Find the 20 Best Security Companies in South London

Wickham Security delivers professional security solutions including wireless and hard-wired alarm systems, CCTV installations, and 24/7 monitoring services. With over 35 years of experience, we provide tailored security for residential and commercial properties across Kent and London. Our commitment to quality combines award-winning technology with expert installation and ongoing support.

1A Ideal Locksmiths provides 24/7 emergency and routine locksmith services across South London and Surrey. Specialising in residential and commercial security solutions, we offer lock replacements, non-destructive entry, burglary repairs, and insurance-compliant installations. Our family-run business combines 15 years' experience with membership of industry-leading associations for trusted, insured service.

The Entryphone Company designs, manufactures, and installs door entry and access control systems, combining over six decades of engineering expertise with innovative technology to deliver reliable security solutions for residential, commercial, and industrial clients.

GK Alarms provides comprehensive security solutions including smart home alarms, burglar alarms, CCTV systems, and access control. Established in 2004, we serve domestic, small business, and commercial clients with tailored security packages. Our services emphasize 24/7 monitoring, maintenance, and leasing options to ensure long-term protection and customer satisfaction.

Saunderson Security is a leading UK supplier of premium security products including padlocks, door locks, safes, and access control systems. Specialising in high-quality hardware for residential, commercial, and industrial applications, the company combines extensive product selection with expert technical guidance. With a focus on reliability and customer satisfaction, they offer competitive pricing and nationwide delivery.

We provide comprehensive fire safety and protection systems across London. Our core offerings include BAFE accredited fire alarm installations, smoke control systems, and certified fire risk assessments. We ensure total building compliance and life safety for residential, commercial, and public sector clients.

Guard Dog Security provides specialist security solutions using trained guard and dog teams. Established in 2004, we protect commercial and residential properties across construction sites, data centres, renewable energy facilities, and government buildings. Our NASDU-certified K9 units and ex-military personnel deliver 24/7 protection with a proven 100% reduction in site crime.

Churchill Fire and Security delivers comprehensive security solutions including intruder alarms, CCTV, access control, and fire systems for residential and commercial clients. With over 30 years of expertise, we adhere to ISO 9001 and NSI standards, offering 24/7 engineer support across London, Kent, Surrey, and Sussex. Our tailored approach combines traditional professionalism with advanced technology to address evolving security needs.

First Securitytec Ltd distributes professional security electronics including CCTV systems, access control solutions, and intruder alarms across the UK. Specialising in Hikvision, EZVIZ, and HiLook products, we offer technical support and competitive pricing for installers and end-users. Our services include system integration, equipment supply, and nationwide delivery.

Covert Security Systems provides specialist electronic security solutions for residential and commercial properties. Established in 2001, we design, install, and maintain wired and wireless alarm systems, CCTV, access control, and fire safety systems. Our NSI Gold-certified services include police-monitored security, 24-hour remote support, and electrical installations by NICEIC-registered engineers.

Security Red Alert provides bespoke residential and commercial security solutions, including CCTV systems, fire alarms, and intruder detection services. With over 20 years of experience, we specialise in safeguarding homes and businesses through advanced technology and accredited compliance. Our services extend across London and surrounding areas, combining technical expertise with a commitment to community safety.

Guardian Alarms provides comprehensive, integrated security and fire protection solutions designed to safeguard both residential homes and commercial businesses. Our core offerings encompass the design, installation, and maintenance of advanced intruder alarms, high-definition CCTV surveillance, secure door entry systems, and sophisticated access control mechanisms, alongside certified fire protection and smart home automation. We serve as a single-source authority for risk mitigation, delivering bespoke protection strategies backed by professional monitoring and unrivalled technical support to ensure complete peace of mind.

Databac Group is a specialist manufacturer and provider of identification cards, RFID technology, and biometric security systems. Since 1970, we have delivered tailored ID solutions to businesses and institutions worldwide, combining UK-based manufacturing with a global partner network. Our commitment to sustainability is demonstrated through ISO14001-certified operations and eco-friendly product development.

Selectamark Security Systems is a leading UK-based provider of Police and Insurance-recommended property marking, forensic coding and asset identification solutions, with a proven track record dating back to 1985. Our specialist product range includes chemical etching labels, forensic DNA and microdot marking systems, security asset labels, the UKs national cycle registration database and cloud-based fixed asset management tools, all designed to deter theft and aid the recovery of stolen property. We work with homeowners, businesses, public sector organisations and law enforcement agencies globally to reduce burglary, robbery and other theft-related crimes, while delivering unrivalled product

Nationwide Security Systems provides comprehensive security solutions for homes and businesses in London and surrounding areas. Specialising in burglar alarms, CCTV systems, and wireless security installations since 2002, we combine bespoke design with 24/7 technical support. Our insurance-compliant systems meet British and European standards, backed by a two-year warranty and no long-term contracts.

DTS London is a leading provider of integrated security and networking solutions in London. Specialising in CCTV installation, WiFi network design, and smart home automation systems, we serve residential clients, SMEs, and major commercial organisations across London, Surrey, and Kent. With NSI Silver accreditation and Prince2-certified project management, we deliver tailored security solutions including access control systems, intruder detection, and 24/7 monitoring services.

HDI Systems delivers bespoke CCTV and security solutions to UK businesses, combining over 100 years of industry expertise with Axis Communications technology. We specialise in integrated systems for access control, facial recognition, and data analytics, serving sectors like casinos, healthcare, and retail with tailored security infrastructure.

Innert Security specialises in professional 4K Ultra HD CCTV and intruder alarm installations across Wimbledon and South West London. We offer tailored security solutions using Hikvision technology, ensuring high-resolution monitoring, remote access, and 24/7 protection. With a focus on quality and customer support, we provide free site surveys, expert installation, and 2-year warranties.

Euro Fire Protection & Maintenance Service provides nationwide fire safety solutions including extinguishers, detection systems, emergency lighting, and compliance training. Our service portfolio combines competitive pricing with technical expertise to help organisations meet regulatory requirements. We offer free compliance surveys, equipment supply, installation, and maintenance services to ensure comprehensive fire protection.

Crown Security Systems supplies and installs comprehensive security systems for residential and commercial properties throughout London. Our portfolio includes intruder alarms, CCTV, access control, fire safety solutions and automated gates, all backed by NSI Gold accreditation. We aim to protect our clients worlds by delivering reliable, expertinstalled technology and ongoing support.