Company lists · Data verified August 2026

Top 25 Construction site security companies based in the United Kingdom

Name: Construction site security 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 525 companies tracked

There are 525 construction site security companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 4,697 professional contacts across them, including 802 with verified work emails and 207 with mobile numbers. London is the largest hub.

This list covers construction site security 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.

525Companies

4,697Contacts tracked

802Verified emails

207Mobile numbers

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The 25 largest construction site security companies based in the United Kingdom

Ranked by team size

Top 25 of 525 construction site security 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	VPS Uk&i	London	1,001-5,000	271	156
2	Trigion Security Services LTD	Sidcup	201-500	166	3
3	DGP PLC	Southfleet	201-500	133	40
4	Kingdom Security Services	Newton-Le-Willows	5,001-10,000	124	18
5	K4 Security - K4 Group	Manchester	201-500	90	8
6	Croma Security Solutions Group PLC Cssg	Basingstoke Hamsphire	501-1,000	87	11
7	Northern Security LTD	Middlesbrough	201-500	70	13
8	Britsafe Limited	York	501-1,000	66	12
9	City Security Services Part Of City Group Security	London	201-500	64	1
10	Sentinel Group Security	Manchester	201-500	58	14
11	The Protector Group	Gateshead	201-500	53	11
12	Secur-It Integrated Services LTD	South Normanton	201-500	52	4
13	UK Protection LTD	Clyst St Mary	201-500	44	14
14	Phoenix FMS	Newcastle Upon Tyne	201-500	44	2
15	Ak9 Security And FM Solutions LTD	London	501-1,000	43	9
16	Akon Security Services LTD	Canterbury	201-500	41	5
17	Doyle Security LTD	Barnsley	51-200	37	11
18	Prosec UK	Doncaster	51-200	32	4
19	Marpol Security	Manchester	51-200	30	15
20	Accolade	London	201-500	30	5
21	W4g Fire & Security	London	51-200	28	11
22	Cobra Security NI	Lisburn	51-200	26	5
23	Close Protection Security NE	Darlington	51-200	24	5
24	Cougar Monitoring LTD	Cradley Heath	51-200	23	17
25	Classic Services Group LTD	Crawley	51-200	21	5

Showing 25 of 525 construction site security companies based in the United Kingdom

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Construction site security companies based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 117 HQs

207Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

162

11-50

183

51-200

117

201-500

501-1,000

1,001-5,000

5,001-10,000

Construction site security companies by metro

Metro	Companies
Construction site security companies in London	117
Construction site security companies in Manchester	27
Construction site security companies in Birmingham	19
Construction site security companies in Leeds	7
Construction site security companies in Sheffield	6
Construction site security companies in Liverpool	5
Construction site security companies in Crawley	5

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 “construction site security 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; 4 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 construction site security companies are there based in the United Kingdom?

There are 525 construction site security companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

VPS Uk&i, headquartered in London, tops this list with the largest team on record.

Which city has the most construction site security companies?

London leads with 117 headquartered companies, followed by Manchester (27) and Birmingham (19).

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 802 verified decision-maker contacts tracked across these 525 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.