Company lists · Data refreshed October 2026

Top 25 Perimeter guards suppliers based in London, United Kingdom

Name: Perimeter guards suppliers based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 165 companies tracked

RevenueBase identified 165 company matches for perimeter guards suppliers associated with London, United Kingdom as of October 2026 and tracks 2,775 professional contacts across them, including 388 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for perimeter guards suppliers associated with London, 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 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 Oct 28, 2026 How this list was built

165Companies

2,775Contacts tracked

388Verified emails

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The 25 largest perimeter guards suppliers based in London, United Kingdom

Ranked by team size

Top 25 of 165 company matches for perimeter guards suppliers based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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	CIS Security Limited	Exact match	London, United KingdomHQ recorded Oct 28, 2026	1,001-5,000	974 contacts →
	Exact match “CIS Security is an independent security company equipped to help customers to solve the complex challenges in today’s digital, connected and regulated business world.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Interr	Exact match	London, United KingdomHQ recorded Oct 28, 2026	1,001-5,000	230 contacts →
	Exact match “Established in 1994, Interr is a specialist agency providing intelligent guarding, reception, remote monitoring & response and front of house solutions within the retail, hotel…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	The Keyholding Company	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	154 contacts →
	Exact match “The Keyholding Company are a tech-enabled mobile security services company, specialising in alarm response, mobile patrols, locks and unlocks, emergency and temporary guarding…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	Servoca Secure Solutions Limited	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	84 contacts →
	Exact match “At Servoca Secure Solutions, we take great pride in delivering a multi-service security business; offering a range of complementary products and services to both the public and…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5	Vigilance Certified B Corp	Exact match	London, United KingdomHQ recorded Oct 28, 2026	201-500	67 contacts →
	Exact match “Vigilance is a pioneering security company with a proud military heritage.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	Black Diamond Security	Exact match	London, United KingdomHQ recorded Oct 28, 2026	201-500	64 contacts →
	Exact match “Black Diamond Security - Safeguarding Your World.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	City Security Services Part Of City Group Security	Exact match	London, United KingdomHQ recorded Oct 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 · Oct 28, 2026 · View company records in RevenueBase
8	Ak9 Security And FM Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	501-1,000	46 contacts →
	Exact match “AK9 Security and FM Solutions offers comprehensive security solutions for businesses, governmental organizations, and residential areas.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	UK Protection LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	201-500	45 contacts →
	Exact match “UK Protection is widely recognised as the premier supplier of security solutions to the Corporate, Jewellery and Luxury Retail industries across the UK.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	Accolade	Exact match	London, United KingdomHQ recorded Oct 28, 2026	201-500	33 contacts →
	Exact match “Supplier of professional, high quality Security Guarding services-Corporate, retail and event security services-public and private function security-provision of Door Supervisors…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	Line Security Services LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	21 contacts →
	Exact match “As a security services provider, protecting people and assets is our top priority.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12	SSG Support Services Group LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	201-500	20 contacts →
	Exact match “SSG Support Services Group LTD is specialists in provision of Manned guarding Security Services, Door Supervision, Security Guarding, Out of Hours Support, Concierge, Front of…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13	Amity Group INC Amity Security	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	16 contacts →
	Exact match “The definition of Amity is peaceful and friendly, as such we aim to live up to our name.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	Inline Risk Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	14 contacts →
	Exact match “Looking for security?” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	Harris Security Services LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	14 contacts →
	Exact match “Harris Security Services was established with a clear and defined vision; to offer our clients an outstanding and unrivaled personalised service.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	Jaguar Security LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	1,001-5,000	13 contacts →
	Exact match “Overview JAGUAR SECURITY LTD holds Security Industry Authority (SIA) approved contractor status for the provision of Security Guarding Service.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17	Pacific Business Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	11-50	12 contacts →
	Exact match “We take your security seriously and ensure that you and your property are safe and in secure hands.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	Guarding Professionals LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	1-10	10 contacts →
	Exact match “Guarding Professionals is a customer focused security services company providing cost effective advanced security solutions using technical excellence and superior customer…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	Woodwill Security Services	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	10 contacts →
	Exact match “Welcome to Woodwill Security Services, we provide complete security solutions to our clients.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	Intraguard Limited	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	10 contacts →
	Exact match “Our partnership approach to understanding your security needs and developing a bespoke service enables us to cater to all kinds of security requirements.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	Vortex Guarding LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	51-200	9 contacts →
	Exact match “Trusted 24/7 Security Services provider based in London, providing services Nationwide.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Poseidon Security Special Services	Exact match	London, United KingdomHQ recorded Oct 28, 2026	11-50	4 contacts →
	Exact match “With over 10 years in the security industry, we have built a reputation for reliability, professionalism, and unparalleled customer service.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	Hunter Group Security	Exact match	London, United KingdomHQ recorded Oct 28, 2026	11-50	3 contacts →
	Exact match “Hunter Group Security is dedicated to providing you the best in both commercial and residential security patrols.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24	Balthorne Security Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 28, 2026	11-50	2 contacts →
	Exact match “At Balthorne Security Solutions, we understand the risks people face and the importance of reliable security.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25	Wepatrol	Exact match	London, United KingdomHQ recorded Oct 28, 2026	1-10	2 contacts →
	Exact match “We are a London-based Private Security Company providing security services to both residential and commercial business clients.” Recorded in the RevenueBase company graph · Oct 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 “perimeter guards suppliers”. 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 165 perimeter guards suppliers based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 388 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Perimeter guards suppliers based in London, United Kingdom at a glance

As of Oct 28, 2026

14.0%Verified-email coverage

16.8Average contacts per company

11-50Median size (employees)

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 165 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 London, United Kingdom whose business descriptions match “perimeter guards 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 388 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 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.

Perimeter guards suppliers by metro in the United Kingdom

Perimeter guards suppliers in Birmingham31

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 “perimeter guards suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many perimeter guards suppliers are there based in London, United Kingdom?

RevenueBase identified 165 company matches for perimeter guards suppliers associated with London, 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?

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

Which city in the United Kingdom has the most perimeter guards suppliers?

London leads the United Kingdom with 165 company records, followed by Birmingham (31) and Manchester (23).

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 388 professional contacts with verified work emails tracked across these 165 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 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.