Company lists · Data verified August 2026

Top 25 Bank security services based in the United Kingdom

Name: Bank security 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 73 companies tracked

There are 73 bank security services headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 661 professional contacts across them, including 124 with verified work emails and 26 with mobile numbers. London is the largest hub.

This list covers bank security 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.

73Companies

661Contacts tracked

124Verified emails

26Mobile numbers

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The 25 largest bank security services based in the United Kingdom

Ranked by team size

Top 25 of 73 bank security 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	K4 Security - K4 Group	Manchester	201-500	90	8
2	Ak9 Security And FM Solutions LTD	London	501-1,000	43	9
3	Doyle Security LTD	Barnsley	51-200	37	11
4	Lincoln Security	Lincoln	11-50	32	14
5	Prosec UK	Doncaster	51-200	32	4
6	Veritech Security	Southampton	51-200	25	13
7	Aberdeen Alarm Company LTD	Aberdeen	51-200	22	15
8	Classic Services Group LTD	Crawley	51-200	21	5
9	Axis Fire & Security Services LTD	Southampton	11-50	16	3
10	Line Security Services LTD	London	51-200	16	2
11	Loktec Security Group	Guiseley	11-50	14	6
12	Fisher Security LTD	Goole	11-50	14	5
13	BM Security Limited	Downside Downside	1-10	13	1
14	Direct Security	Eynsford	11-50	10	1
15	Sec2 Security Limited	Bury St Edmunds	11-50	8	5
16	Pacific Business Solutions LTD	London	11-50	8	1
17	Fusion Security Integration LTD	Salfords	11-50	6	5
18	Sonata Security	Sweet Briar Industrial Estate	11-50	6	4
19	Locked And Secure LTD	Swineshead	1-10	4	2
20	Clasper Property Services LTD	Epping	11-50	3	2
21	Acetech Security LTD	St Osyth	11-50	3	1
22	Appleyard Security LTD	Middlesbrough	1-10	3	1
23	Kronos Threat Management	Sutton Valence	1-10	2	2
24	Secure Deposits LTD	Leicester	1-10	2	1
25	Foreversafe	London	1-10	2	1

Showing 25 of 73 bank security services based in the United Kingdom

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Bank security services based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 14 HQs

26Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Bank security services by metro

Metro	Companies
Bank security services in London	14
Bank security services in Birmingham	5
Bank security services in Manchester	3
Bank security services in Goole	2
Bank security services in Epping	2
Bank security services in Southampton	2
Bank security services in Poole	2

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 “bank security 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; 0 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 bank security services are there based in the United Kingdom?

There are 73 bank security services headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

K4 Security - K4 Group, headquartered in Manchester, tops this list with the largest team on record.

Which city has the most bank security services?

London leads with 14 headquartered companies, followed by Birmingham (5) and Manchester (3).

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 124 verified decision-maker contacts tracked across these 73 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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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.