Company lists · Data refreshed September 2026
Top 25 Security and access control companies based in the United Kingdom
RevenueBase identified 3,076 company matches for security and access control companies associated with the United Kingdom as of September 2026 and tracks 116,657 professional contacts across them, including 11,461 with verified work emails and 9,404 with mobile numbers. London is the largest hub.
This list covers company matches for security and access control companies 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 September 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 and access control companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 79,699 contacts → | ||||
Exact match “G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 2 | 6,169 contacts → | ||||
Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 3 | 393 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 · Sep 6, 2026 · View company records in RevenueBase | |||||
| 4 | 389 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 · Sep 6, 2026 · View company records in RevenueBase | |||||
| 5 | 386 contacts → | ||||
Exact match “Trinity’s mission statement is simple - to provide high quality design, installation, commissioning and long term after care of Fire Detection, Fire Suppression, Life Safety and…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 6 | 341 contacts → | ||||
Exact match “We deliver complex fire protection and security solutions.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 7 | 326 contacts → | ||||
Exact match “Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 8 | 255 contacts → | ||||
Exact match “With 40 years of experience, Paxton is a company passionate about technology.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 9 | 226 contacts → | ||||
Exact match “MAN Commercial is a leading security company and Training Academy based in Solihull, West Midlands.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 10 | 205 contacts → | ||||
Exact match “Part of the SCCI Group, SCCI Alphatrack designs, installs, and maintains connected building systems across social housing, commercial property, new builds, and public sector…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 11 | 200 contacts → | ||||
Exact match “Founded in 1996 we have grown into one of the UK and Ireland’s leading qualified and accredited security and fire systems integrators, working across Europe to bring together…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 12 | 200 contacts → | ||||
Exact match “OpenView Security Solutions is the UK’S largest privately owned independent security company and provides unique, innovative and technologically excellent solutions to meet…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 13 | 195 contacts → | ||||
Exact match “Surefire Business Protection No matter the sector you work in, or where you’re located in the UK, we can help you to make sure that fire and security problems are not things you…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 14 | 175 contacts → | ||||
Exact match “We are able to supply a one stop security service for all types of security requirement.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 15 | 170 contacts → | ||||
Exact match “Looking after the things people care about, wherever they are’.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 16 | 166 contacts → | ||||
Exact match “Trigion Security Services is the UK provider of Security Guarding and Technical Solutions for Facilicom UK.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 17 | 159 contacts → | ||||
Exact match “QCIC is an award-winning global engineering firm specialising in designing, building and running security systems.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 18 | 157 contacts → | ||||
Exact match “Norbain is a leading UK security distributor, covering video surveillance, access control & intruder detection solutions.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 19 | 157 contacts → | ||||
Exact match “A premier provider of security products and services across England, Gough & Kelly was formed in 1988 to influence and inspire the security and electrical marketplace by providing…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 20 | 155 contacts → | ||||
Exact match “For over 50 years, Evander has been trusted to make homes and businesses safe, secure, and ready for what’s next.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 21 | 153 contacts → | ||||
Exact match “Capricorn Security Group has been a Security Industry Authority (SIA) approved contractor for over 9 years and is ranked in the top 5% of Security Companies in the UK.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 22 | 145 contacts → | ||||
Exact match “Frontline Security Solutions is a global electronic security integrator specialising in Access Control, CCTV, Intruder and Intercom systems that protect people, property and…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 23 | 137 contacts → | ||||
Exact match “The Keyholding Company are a tech-enabled mobile security services company, specialising in alarm response, mobile patrols, locks and unlocks, emergency and temporary guarding…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 24 | 126 contacts → | ||||
Exact match “About Kingdom Security Established in March 1993, Kingdom Security is a leading UK security provider delivering professional, fully licensed security services nationwide.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 25 | 124 contacts → | ||||
Exact match “Having a 34 year old presence in the security & surveillance industry, Vantage has seen the industry being conceived and mature over time and have been at the forefront of every…” Recorded in the RevenueBase company graph · Sep 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 and access control companies”. 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 3,076 security and access control companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 11,461 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security and access control companies based in the United Kingdom at a glance
As of Sep 6, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 and access control companies” 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 11,461 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 September 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 and access control companies by metro
- Security and access control companies in London346
- Security and access control companies in Manchester73
- Security and access control companies in Birmingham49
- Security and access control companies in Glasgow36
- Security and access control companies in Leeds31
- Security and access control companies in Nottingham30
- Security and access control companies in Belfast28
- Security and access control companies in Leicester27
- Security and access control companies in Liverpool27
- Security and access control companies in Bristol26
- Security and access control companies in Sheffield25
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 and access control companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security and access control companies are there based in the United Kingdom?
