Company lists · Data refreshed September 2026

Top 14 Hospitality security companies based in London, United Kingdom

Name: Hospitality security companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 12, 2026 95 companies tracked

RevenueBase identified 95 hospitality security companies headquartered in London, United Kingdom as of September 2026 and tracks 1,010 professional contacts across them, including 62 with verified work emails and 33 with mobile numbers. London is the largest hub.

This list covers hospitality security companies headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 12, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 12, 2026 86% judged on-target in blind review

95Companies

1,010Contacts tracked

62Verified emails

33Mobile numbers

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The 14 largest hospitality security companies based in London, United Kingdom

Ranked by team size

Top 14 of 95 hospitality security companies based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 12, 2026. RevenueBase Smart Search rates how each company's information relates to hospitality security companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Vigilant Security	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	1,001-5,000	133 contacts →
	Partial evidence “Vigilant Security provides a range of services including keyholding, corporate security, event security, mobile patrols as well as specialist services throughout the UK.” Source: RevenueBase Database · checked Sep 12, 2026
2	Ak9 Security And FM Solutions LTD	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	501-1,000	43 contacts →
	Partial evidence “AK9 Security and FM Solutions offers comprehensive security solutions for businesses, governmental organizations, and residential areas.” Source: RevenueBase Database · checked Sep 12, 2026
3	Security Risk Specialists LTD	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	33 contacts →
	Partial evidence “With headquarters in Central London and established in 2013, Security Risk Specialists (SRS) provides tailored Security and Concierge solutions across London.” Source: RevenueBase Database · checked Sep 12, 2026
4	Line Security Services LTD	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	17 contacts →
	Partial evidence “As a security services provider, protecting people and assets is our top priority.” Source: RevenueBase Database · checked Sep 12, 2026
5	Amity Group INC Amity Security	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	14 contacts →
	Indirect evidence “The definition of Amity is peaceful and friendly, as such we aim to live up to our name.” Source: RevenueBase Database · checked Sep 12, 2026
6	Fahrenheit Security	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	13 contacts →
	Partial evidence “Fahrenheit Security Ltd supplies total soft security solutions to high value, high footfall and prestigious environments.” Source: RevenueBase Database · checked Sep 12, 2026
7	Dean Security	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	9 contacts →
	Indirect evidence “We provide a range of services that include but not limited to- Close Protection Operatives - CCTV operators - SIA Door Supervisors - First Aid Staff - Health & Safety Operatives…” Source: RevenueBase Database · checked Sep 12, 2026
8	Measure Group Europe	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	8 contacts →
	Partial evidence “At Measure Group Europe, we're in the security business and are a company of trust, excellence, and partnership.” Source: RevenueBase Database · checked Sep 12, 2026
9	Fourone Associates LTD	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	6 contacts →
	Partial evidence “FourOne Associates is an independent privately owned security company based in London, United Kingdom but with the capability to operate worldwide.” Source: RevenueBase Database · checked Sep 12, 2026
10	Buffalo Security LTD	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	6 contacts →
	Partial evidence “A security team needs to do more than just protect your interests; it needs to contribute in raising the standards of the experience that your guests expect (and receive) at your…” Source: RevenueBase Database · checked Sep 12, 2026
11	Poseidon Security Special Services	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	5 contacts →
	Partial evidence “With over 10 years in the security industry, we have built a reputation for reliability, professionalism, and unparalleled customer service.” Source: RevenueBase Database · checked Sep 12, 2026
12	Aspire Globally	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	1-10	4 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 12, 2026
13	I & S Services LTD	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	4 contacts →
	Indirect evidence “Founded in 2006, I&S has established itself as a trusted agency, building relations with some of the most well respected and high-profile venues and organisations in the…” Source: RevenueBase Database · checked Sep 12, 2026
14	Mark Fagan Associates Limited	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	1-10	1 contacts →
	Partial evidence “Mark Fagan Associates Limited is a Hospitality company located in 18 Hyde Gardens, Eastbourne, United Kingdom.” Source: RevenueBase Database · checked Sep 12, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: hospitality security companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names hospitality security companies.
Partial evidence: Its own public description names part of hospitality security companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name hospitality security companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 14 of 95 hospitality security companies based in London, United Kingdom

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Hospitality security companies based in London, United Kingdom at a glance

As of Sep 12, 2026

6.1%Verified-email coverage

3.3%Mobile-number coverage

10.6Average contacts per company

11-50Median size (employees)

94.7%Largest-city concentration · London

Sep 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 14.0d

500–30

1231–60

061–90

090–180

0180+

Company record updated

Median 79.0d

00–30

17731–60

57261–90

21690–180

45180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among hospitality security companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in London, United Kingdom whose own description of what they do matches “hospitality security companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names hospitality security companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among hospitality security companies, and records with no verified work email. Companies headquartered outside London are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 62 across the full list. 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 12, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Hospitality security companies by metro in the United Kingdom

Hospitality security companies in London90

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names hospitality security companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many hospitality security companies are there based in London, United Kingdom?

RevenueBase identified 95 hospitality security companies headquartered in London, United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Vigilant Security, headquartered in London, tops this list with the largest team on record.

Which city has the most hospitality security companies?

London leads with 90 headquartered companies, followed by Manchester (10) and Leeds (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 62 verified decision-maker contacts tracked across these 95 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 12, 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 Smart Search, 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.