Company lists · Data refreshed November 2026
Top 25 Security businesses based in the United Kingdom
RevenueBase identified 6,051 company matches for security businesses associated with the United Kingdom as of November 2026 and tracks 85,547 professional contacts across them, including 18,404 with verified work emails. London is the largest hub.
This list covers company matches for security businesses associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 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.
The 25 largest security businesses based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,705 contacts → | ||||
Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 2,067 contacts → | ||||
Exact match “Wilson James provides safe, secure, customer-led solutions to more than 300 clients across the UK and Europe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,667 contacts → | ||||
Exact match “We are an intelligence-led security business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,559 contacts → | ||||
Exact match “TSS is the UK’s largest retail specialist security company, employing over 7500+ security personnel.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,303 contacts → | ||||
Exact match “With over 45 years of experience, Showsec is a leading name in the UK’s live event security sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,029 contacts → | ||||
Exact match “CIS Security is an independent security company equipped to help customers to solve the complex challenges in today’s digital, connected and regulated business world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 981 contacts → | ||||
Exact match “Corps Security - experts in security with social value Built on over 165 years of experience, Corps provides specialist security services, across the UK, to ensure the safety of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 968 contacts → | ||||
Exact match “Professional Security is one of the UK’s leading providers of security services, specialising in the hospitality and events sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 820 contacts → | ||||
Exact match “Ranked in the top 1% of UK security companies, as approved by the Security Industry Authority, SecuriGroup is an award-winning security company, specialising in the provision of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 541 contacts → | ||||
Exact match “Established in 2003, FGH are trusted by international brands to keep their assets and millions of people safe every year.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 458 contacts → | ||||
Exact match “Ward is an award winning, privately owned business, providing bespoke risk and security solutions including protective security personnel, explosive search dogs, narcotic search…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 449 contacts → | ||||
Exact match “Unlike traditional security providers, we're redefining what protection means in today's world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 426 contacts → | ||||
Exact match “At Global Security Ltd, we are proud to be one of the UK’s trusted suppliers of CCTV, intruder alarms, access control, and fire safety systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 413 contacts → | ||||
Exact match “SSGC is a leading innovator in the Manned Guarding industry, specialising in the application of new technology to improve the performance of its Management team, deployed staff…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 372 contacts → | ||||
Exact match “We deliver complex fire protection and security solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 363 contacts → | ||||
Exact match “Security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 359 contacts → | ||||
Exact match “Established in 1992, Churches Fire & Security is a nationwide company dedicated to supplying customers with the best fire safety and security services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 352 contacts → | ||||
Exact match “Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 349 contacts → | ||||
Exact match “STM Group (UK) Limited is an award-winning company, providing bespoke manpower service solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 337 contacts → | ||||
Exact match “Established in 1993, with commitment to our customers and staff alongside a strong ethos and standards driven approach, Regency Security is now the largest provider of door…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 335 contacts → | ||||
Exact match “We are a leading provider of site security, vacant property, and people protection services across the UK and Europe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 334 contacts → | ||||
Exact match “Argenbright Security Europe Ltd (ASEL) are a technology led risk management organisation with foundations in data, technology and innovation formed by incorporating two major…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 307 contacts → | ||||
Exact match “Mitie Fire & Security is part of Mitie, the UK’s leading facilities management and professional services company, delivering integrated fire and security solutions that protect…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 284 contacts → | ||||
Exact match “SES Group was founded in 1998 by Dr Tony Ball and rebranded as SES Group in 2014.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 276 contacts → | ||||
Exact match “Our roots in security date back to 1994.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “security businesses”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 6,051 security businesses based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 18,404 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security businesses based in the United Kingdom at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 6,051 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- 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
- Company records associated with the United Kingdom whose business descriptions match “security businesses” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 18,404 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Security businesses by metro
- Security businesses in London1035
- Security businesses in Manchester159
- Security businesses in Birmingham125
- Security businesses in Glasgow84
- Security businesses in Leeds78
- Security businesses in Bristol66
- Security businesses in Liverpool61
- Security businesses in Leicester46
- Security businesses in Belfast42
- Security businesses in Nottingham41
- Security businesses in Cardiff40
- Security businesses in Sheffield37
- Security businesses in Southampton36
- Security businesses in Northampton32
- Security businesses in Peterborough27
- Security businesses in Bolton26
- Security businesses in Coventry26
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “security businesses”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security businesses are there based in the United Kingdom?