RevenueBase identified 3,076 company matches for security and access control companies associated with the United Kingdom as of September 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?
G4s tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most security and access control companies?
London leads with 346 company records, followed by Manchester (73) and Birmingham (49).
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 11,461 professional contacts with verified work emails tracked across these 3,076 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 September 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,076 security and access control companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Security and access control companies by geography
- Security and access control companies based in the United States
- Security and access control companies based in Brazil
- Security and access control companies based in France
- Security and access control companies based in Australia
- Security and access control companies based in Germany
- Security and access control companies based in Canada
- Security and access control companies based in Italy
- Security and access control companies based in South Africa
- Security and access control companies based in Spain
- Security and access control companies based in the Netherlands
- Security and access control companies based in Mexico
- Security and access control companies based in Argentina
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Security and access control companies based in the United States
- Security and access control companies based in Brazil
- Security and access control companies based in France
- Security and access control companies based in Australia
- Security and access control companies based in Germany
- Security and access control companies based in Canada
Company intelligence · public preview
Top 25 security and access control companies 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 3,076 matching company records for security and access control companies based in the United Kingdom, with 116,657 tracked contacts and 11,461 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: September 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 and access control companies 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 |  G4sg4s.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 79,699 contacts → |
“G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Chubb Fire & Securitychubbfs.comHQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,169 contacts → |
“Making the world a safer place.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Global Securitycctv-alarms.co.ukHQ: Blackburn, United KingdomReported employees: Not recorded | Blackburn, United Kingdom | Not recorded | Exact match | 393 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 · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Marlowe Fire & Securitymitiefireandsecurity.comHQ: Manchester, United KingdomReported employees: 501-1,000 | Manchester, United Kingdom | 501-1,000 | Exact match | 389 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 · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Trinity Fire & Security Systemstrinityfireandsecurity.comHQ: Exeter, United KingdomReported employees: 501-1,000 | Exeter, United Kingdom | 501-1,000 | Exact match | 386 contacts → |
“Trinity’s mission statement is simple - to provide high quality design, installation, commissioning and long term after care of Fire Detection, Fire Suppression, Life Safety and…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hall & KAYhkfire.co.ukHQ: Ascot / Birmingham / Manchester / Glasgow, United KingdomReported employees: 201-500 | Ascot / Birmingham / Manchester / Glasgow, United Kingdom | 201-500 | Exact match | 341 contacts → |
“We deliver complex fire protection and security solutions.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Kings Secure Technologieskingsltd.co.ukHQ: Bradford, United KingdomReported employees: 501-1,000 | Bradford, United Kingdom | 501-1,000 | Exact match | 326 contacts → |
“Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Paxton Access LTDpaxton-access.comHQ: Brighton, United KingdomReported employees: 201-500 | Brighton, United Kingdom | 201-500 | Exact match | 255 contacts → |
“With 40 years of experience, Paxton is a company passionate about technology.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  MAN Commercial Protection Limitedmancommercialprotection.co.ukHQ: Shirley, United KingdomReported employees: 1,001-5,000 | Shirley, United Kingdom | 1,001-5,000 | Exact match | 226 contacts → |
“MAN Commercial is a leading security company and Training Academy based in Solihull, West Midlands.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Scci Alphatracksccialphatrack.co.ukHQ: Harlow, United KingdomReported employees: 201-500 | Harlow, United Kingdom | 201-500 | Exact match | 205 contacts → |
“Part of the SCCI Group, SCCI Alphatrack designs, installs, and maintains connected building systems across social housing, commercial property, new builds, and public sector…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Evolution Electronic Security Systems LTDevolutionsecurity.comHQ: Marlow, United KingdomReported employees: 201-500 | Marlow, United Kingdom | 201-500 | Exact match | 200 contacts → |
“Founded in 1996 we have grown into one of the UK and Ireland’s leading qualified and accredited security and fire systems integrators, working across Europe to bring together…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Openview Security Solutions Limitedopenviewgroup.comHQ: Romford, United KingdomReported employees: 201-500 | Romford, United Kingdom | 201-500 | Exact match | 200 contacts → |
