Company lists · Data verified August 2026

Top 25 Armed security guard services based in the United Kingdom

Name: Armed security guard services 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 1,900 companies tracked

There are 1,900 armed security guard services headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 30,635 professional contacts across them, including 2,690 with verified work emails and 1,256 with mobile numbers. London is the largest hub.

This list covers armed security guard services 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.

1,900Companies

30,635Contacts tracked

2,690Verified emails

1,256Mobile numbers

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

Ranked by team size

Top 25 of 1,900 armed security guard services 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	Corps Security	Cardiff	1,001-5,000	842	81
5	Securigroup	n/a	1,001-5,000	761	131
6	FGH Security	Manchester	1,001-5,000	650	49
7	Ward Security	Bracknell	1,001-5,000	416	58
8	Ssgc LTD	Swindon	501-1,000	390	10
9	Regency Security	Braintree	1,001-5,000	325	12
10	SES Group	Manchester	1,001-5,000	280	38
11	MAN Commercial Protection Limited	Shirley	1,001-5,000	223	26
12	Wise Security Services LTD	London	501-1,000	204	7
13	Bridgegate Security UK Limited	Leeds Leeds	1,001-5,000	179	1
14	Guarding UK	London	501-1,000	164	29
15	SGC Security Services	Sible Hedingham	501-1,000	136	9
16	Vigilant Security	London	1,001-5,000	133	23
17	Guardforce Security Limited	Hornchurch	501-1,000	111	7
18	Consortio Security	Castle Donington	501-1,000	107	19
19	Croma Security Solutions Group PLC Cssg	Basingstoke Hamsphire	501-1,000	87	11
20	T3 Security	Seaton Burn	501-1,000	81	6
21	Britsafe Limited	York	501-1,000	66	12
22	Servo Group	Leeds	1,001-5,000	62	24
23	Ak9 Security And FM Solutions LTD	London	501-1,000	43	9
24	Compact Security Services	England	501-1,000	39	12
25	K2 Security LTD	Dudley	501-1,000	39	2

Showing 25 of 1,900 armed security guard services based in the United Kingdom

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

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 452 HQs

1,256Contacts with mobile numbers

12Emails re-verified in last 30 days

Companies by employee count

1-10

565

11-50

579

51-200

487

201-500

138

501-1,000

1,001-5,000

10001+

Armed security guard services by metro

Metro	Companies
Armed security guard services in London	452
Armed security guard services in Manchester	62
Armed security guard services in Birmingham	59
Armed security guard services in Leeds	39
Armed security guard services in Bristol	22
Armed security guard services in Liverpool	20
Armed security guard services in Glasgow	20

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 services”, 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 services are there based in the United Kingdom?

There are 1,900 armed security guard services 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 services?

London leads with 452 headquartered companies, followed by Manchester (62) and Birmingham (59).

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 2,690 verified decision-maker contacts tracked across these 1,900 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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Related lists

Armed security guard services 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.