London Security To Keep Intruders Away
Security, Fire, Electrical, Data & Networking
At Securex, we deliver proven, flexible, and cost-effective security solutions tailored to your needs. As an NSI-certified company, our services meet the highest standards of quality and reliability.
NSI Silver
Complete Solutions
Our Complete Services Include:
- Intruder Alarm Systems: NSI accredited, Insurance approved, Installation, maintenance, repairs.
- Police Response Alarm Systems: Installation and servicing of police-linked systems.
- CCTV Systems: CCTV installation, repairs, and remote viewing setup.
- Fire Safety Solutions: Fire alarms, extinguishers, compliance, installation.
- Access Control Systems: Biometric and card-based systems.
- Electrical Services: Installation, repairs and maintenance.
- Door Entry & Visitor Management: Secure visitor solutions.
- Data Cabling & Networking: Complete data cabling and repairs.
Complete Security Solutions with24/7 Emergency Support
Alarm faults, system failures, or security breaches? Our NSI-certified engineers respond instantly across London -- day or night.
Professional & Trust-Focused
As an NSI-certified company, we maintain the highest professional standards for insurance compliance and police response.
NSI Accreditation
Certified excellence in security standards and professional service delivery
Insurance Requirements
Full insurance requirement coverage protecting your valuable assets
Police Monitored
Direct police station connections for immediate emergency response
Expert Installation
Professional setup by certified technicians using cutting-edge equipment
Maintenance Plans
Comprehensive system maintenance ensuring optimal performance
Unlimited Support
Round-the-clock technical assistance and system troubleshooting
Repairs & Servicing
Swift repairs with genuine components and professional servicing
Contract Freedom
Flexible services without long-term contract obligations
Secure. Reliable. 24/7.
We install, maintain, and repair all security systems, including CCTV, intruder alarms, access control, door entry systems, and networking infrastructure.
We also offer 24/7 Emergency callout in London for homes, residential buildings, businesses, retail, commercial properties.
Our installers, engineers & technicians are ready to assist with any faults on your security system. Rest easy knowing we are ready to assist you around the clock.
Premium Technology Partnerships
We exclusively use industry-leading brands to ensure reliability and performance:
Serving all property types across London
Trusted Experts
At Securex, we are NSI-certified security specialists providing comprehensive solutions throughout London and surrounding areas. With over 100+ five-star reviews, we deliver professional installations, emergency repairs, and 24/7 support for homes, residential buildings, businesses, and commercial properties.
Intruder and Burglar Alarm
Installation · Maintenance · Repairs
At Securex, we've been installing reliable security systems for over 10 years. We only choose proven, cost-effective, and industry-trusted systems.
- External Siren -- loud audible alert and visual deterrent
- Opening Protection -- sensors on doors and windows
- Penetration Detection -- protection for key entry points
- Motion Detection -- internal sensors for movement
Fire Alarms That Save Lives
Installed and Maintained by Experts
Fire alarms are essential for life safety. We provide proven, flexible fire and security solutions tailored to your exact needs.
- Expert Installation to meet legal and insurance requirements
- Professional Maintenance & Repairs
- 24/7 Emergency Callouts
- Ongoing Support & System Monitoring
Site Security & Scaffold Alarm
Flexible · Wireless · Rapid Deployment
Protect your construction site and temporary structures with flexible, reliable, rapid-deployment security solutions.
- Wireless Technology -- no permanent wiring
- 24/7 Remote Monitoring
- Rapid Deployment for urgent projects
Electrical
Installation, Maintenance & Repairs
Complete range of professional electrical services by fully qualified engineers committed to safety, reliability, and compliance.
- Electrical Installations -- sockets to full rewire
- Testing & Inspection -- Full EICR reports
- Fault Finding -- expert diagnostics
CCTV
Installation · Maintenance · Repairs
High-quality CCTV solutions designed to protect your property, people, and assets with tailored systems and ongoing support.
- HD / 4K resolution cameras
- Remote access via smartphone or PC
- Night vision & motion detection
- Cloud or local storage options
Door Entry & Intercom
Installation · Repairs · Maintenance
Installation and support of door entry and intercom systems for homes, businesses, apartment blocks, and gated properties.
- Audio and video intercoms
- Keypad, fob, or mobile access
- Integration with CCTV and access control
- Remote unlocking and mobile alerts
Access Control
Installation · Servicing · Maintenance
Reliable, secure, and scalable access control solutions tailored to your property's needs.
- Keypad, fob, biometric, and mobile access
- Cloud-managed or locally hosted
- Multi-user and multi-site configurations
Data & Networking
Installation · Fault Finding · Repairs
Reliable and scalable data and networking solutions for homes, businesses, and industrial environments.
- Structured cabling (Cat5e, Cat6, Cat6a, fibre)
- Wi-Fi setup & optimisation
- Repairs & upgrades for network hardware
Video Doorbell
Installation · Maintenance · Repairs
Professional video doorbell solutions from Securex. Compatible with Eufy, Hikvision, Dahua, and more.
- Wired or wireless with strong Wi-Fi
- Maintenance & firmware updates
- Smart home, CCTV, access control integration
Client-Centric Security Solutions
At Securex, we believe every client is unique. That's why we offer bespoke service plans fully customizable and built around your property, industry, risk profile, and budget.
What Our Clients Say
Came out promptly, on a weekend, and sorted the problem out quickly.
Our house security alarm went off constantly due to low battery and kids couldn't sleep but Alex came straightaway all the way from the other side of London.
Thank you so much for all your help in finding and fitting an alarm system! You were so kind, helpful and prompt, I felt very looked after.
Our Proven Process
Free Consultation
Our experts visit your property to assess security needs and recommend solutions within your budget.
Custom System Design
Using premium Hikvision, Paxton, and Pyronix technology tailored to your requirements.
Professional Install
NSI-certified installation with testing, commissioning, and full user training.
Ongoing Support
Routine maintenance to emergency callouts, we're your long-term security partner.
We Cover London & Surrounding Areas
Our NSI-certified engineers provide professional security installations, maintenance, and 24/7 emergency callouts across Greater London and the surrounding counties within the M25 corridor.
Frequently Asked Questions
Have a question about our security services? Find answers below or contact our team for a personalised response.
Contact Us