“OpenView Security Solutions is the UK’S largest privately owned independent security company and provides unique, innovative and technologically excellent solutions to meet…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Abca Fire And Securityabcasystems.co.ukHQ: Newcastle Upon Tyne, United KingdomReported employees: 201-500 | Newcastle Upon Tyne, United Kingdom | 201-500 | Exact match | 195 contacts → |
“Surefire Business Protection No matter the sector you work in, or where you’re located in the UK, we can help you to make sure that fire and security problems are not things you…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Unitrust Protection Servicesunitrust.co.ukHQ: Middx, United KingdomReported employees: 201-500 | Middx, United Kingdom | 201-500 | Exact match | 175 contacts → |
“We are able to supply a one stop security service for all types of security requirement.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Texecom LTDtexe.comHQ: Haslingden, United KingdomReported employees: 201-500 | Haslingden, United Kingdom | 201-500 | Exact match | 170 contacts → |
“Looking after the things people care about, wherever they are’.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Trigion Security Services LTDtrigion.co.ukHQ: Sidcup, United KingdomReported employees: 201-500 | Sidcup, United Kingdom | 201-500 | Exact match | 166 contacts → |
“Trigion Security Services is the UK provider of Security Guarding and Technical Solutions for Facilicom UK.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  QCICqcic-group.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 159 contacts → |
“QCIC is an award-winning global engineering firm specialising in designing, building and running security systems.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Norbain SDnorbain.comHQ: Bracknell, United KingdomReported employees: 51-200 | Bracknell, United Kingdom | 51-200 | Exact match | 157 contacts → |
“Norbain is a leading UK security distributor, covering video surveillance, access control & intruder detection solutions.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Gough & Kellygough-kelly.co.ukHQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 157 contacts → |
“A premier provider of security products and services across England, Gough & Kelly was formed in 1988 to influence and inspire the security and electrical marketplace by providing…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Evanderevander.comHQ: Norwich, United KingdomReported employees: 201-500 | Norwich, United Kingdom | 201-500 | Exact match | 155 contacts → |
“For over 50 years, Evander has been trusted to make homes and businesses safe, secure, and ready for what’s next.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Capricorn Security Group LTDcapricornsecurity.co.ukHQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 153 contacts → |
“Capricorn Security Group has been a Security Industry Authority (SIA) approved contractor for over 9 years and is ranked in the top 5% of Security Companies in the UK.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Frontline Security Solutionsfrontlinefs.comHQ: Chalfont St Peter, United KingdomReported employees: 51-200 | Chalfont St Peter, United Kingdom | 51-200 | Exact match | 145 contacts → |
“Frontline Security Solutions is a global electronic security integrator specialising in Access Control, CCTV, Intruder and Intercom systems that protect people, property and…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  The Keyholding Companykeyholding.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 137 contacts → |
“The Keyholding Company are a tech-enabled mobile security services company, specialising in alarm response, mobile patrols, locks and unlocks, emergency and temporary guarding…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kingdom Security Serviceskingdom.co.ukHQ: Newton-le-willows, United KingdomReported employees: 5,001-10,000 | Newton-le-willows, United Kingdom | 5,001-10,000 | Exact match | 126 contacts → |
“About Kingdom Security Established in March 1993, Kingdom Security is a leading UK security provider delivering professional, fully licensed security services nationwide.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Vantage Securityvantagesecurity.comHQ: West Midlands, United KingdomReported employees: 201-500 | West Midlands, United Kingdom | 201-500 | Exact match | 124 contacts → |
“Having a 34 year old presence in the security & surveillance industry, Vantage has seen the industry being conceived and mature over time and have been at the forefront of every…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,076 company matches
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Security and access control companies: dataset insights
September 6, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
3,034 records in the displayed employee bands.
42 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: September 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 and access control companies by metro
- Security and access control companies in London346
- Security and access control companies in Manchester73
- Security and access control companies in Birmingham49
- Security and access control companies in Glasgow36
- Security and access control companies in Leeds31
- Security and access control companies in Nottingham30
- Security and access control companies in Belfast28
- Security and access control companies in Leicester27
- Security and access control companies in Liverpool27
- Security and access control companies in Bristol26
- Security and access control companies in Sheffield25
Questions about this company list
What does Exact match mean for security and access control companies?
