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Are You Looking for Security Systems & Services in London?

Explore 259 security businesses across London, including East London, West London and South London, offering alarm systems, CCTV and guarding services. Read customer reviews, check service coverage and contact suitable providers about quotations.
Central London (39)
East London (88)
North London (30)
South London (40)
West London (62)
2 reviews
Imperial Security
2 reviews
We provide fully trained SIAlicensed security guards across sectors.
Discover why Imperial Security is London's trusted provider of bespoke, fully licensed security services protecting your people, property and assets with care.
020 8088 2878 Call Profile
Not rated yet
111 Security Systems
Emergency
Not rated yet
We provide 24/7 personalized customer support.
Trusted security solutions provider offering CCTV systems, access control and intruder alarms across London and the South East. Professional installation, competitive pricing, and 24/7 customer support.
CCTV Systems Access Control Intruder Alarms
020 3627 2768 Call Profile
2 reviews
Westminster Security
Emergency
2 reviews
We deploy security personnel with extensive military and police experience.
Westminster Security offers elite private security solutions in London, including close protection, residential security, and private investigations. Trusted by high-profile clients worldwide.
Close Protection Residential Security Private Investigation
020 7123 4544 Call Profile
Not rated yet
Blue Diamond Security Solutions
19 Years
Emergency
Not rated yet
We have over 85 years of combined experience in VIP protection and corporate security.
Blue Diamond Security Solutions offers elite security services across London, the UK, and Europe. Specialising in close protection, cargo security, and event management, we deliver tailored solutions with ISO-certified quality and 24/7 reliability.
Close Protection Cargo Security Event Security
0843 289 0674 Call Profile
Not rated yet
Utopia Security Services
18 Years
Emergency
Not rated yet
We provide SIA-certified security personnel with specialist ex-police and ex-military options
Utopia Security Services offers expert event security, VIP protection, and bodyguard services across London and the UK. SIA-certified personnel, including ex-police and ex-military specialists, ensure comprehensive protection for high-profile clients and
Event Security VIP Protection Bodyguard Services
0843 289 9149 Call Profile
Not rated yet
Carlton Security
Emergency
Not rated yet
We have over 50 years of combined security experience.
Carlton Security offers tailored security solutions in London, including asset protection, event security, and 24/7 services. Backed by 50+ years of expertise and SIA-approved personnel.
Security Personnel K9 Unit Maritime Security
020 8590 5131 Call Profile
TSS
37 Years
Emergency
Not rated yet
TSS
37 Years
Emergency
Not rated yet
We offer 30 years of security industry experience with 1000+ years of management expertise.
TSS offers tailored security solutions across the UK, combining 30 years of expertise with technology-driven crime prevention strategies for retail, corporate, and public sector clients.
Retail Security Crime Prevention Account Management
020 8523 5533 Call Profile
Sid Security
4 Years
Emergency
Not rated yet
Sid Security
4 Years
Emergency
Not rated yet
We offer 24/7 security services with rapid response times.
Sid Security offers tailored security solutions including manned guarding, CCTV, and asset tracking in London and the South East. Reliable, affordable, and customer-focused services for businesses of all sizes.
Manned Guarding CCTV Surveillance Asset Tracking
020 8234 6870 Call Profile
Trigion Security
20 Years
Emergency
Not rated yet
Trigion Security
20 Years
Emergency
Not rated yet
We have over 50 years' experience in security solutions
Trigion Security delivers NSI Gold accredited security solutions including electronic systems, manned guarding, and 24/7 monitoring. Serving UK businesses and properties with tailored protection since 2006.
Electronic Security Systems Manned Guarding Services Fire Protection Systems
020 8308 5050 Call Profile
Not rated yet
Advance Security Solutions
Emergency
Not rated yet
We are SIA-approved security service providers.
Advance Security Solutions offers expert security, cleaning, and facility management services in Rainham and beyond. Trusted for SIA-approved security solutions and tailored engineering services.
Security Services Cleaning Services Facility Management
020 8596 5493 Call Profile