Company lists · Data verified August 2026

Top 25 Armed security guard companies based in the United Kingdom

Name: Armed security guard companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,681 companies tracked

There are 1,681 armed security guard companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 26,685 professional contacts across them, including 2,061 with verified work emails and 1,146 with mobile numbers. London is the largest hub.

This list covers armed security guard companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,681Companies

26,685Contacts tracked

2,061Verified emails

1,146Mobile numbers

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The 25 largest armed security guard companies based in the United Kingdom

Ranked by team size

Top 25 of 1,681 armed security guard companies based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Showsec	Aberdeen	1,001-5,000	1,270	94
2	CIS Security Limited	London	1,001-5,000	913	201
3	Professional Security	Leeds	1,001-5,000	884	82
4	Securigroup	n/a	1,001-5,000	761	131
5	FGH Security	Manchester	1,001-5,000	650	49
6	Ward Security	Bracknell	1,001-5,000	416	58
7	Regency Security	Braintree	1,001-5,000	325	12
8	SES Group	Manchester	1,001-5,000	280	38
9	MAN Commercial Protection Limited	Shirley	1,001-5,000	223	26
10	Wise Security Services LTD	London	501-1,000	204	7
11	Bridgegate Security UK Limited	Leeds Leeds	1,001-5,000	179	1
12	Trigion Security Services LTD	Sidcup	201-500	166	3
13	Vigilant Security	London	1,001-5,000	133	23
14	Vespasian Security	Portsmouth	201-500	125	10
15	Snsg LTD	Birmingham	201-500	119	5
16	Security Scotland LTD	Glasgow	201-500	115	10
17	Guardforce Security Limited	Hornchurch	501-1,000	111	7
18	Achilleus Security & Stewarding	Waltham Abbey	201-500	99	6
19	Rossi Security	London	201-500	99	5
20	Octavian Security	Bingham	201-500	91	14
21	K4 Security - K4 Group	Manchester	201-500	90	8
22	Croma Security Solutions Group PLC Cssg	Basingstoke Hamsphire	501-1,000	87	11
23	T3 Security	Seaton Burn	501-1,000	81	6
24	KK Security & FM LTD	London	201-500	71	6
25	Britsafe Limited	York	501-1,000	66	12

Showing 25 of 1,681 armed security guard companies based in the United Kingdom

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Armed security guard companies based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 450 HQs

1,146Contacts with mobile numbers

12Emails re-verified in last 30 days

Companies by employee count

1-10

497

11-50

541

51-200

421

201-500

123

501-1,000

1,001-5,000

10001+

Armed security guard companies by metro

Metro	Companies
Armed security guard companies in London	450
Armed security guard companies in Manchester	53
Armed security guard companies in Birmingham	46
Armed security guard companies in Leeds	28
Armed security guard companies in Liverpool	18
Armed security guard companies in Glasgow	17
Armed security guard companies in Luton	16

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “armed security guard companies”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 12 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many armed security guard companies are there based in the United Kingdom?

There are 1,681 armed security guard companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Showsec, headquartered in Aberdeen, tops this list with the largest team on record.

Which city has the most armed security guard companies?

London leads with 450 headquartered companies, followed by Manchester (53) and Birmingham (46).

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 2,061 verified decision-maker contacts tracked across these 1,681 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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Armed security guard companies by geography

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.