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 and access control companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 3,076 matching company records, 116,657 tracked contacts and 11,461 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: September 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 and access control companies by geography
- Security and access control companies based in the United States
- Security and access control companies based in Brazil
- Security and access control companies based in France
- Security and access control companies based in Australia
- Security and access control companies based in Germany
- Security and access control companies based in Canada
- Security and access control companies based in Italy
- Security and access control companies based in South Africa
- Security and access control companies based in Spain
- Security and access control companies based in the Netherlands
- Security and access control companies based in Mexico
- Security and access control companies based in Argentina
Cite this list
RevenueBase Data Team. Top 25 security and access control companies based in the United Kingdom. Snapshot: September 6, 2026. https://revenuebase.ai/companies/security-and-access-control-companies/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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Security and access control companies based in the United States
- Security and access control companies based in Brazil
- Security and access control companies based in France
- Security and access control companies based in Australia
- Security and access control companies based in Germany
- Security and access control companies based in Canada
Company intelligence · public preview
Top 25 security and access control companies based in the United Kingdom
RevenueBase records 3,076 matching company records for security and access control companies based in the United Kingdom, with 116,657 tracked contacts and 11,461 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: September 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 and access control companies 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 | G4sg4s.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 79,699 contacts → |
“G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Chubb Fire & Securitychubbfs.com HQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,169 contacts → |
“Making the world a safer place.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Global Securitycctv-alarms.co.uk HQ: Blackburn, United KingdomReported employees: Not recorded | Blackburn, United Kingdom | Not recorded | Exact match | 393 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 · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Marlowe Fire & Securitymitiefireandsecurity.com HQ: Manchester, United KingdomReported employees: 501-1,000 | Manchester, United Kingdom | 501-1,000 | Exact match | 389 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 · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Trinity Fire & Security Systemstrinityfireandsecurity.com HQ: Exeter, United KingdomReported employees: 501-1,000 | Exeter, United Kingdom | 501-1,000 | Exact match | 386 contacts → |
“Trinity’s mission statement is simple - to provide high quality design, installation, commissioning and long term after care of Fire Detection, Fire Suppression, Life Safety and…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hall & KAYhkfire.co.uk HQ: Ascot / Birmingham / Manchester / Glasgow, United KingdomReported employees: 201-500 | Ascot / Birmingham / Manchester / Glasgow, United Kingdom | 201-500 | Exact match | 341 contacts → |
“We deliver complex fire protection and security solutions.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Kings Secure Technologieskingsltd.co.uk HQ: Bradford, United KingdomReported employees: 501-1,000 | Bradford, United Kingdom | 501-1,000 | Exact match | 326 contacts → |
“Kings Secure Technologies (KST) is a high-end, enterprise-level systems integrator.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Paxton Access LTDpaxton-access.com HQ: Brighton, United KingdomReported employees: 201-500 | Brighton, United Kingdom | 201-500 | Exact match | 255 contacts → |
“With 40 years of experience, Paxton is a company passionate about technology.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MAN Commercial Protection Limitedmancommercialprotection.co.uk HQ: Shirley, United KingdomReported employees: 1,001-5,000 | Shirley, United Kingdom | 1,001-5,000 | Exact match | 226 contacts → |
“MAN Commercial is a leading security company and Training Academy based in Solihull, West Midlands.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Scci Alphatracksccialphatrack.co.uk HQ: Harlow, United KingdomReported employees: 201-500 | Harlow, United Kingdom | 201-500 | Exact match | 205 contacts → |
“Part of the SCCI Group, SCCI Alphatrack designs, installs, and maintains connected building systems across social housing, commercial property, new builds, and public sector…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Evolution Electronic Security Systems LTDevolutionsecurity.com HQ: Marlow, United KingdomReported employees: 201-500 | Marlow, United Kingdom | 201-500 | Exact match | 200 contacts → |
“Founded in 1996 we have grown into one of the UK and Ireland’s leading qualified and accredited security and fire systems integrators, working across Europe to bring together…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Openview Security Solutions Limitedopenviewgroup.com HQ: Romford, United KingdomReported employees: 201-500 | Romford, United Kingdom | 201-500 | Exact match | 200 contacts → |
“OpenView Security Solutions is the UK’S largest privately owned independent security company and provides unique, innovative and technologically excellent solutions to meet…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Abca Fire And Securityabcasystems.co.uk HQ: Newcastle Upon Tyne, United KingdomReported employees: 201-500 | Newcastle Upon Tyne, United Kingdom | 201-500 | Exact match | 195 contacts → |
