingdomHQ recorded Nov 3, 202611-5012 contacts →

Exact match

“Detection Supplies is a national distributor of Fire Alarm and Ancillary Equipment.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchWelham Green, United KingdomHQ recorded Nov 3, 20261-1011 contacts →

Exact match

“IGPA SERVICES LIMITED is an electrical/electronic manufacturing company based out of Unit 8, Alpha Business Park, Welham Green AL9 7NT.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchBirmingham, United KingdomHQ recorded Nov 3, 202611-5011 contacts →

Exact match

“Based in Birmingham at the heart of the UK, Moflash Signalling is a leading independent manufacturer of alarms and signalling devices.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21Exact matchSunderland, United KingdomHQ recorded Nov 3, 202611-5010 contacts →

Exact match

“Vox Ignis is a global specialist in voice alarm, emergency voice communication systems and safety alarms that make our buildings safer in fire, safety and security incidents.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22Exact matchGalashiels, United KingdomHQ recorded Nov 3, 202611-509 contacts →

Exact match

“SAFE Services is an independent business established for over 30 years.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchHalifax, United KingdomHQ recorded Nov 3, 20261-109 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 3, 2026 · View company records in RevenueBase
24Exact matchSwadlincote, United KingdomHQ recorded Nov 3, 202611-508 contacts →

Exact match

“D.G.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25Exact matchUxbridge, United KingdomHQ recorded Nov 3, 20261-108 contacts →

Exact match

“Intelligent Security and Fire are an accredited independent security systems company based in West London with over 20 years experience providing installation, maintenance…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 78 warning system suppliers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 496 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Warning system suppliers based in the United Kingdom at a glance

As of Nov 3, 2026
41.1%Verified-email coverage
15.5Average contacts per company
11-50Median size (employees)
5.1%Largest-city concentration · London
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
23
11-50
42
51-200
7
201-500
3
10001+
1

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 78 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 “warning 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 496 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 3, 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 “warning system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many warning system suppliers are there based in the United Kingdom?

RevenueBase identified 78 company matches for warning 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?

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

Which city has the most warning system suppliers?

London leads with 4 company records, followed by Derby (3) and Daventry (2).

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 496 professional contacts with verified work emails tracked across these 78 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 3, 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.