RevenueBase identified 6,051 company matches for security businesses associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Chubb Fire & Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most security businesses?
London leads with 1035 company records, followed by Manchester (159) and Birmingham (125).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 18,404 professional contacts with verified work emails tracked across these 6,051 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 6,051 security businesses based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Security businesses by geography
- Security businesses based in the United States
- Security businesses based in Brazil
- Security businesses based in France
- Security businesses based in Canada
- Security businesses based in Germany
- Security businesses based in Italy
- Security businesses based in Australia
- Security businesses based in the Netherlands
- Security businesses based in Mexico
- Security businesses based in South Africa
- Security businesses based in Spain
- Security businesses based in Argentina
Browse the directory
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.
More company lists
Company intelligence · public preview
Top 25 security businesses based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 6,051 matching company records for security businesses based in the United Kingdom, with 85,547 tracked contacts and 18,404 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 security businesses based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Chubb Fire & Securitychubbfs.comHQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,705 contacts → |
“Making the world a safer place.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Wilson Jameswilsonjames.co.ukHQ: Westcliff-on-sea, United KingdomReported employees: 5,001-10,000 | Westcliff-on-sea, United Kingdom | 5,001-10,000 | Exact match | 2,067 contacts → |
“Wilson James provides safe, secure, customer-led solutions to more than 300 clients across the UK and Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Mitie Securitymitie.comHQ: Northampton, United KingdomReported employees: 10001+ | Northampton, United Kingdom | 10001+ | Exact match | 1,667 contacts → |
“We are an intelligence-led security business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  TSS Total Security Services LTDtotalsecurity.co.ukHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 1,559 contacts → |
“TSS is the UK’s largest retail specialist security company, employing over 7500+ security personnel.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Showsecshowsec.co.ukHQ: Leicester, United KingdomReported employees: 1,001-5,000 | Leicester, United Kingdom | 1,001-5,000 | Exact match | 1,303 contacts → |
“With over 45 years of experience, Showsec is a leading name in the UK’s live event security sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  CIS Security Limitedcis-security.co.ukHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,029 contacts → |
“CIS Security is an independent security company equipped to help customers to solve the complex challenges in today’s digital, connected and regulated business world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Corps Securitycorpssecurity.co.ukHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 981 contacts → |
“Corps Security - experts in security with social value Built on over 165 years of experience, Corps provides specialist security services, across the UK, to ensure the safety of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Professional Securityprofessionalsecurityuk.comHQ: Leeds, United KingdomReported employees: 1,001-5,000 | Leeds, United Kingdom | 1,001-5,000 | Exact match | 968 contacts → |
“Professional Security is one of the UK’s leading providers of security services, specialising in the hospitality and events sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Securigroupsecurigroup.co.ukHQ: United KingdomReported employees: 1,001-5,000 | United Kingdom | 1,001-5,000 | Exact match | 820 contacts → |
“Ranked in the top 1% of UK security companies, as approved by the Security Industry Authority, SecuriGroup is an award-winning security company, specialising in the provision of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | FGH Securityfghsecurity.co.uk HQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 541 contacts → |
“Established in 2003, FGH are trusted by international brands to keep their assets and millions of people safe every year.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ward Securityward-security.co.ukHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 458 contacts → |
“Ward is an award winning, privately owned business, providing bespoke risk and security solutions including protective security personnel, explosive search dogs, narcotic search…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Lodge Securitylodge-security.comHQ: Cirencester, United KingdomReported employees: 1,001-5,000 | Cirencester, United Kingdom | 1,001-5,000 | Exact match | 449 contacts → |
“Unlike traditional security providers, we're redefining what protection means in today's world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Global Securitycctv-alarms.co.ukHQ: Blackburn, United KingdomReported employees: Not recorded | Blackburn, United Kingdom | Not recorded | Exact match | 426 contacts → |