“Surefire Business Protection No matter the sector you work in, or where you’re located in the UK, we can help you to make sure that fire and security problems are not things you…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Unitrust Protection Servicesunitrust.co.uk HQ: Middx, United KingdomReported employees: 201-500 | Middx, United Kingdom | 201-500 | Exact match | 175 contacts → |
“We are able to supply a one stop security service for all types of security requirement.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Texecom LTDtexe.com HQ: Haslingden, United KingdomReported employees: 201-500 | Haslingden, United Kingdom | 201-500 | Exact match | 170 contacts → |
“Looking after the things people care about, wherever they are’.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Trigion Security Services LTDtrigion.co.uk HQ: Sidcup, United KingdomReported employees: 201-500 | Sidcup, United Kingdom | 201-500 | Exact match | 166 contacts → |
“Trigion Security Services is the UK provider of Security Guarding and Technical Solutions for Facilicom UK.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | QCICqcic-group.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 159 contacts → |
“QCIC is an award-winning global engineering firm specialising in designing, building and running security systems.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Norbain SDnorbain.com HQ: Bracknell, United KingdomReported employees: 51-200 | Bracknell, United Kingdom | 51-200 | Exact match | 157 contacts → |
“Norbain is a leading UK security distributor, covering video surveillance, access control & intruder detection solutions.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Gough & Kellygough-kelly.co.uk HQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 157 contacts → |
“A premier provider of security products and services across England, Gough & Kelly was formed in 1988 to influence and inspire the security and electrical marketplace by providing…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Evanderevander.com HQ: Norwich, United KingdomReported employees: 201-500 | Norwich, United Kingdom | 201-500 | Exact match | 155 contacts → |
“For over 50 years, Evander has been trusted to make homes and businesses safe, secure, and ready for what’s next.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Capricorn Security Group LTDcapricornsecurity.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 153 contacts → |
“Capricorn Security Group has been a Security Industry Authority (SIA) approved contractor for over 9 years and is ranked in the top 5% of Security Companies in the UK.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Frontline Security Solutionsfrontlinefs.com HQ: Chalfont St Peter, United KingdomReported employees: 51-200 | Chalfont St Peter, United Kingdom | 51-200 | Exact match | 145 contacts → |
“Frontline Security Solutions is a global electronic security integrator specialising in Access Control, CCTV, Intruder and Intercom systems that protect people, property and…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | The Keyholding Companykeyholding.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 137 contacts → |
“The Keyholding Company are a tech-enabled mobile security services company, specialising in alarm response, mobile patrols, locks and unlocks, emergency and temporary guarding…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kingdom Security Serviceskingdom.co.uk HQ: Newton-le-willows, United KingdomReported employees: 5,001-10,000 | Newton-le-willows, United Kingdom | 5,001-10,000 | Exact match | 126 contacts → |
“About Kingdom Security Established in March 1993, Kingdom Security is a leading UK security provider delivering professional, fully licensed security services nationwide.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Vantage Securityvantagesecurity.com HQ: West Midlands, United KingdomReported employees: 201-500 | West Midlands, United Kingdom | 201-500 | Exact match | 124 contacts → |
“Having a 34 year old presence in the security & surveillance industry, Vantage has seen the industry being conceived and mature over time and have been at the forefront of every…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Security and access control companies: dataset insights
September 6, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
3,034 records in the displayed employee bands.
42 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: September 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 and access control companies by metro
- Security and access control companies in London346
- Security and access control companies in Manchester73
- Security and access control companies in Birmingham49
- Security and access control companies in Glasgow36
- Security and access control companies in Leeds31
- Security and access control companies in Nottingham30
- Security and access control companies in Belfast28
- Security and access control companies in Leicester27
- Security and access control companies in Liverpool27
- Security and access control companies in Bristol26
- Security and access control companies in Sheffield25
Questions about this company list
What does Exact match mean for security and access control companies?
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 and access control companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 3,076 matching company records, 116,657 tracked contacts and 11,461 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: September 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 and access control companies by geography
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- Security and access control companies based in South Africa
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Cite this list
RevenueBase Data Team. Top 25 security and access control companies based in the United Kingdom. Snapshot: September 6, 2026. https://revenuebase.ai/companies/security-and-access-control-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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