Company lists · Data refreshed November 2026

Top 22 Emergency response communication providers based in the United Kingdom

RevenueBase identified 55 company matches for emergency response communication providers associated with the United Kingdom as of November 2026 and tracks 1,119 professional contacts across them, including 363 with verified work emails. London is the largest hub.

This list covers company matches for emergency response communication providers 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 6, 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 6, 2026 How this list was built
55Companies
1,119Contacts tracked
363Verified emails
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The 22 largest emergency response communication providers based in the United Kingdom

Ranked by team size
Top 22 of 55 company matches for emergency response communication providers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 6, 202610001+238 contacts →

Exact match

“Airwave was acquired by Motorola Solutions in 2016.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchChippenham, United KingdomHQ recorded Nov 6, 2026501-1,000134 contacts →

Exact match

“Public Safety, an NEC company, is a leading solution provider to the Police, Criminal Justice, Emergency Services and Critical Responder sectors across the world; helping to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBasingstoke, United KingdomHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“We are Multitone, a pioneer of wireless messaging and a specialist developer of integrated communication systems for on-site or global usage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchKirkham, United KingdomHQ recorded Nov 6, 202651-20044 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchOxfordshire, United KingdomHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“EMFS Group is the UK's largest provider of comprehensive emergency medical, fire safety, and training solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBrentford, United KingdomHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Critico is a cutting edge communications platform provider that ensures quality connections between people when it matters most.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchChelsea, United KingdomHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Protecting Reputation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSouthampton, United KingdomHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“SpillConsult Ltd provides Emergency Response Services to the International Oil and Gas Industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMiddlesbrough, United KingdomHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Established in 1986 Eemits Communications Ltd has become a market leader providing 2 way radio solutions to help solve your communication needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Most organisations can send alerts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLeyland, United KingdomHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“For 30 years TES has deployed and maintained sophisticated communication systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDerby, United KingdomHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
13Exact matchHuntingdon, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“HIRE, SALES AND SERVICE OF VOICE AND DATA RADIO COMMUNICATION SYSTEMS, BODYCAMS AND APPLICATIONS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHigh Wycombe, United KingdomHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“Controlled Events helps organisations prepare for disruption, respond with confidence and stay in control when it matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNorwich, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“We are experts in helping businesses address the effects incidents have on people, the local environment, operations and their reputation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHigh Wycombe, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“In fast-moving, high-pressure environments, communication isn’t just important-it’s critical.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchManchester, United KingdomHQ recorded Nov 6, 202611-503 contacts →

Exact match

“YUDU Sentinel provides an independent out-of-band communications platform for boards, C-suite and crisis teams, delivering secure messaging, video conferencing, crisis rooms, mass…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPeterborough, United KingdomHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Dynamic alerting solutions for diverse needs - a single too for mass notification, emergency alerts, incident reporting lines, and document management and distribution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNuneaton, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Wherever, Whenever, We've Got You Wherever you are and whatever you do, Complexus can offer a communications solution which is right for you, employing cutting-edge technology to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCranfield, United KingdomHQ recorded Nov 6, 202651-2001 contacts →

Exact match

“The original international emergency management network, EUROWATCH has over 10 years’ experience in the complex environment of cross-border security and emergency management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“When something goes wrong in a crowded place, two things determine what happens next.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLutterworth, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Callmy are a UK based technology company, who deliver a cloud based mass notification, response and location service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 22 of 55 emergency response communication providers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 363 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Emergency response communication providers based in the United Kingdom at a glance

As of Nov 6, 2026
32.4%Verified-email coverage
20.3Average contacts per company
11-50Median size (employees)
14.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
15
51-200
8
201-500
2
501-1,000
1
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 55 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 “emergency response communication providers” 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 363 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 6, 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 “emergency response communication providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many emergency response communication providers are there based in the United Kingdom?

RevenueBase identified 55 company matches for emergency response communication providers 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 emergency response communication providers?

London leads with 8 company records, followed by Southampton (3) and Harrogate (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 363 professional contacts with verified work emails tracked across these 55 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 6, 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.