“At Global Security Ltd, we are proud to be one of the UK’s trusted suppliers of CCTV, intruder alarms, access control, and fire safety systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ssgc LTDssgc-net.comHQ: Swindon, United KingdomReported employees: 501-1,000 | Swindon, United Kingdom | 501-1,000 | Exact match | 413 contacts → |
“SSGC is a leading innovator in the Manned Guarding industry, specialising in the application of new technology to improve the performance of its Management team, deployed staff…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Hall & KAYhkfire.co.ukHQ: Ascot / Birmingham / Manchester / Glasgow, United KingdomReported employees: 201-500 | Ascot / Birmingham / Manchester / Glasgow, United Kingdom | 201-500 | Exact match | 372 contacts → |
“We deliver complex fire protection and security solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Amulet Securityamulet.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 363 contacts → |
“Security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Churches Fire & Securitychurchesfire.comHQ: Chandlers Ford, United KingdomReported employees: 201-500 | Chandlers Ford, United Kingdom | 201-500 | Exact match | 359 contacts → |
“Established in 1992, Churches Fire & Security is a nationwide company dedicated to supplying customers with the best fire safety and security services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Kings Secure Technologieskingsltd.co.ukHQ: Bradford, United KingdomReported employees: 501-1,000 | Bradford, United Kingdom | 501-1,000 | Exact match | 352 contacts → |
“Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  STM Group UK LTDstmgroupltd.comHQ: Stratford, United KingdomReported employees: 1,001-5,000 | Stratford, United Kingdom | 1,001-5,000 | Exact match | 349 contacts → |
“STM Group (UK) Limited is an award-winning company, providing bespoke manpower service solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Regency Securityregencysecurity.co.ukHQ: Braintree, United KingdomReported employees: 1,001-5,000 | Braintree, United Kingdom | 1,001-5,000 | Exact match | 337 contacts → |
“Established in 1993, with commitment to our customers and staff alongside a strong ethos and standards driven approach, Regency Security is now the largest provider of door…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Orbis Protectorbisprotect.comHQ: Uxbridge, United KingdomReported employees: 1,001-5,000 | Uxbridge, United Kingdom | 1,001-5,000 | Exact match | 335 contacts → |
“We are a leading provider of site security, vacant property, and people protection services across the UK and Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Amberstone Securityasel.co.ukHQ: Saffron Walden, United KingdomReported employees: 1,001-5,000 | Saffron Walden, United Kingdom | 1,001-5,000 | Exact match | 334 contacts → |
“Argenbright Security Europe Ltd (ASEL) are a technology led risk management organisation with foundations in data, technology and innovation formed by incorporating two major…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Marlowe Fire & Securitymitiefireandsecurity.comHQ: Manchester, United KingdomReported employees: 501-1,000 | Manchester, United Kingdom | 501-1,000 | Exact match | 307 contacts → |
“Mitie Fire & Security is part of Mitie, the UK’s leading facilities management and professional services company, delivering integrated fire and security solutions that protect…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  SES Groupthesesgroup.co.ukHQ: Harlow, United KingdomReported employees: 1,001-5,000 | Harlow, United Kingdom | 1,001-5,000 | Exact match | 284 contacts → |
“SES Group was founded in 1998 by Dr Tony Ball and rebranded as SES Group in 2014.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Universal Securityuniversal-security.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 276 contacts → |
“Our roots in security date back to 1994.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,051 company matches
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Security businesses: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
5,831 records in the displayed employee bands.
220 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 6,051 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Security businesses by metro
- Security businesses in London1035
- Security businesses in Manchester159
- Security businesses in Birmingham125
- Security businesses in Glasgow84
- Security businesses in Leeds78
- Security businesses in Bristol66
- Security businesses in Liverpool61
- Security businesses in Leicester46
- Security businesses in Belfast42
- Security businesses in Nottingham41
- Security businesses in Cardiff40
- Security businesses in Sheffield37
- Security businesses in Southampton36
- Security businesses in Northampton32
- Security businesses in Peterborough27
- Security businesses in Bolton26
- Security businesses in Coventry26
Questions about this company list
What does Exact match mean for security businesses?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many security businesses did RevenueBase find based in the United Kingdom?
