Company lists · Data refreshed September 2026

Top 22 Residential security companies based in London, United Kingdom

Name: Residential 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 5, 2026 170 companies tracked

RevenueBase identified 170 residential security companies headquartered in London, United Kingdom as of September 2026 and tracks 810 professional contacts across them, including 64 with verified work emails. London is the largest hub.

This list covers residential 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

170Companies

810Contacts tracked

64Verified emails

Explore all 170 companies → Free signup · no credit card · 500 free credits

The 22 largest residential security companies based in London, United Kingdom

Ranked by team size

Top 22 of 170 residential security companies based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names residential security companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	City Security Services Part Of City Group SecurityPartial evidence	London, United KingdomHQ checked Sep 5, 2026	201-500	64
	“City Security Services (CSS) have more than 25 years’ experience within the corporate security, public sector, education and social housing markets delivering manned guarding…” Source: company website · checked Sep 5, 2026
2	UK Protection LTDPartial evidence	London, United KingdomHQ checked Sep 5, 2026	201-500	45
	“UK Protection is widely recognised as the premier supplier of security solutions to the Corporate, Jewellery and Luxury Retail industries across the UK.” Source: company website · checked Sep 5, 2026
3	Ak9 Security And FM Solutions LTDStrong evidence	London, United KingdomHQ checked Sep 5, 2026	501-1,000	43
	“AK9 Security and FM Solutions offers comprehensive security solutions for businesses, governmental organizations, and residential areas.” Source: company website · checked Sep 5, 2026
4	Line Security Services LTDPartial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	17
	“As a security services provider, protecting people and assets is our top priority.” Source: company website · checked Sep 5, 2026
5	SSG Support Services Group LTDPartial evidence	London, United KingdomHQ checked Sep 5, 2026	201-500	16
	“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…” Source: company website · checked Sep 5, 2026
6	Amity Group INC Amity SecurityIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	14
	“The definition of Amity is peaceful and friendly, as such we aim to live up to our name.” Source: company website · checked Sep 5, 2026
7	Intraguard LimitedPartial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	12
	“Our partnership approach to understanding your security needs and developing a bespoke service enables us to cater to all kinds of security requirements.” Source: company website · checked Sep 5, 2026
8	LDN Security Solutions LimitedStrong evidence	London, United KingdomHQ checked Sep 5, 2026	1-10	10
	“London-based security company specialising in the design, installation, service and maintenance of single domestic, multi-occupancy residential and commercial security systems.” Source: company website · checked Sep 5, 2026
9	Delta Security 1962 LTDIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	8
	“Our goal is so simple we can sum it up in one word - quality.” Source: company website · checked Sep 5, 2026
10	Pacific Business Solutions LTDPartial evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	8
	“We take your security seriously and ensure that you and your property are safe and in secure hands.” Source: company website · checked Sep 5, 2026
11	Security Installation Services LTDPartial evidence	London, United KingdomHQ checked Sep 5, 2026	1-10	7
	“Security Installation Services Ltd provide a fast and efficient security service across Greater London and North Kent that includes the installation and maintenance of a wide…” Source: company website · checked Sep 5, 2026
12	Poseidon Security Special ServicesPartial evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	5
	“With over 10 years in the security industry, we have built a reputation for reliability, professionalism, and unparalleled customer service.” Source: company website · checked Sep 5, 2026
13	Ge4orce Fire & Security SolutionsPartial evidence	London, United KingdomHQ checked Sep 5, 2026	1-10	4
	“We provide CCTV, alarm systems, access control and fire safety solutions for residential and commercial properties across London.” Source: company website · checked Sep 5, 2026
14	I & S Services LTDIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	4
	“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: company website · checked Sep 5, 2026
15	Balthorne Security Solutions LTDPartial evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	4
	“At Balthorne Security Solutions, we understand the risks people face and the importance of reliable security.” Source: company website · checked Sep 5, 2026
16	TutumhomePartial evidence	London, United KingdomHQ checked Sep 5, 2026	1-10	3
	“Tutum Home is Europe's first smart home security and home automation service provider with no long term contracts.” Source: company website · checked Sep 5, 2026
17	Spire Security LimitedPartial evidence	London, United KingdomHQ checked Sep 5, 2026	1-10	3
	“Spire specialises in Fire and Security systems across London, Midlands & the Home Counties with 3 years guarantee as standard on all service and parts.” Source: company website · checked Sep 5, 2026
18	Hunter Group SecurityStrong evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	2
	“Hunter Group Security is dedicated to providing you the best in both commercial and residential security patrols.” Source: company website · checked Sep 5, 2026
19	WepatrolStrong evidence	London, United KingdomHQ checked Sep 5, 2026	1-10	2
	“We are a London-based Private Security Company providing security services to both residential and commercial business clients.” Source: company website · checked Sep 5, 2026
20	Mitmark Security LTDIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	1
	“The name MITMARK is an abbreviation of Military to Market.” Source: company website · checked Sep 5, 2026
21	P.E.L Security Services LimitedPartial evidence	London, United KingdomHQ checked Sep 5, 2026	1-10	1
	“P.E.L Security Services offer Close Protection and VIP Security Solutions.” Source: company website · checked Sep 5, 2026
22	Lymeberry LTDIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	1-10	1
	“Do you have a Flat, Apartment, House or even an Out-house / Garage?” Source: company website · checked Sep 5, 2026

Showing 22 of 170 residential security companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 64 reachable decision-makers.

Free signup · no credit card

See all 170 companies

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

As of Sep 5, 2026

11-50Median size (employees)

LondonLargest hub · 170 HQs

Contacts with mobile numbers

Sep 5, 2026Data 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 this city, so it is reported there. Company counts and contact totals on this page are exact for London, over 170 companies.

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 residential security companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “residential security companies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among residential 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 an evidence 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, 64 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 5, 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.

Residential security companies by metro in the United Kingdom

Residential security companies in London170
Residential security companies in Manchester29
Residential security companies in Birmingham25

Frequently asked

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

RevenueBase identified 170 residential 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?

City Security Services Part Of City Group Security, headquartered in London, tops this list with the largest team on record.

Which city has the most residential security companies?

London leads with 170 headquartered companies, followed by Manchester (29) and Birmingham (25).

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 64 verified decision-maker contacts tracked across these 170 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 170 residential security companies based in London, United Kingdom. Start with a free account, no credit card.

Get the full list

Related lists

Residential security companies by geography

Browse the directory

Browse: Companies home · Residential security companies in United Kingdom · All United Kingdom lists · All Residential security companies lists · New lists

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.