The saved snapshot records 6,051 matching company records, 85,547 tracked contacts and 18,404 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Security businesses by geography
- Security businesses based in the United States
- Security businesses based in Brazil
- Security businesses based in France
- Security businesses based in Canada
- Security businesses based in Germany
- Security businesses based in Italy
- Security businesses based in Australia
- Security businesses based in the Netherlands
- Security businesses based in Mexico
- Security businesses based in South Africa
- Security businesses based in Spain
- Security businesses based in Argentina
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 security businesses based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/security-businesses/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 security businesses based in the United Kingdom
RevenueBase records 6,051 matching company records for security businesses based in the United Kingdom, with 85,547 tracked contacts and 18,404 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 security businesses based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Chubb Fire & Securitychubbfs.com HQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,705 contacts → |
“Making the world a safer place.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Wilson Jameswilsonjames.co.uk HQ: Westcliff-on-sea, United KingdomReported employees: 5,001-10,000 | Westcliff-on-sea, United Kingdom | 5,001-10,000 | Exact match | 2,067 contacts → |
“Wilson James provides safe, secure, customer-led solutions to more than 300 clients across the UK and Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Mitie Securitymitie.com HQ: Northampton, United KingdomReported employees: 10001+ | Northampton, United Kingdom | 10001+ | Exact match | 1,667 contacts → |
“We are an intelligence-led security business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | TSS Total Security Services LTDtotalsecurity.co.uk HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 1,559 contacts → |
“TSS is the UK’s largest retail specialist security company, employing over 7500+ security personnel.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Showsecshowsec.co.uk HQ: Leicester, United KingdomReported employees: 1,001-5,000 | Leicester, United Kingdom | 1,001-5,000 | Exact match | 1,303 contacts → |
“With over 45 years of experience, Showsec is a leading name in the UK’s live event security sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | CIS Security Limitedcis-security.co.uk HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,029 contacts → |
“CIS Security is an independent security company equipped to help customers to solve the complex challenges in today’s digital, connected and regulated business world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Corps Securitycorpssecurity.co.uk HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 981 contacts → |
“Corps Security - experts in security with social value Built on over 165 years of experience, Corps provides specialist security services, across the UK, to ensure the safety of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Professional Securityprofessionalsecurityuk.com HQ: Leeds, United KingdomReported employees: 1,001-5,000 | Leeds, United Kingdom | 1,001-5,000 | Exact match | 968 contacts → |
“Professional Security is one of the UK’s leading providers of security services, specialising in the hospitality and events sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Securigroupsecurigroup.co.uk HQ: United KingdomReported employees: 1,001-5,000 | United Kingdom | 1,001-5,000 | Exact match | 820 contacts → |
“Ranked in the top 1% of UK security companies, as approved by the Security Industry Authority, SecuriGroup is an award-winning security company, specialising in the provision of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | FGH Securityfghsecurity.co.uk HQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 541 contacts → |
“Established in 2003, FGH are trusted by international brands to keep their assets and millions of people safe every year.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ward Securityward-security.co.uk HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 458 contacts → |
“Ward is an award winning, privately owned business, providing bespoke risk and security solutions including protective security personnel, explosive search dogs, narcotic search…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Lodge Securitylodge-security.com HQ: Cirencester, United KingdomReported employees: 1,001-5,000 | Cirencester, United Kingdom | 1,001-5,000 | Exact match | 449 contacts → |
“Unlike traditional security providers, we're redefining what protection means in today's world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Global Securitycctv-alarms.co.uk HQ: Blackburn, United KingdomReported employees: Not recorded | Blackburn, United Kingdom | Not recorded | Exact match | 426 contacts → |
“At Global Security Ltd, we are proud to be one of the UK’s trusted suppliers of CCTV, intruder alarms, access control, and fire safety systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ssgc LTDssgc-net.com HQ: Swindon, United KingdomReported employees: 501-1,000 | Swindon, United Kingdom | 501-1,000 | Exact match | 413 contacts → |
“SSGC is a leading innovator in the Manned Guarding industry, specialising in the application of new technology to improve the performance of its Management team, deployed staff…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hall & KAYhkfire.co.uk HQ: Ascot / Birmingham / Manchester / Glasgow, United KingdomReported employees: 201-500 | Ascot / Birmingham / Manchester / Glasgow, United Kingdom | 201-500 | Exact match | 372 contacts → |
“We deliver complex fire protection and security solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Amulet Securityamulet.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 363 contacts → |
“Security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Churches Fire & Securitychurchesfire.com HQ: Chandlers Ford, United KingdomReported employees: 201-500 | Chandlers Ford, United Kingdom | 201-500 | Exact match | 359 contacts → |
“Established in 1992, Churches Fire & Security is a nationwide company dedicated to supplying customers with the best fire safety and security services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Kings Secure Technologieskingsltd.co.uk HQ: Bradford, United KingdomReported employees: 501-1,000 | Bradford, United Kingdom | 501-1,000 | Exact match | 352 contacts → |
“Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | STM Group UK LTDstmgroupltd.com HQ: Stratford, United KingdomReported employees: 1,001-5,000 | Stratford, United Kingdom | 1,001-5,000 | Exact match | 349 contacts → |
“STM Group (UK) Limited is an award-winning company, providing bespoke manpower service solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Regency Securityregencysecurity.co.uk HQ: Braintree, United KingdomReported employees: 1,001-5,000 | Braintree, United Kingdom | 1,001-5,000 | Exact match | 337 contacts → |
“Established in 1993, with commitment to our customers and staff alongside a strong ethos and standards driven approach, Regency Security is now the largest provider of door…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Orbis Protectorbisprotect.com HQ: Uxbridge, United KingdomReported employees: 1,001-5,000 | Uxbridge, United Kingdom | 1,001-5,000 | Exact match | 335 contacts → |
“We are a leading provider of site security, vacant property, and people protection services across the UK and Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Amberstone Securityasel.co.uk HQ: Saffron Walden, United KingdomReported employees: 1,001-5,000 | Saffron Walden, United Kingdom | 1,001-5,000 | Exact match | 334 contacts → |
“Argenbright Security Europe Ltd (ASEL) are a technology led risk management organisation with foundations in data, technology and innovation formed by incorporating two major…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Marlowe Fire & Securitymitiefireandsecurity.com HQ: Manchester, United KingdomReported employees: 501-1,000 | Manchester, United Kingdom | 501-1,000 | Exact match | 307 contacts → |
“Mitie Fire & Security is part of Mitie, the UK’s leading facilities management and professional services company, delivering integrated fire and security solutions that protect…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SES Groupthesesgroup.co.uk HQ: Harlow, United KingdomReported employees: 1,001-5,000 | Harlow, United Kingdom | 1,001-5,000 | Exact match | 284 contacts → |
“SES Group was founded in 1998 by Dr Tony Ball and rebranded as SES Group in 2014.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Universal Securityuniversal-security.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 276 contacts → |
“Our roots in security date back to 1994.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,051 company matches
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Security businesses: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
5,831 records in the displayed employee bands.
220 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 6,051 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Security businesses by metro
- Security businesses in London1035
- Security businesses in Manchester159
- Security businesses in Birmingham125
- Security businesses in Glasgow84
- Security businesses in Leeds78
- Security businesses in Bristol66
- Security businesses in Liverpool61
- Security businesses in Leicester46
- Security businesses in Belfast42
- Security businesses in Nottingham41
- Security businesses in Cardiff40
- Security businesses in Sheffield37
- Security businesses in Southampton36
- Security businesses in Northampton32
- Security businesses in Peterborough27
- Security businesses in Bolton26
- Security businesses in Coventry26
Questions about this company list
What does Exact match mean for security businesses?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many security businesses did RevenueBase find based in the United Kingdom?
The saved snapshot records 6,051 matching company records, 85,547 tracked contacts and 18,404 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Security businesses by geography
- Security businesses based in the United States
- Security businesses based in Brazil
- Security businesses based in France
- Security businesses based in Canada
- Security businesses based in Germany
- Security businesses based in Italy
- Security businesses based in Australia
- Security businesses based in the Netherlands
- Security businesses based in Mexico
- Security businesses based in South Africa
- Security businesses based in Spain
- Security businesses based in Argentina
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 security businesses based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/security-businesses/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