Professional Installation Maintenance Repair & Service
Securex is NSI-certified professional security company accredited by the National Security Inspectorate. This certification ensures high standards in the installation and maintenance of security systems, for insurance requirements and police response. We provide installation, maintenance, repairs & services across London & surrounding areas for homes, residential buildings, businesses, retail & commercial properties.
- All systems Covered
- No Contract Required
- One Off Callouts
Need Help Right Now? We’re One Call Away
Alarm faults, system failures, or break-ins? Our expert engineers respond instantly, day or night. Get fast, reliable support to secure your property now.
07848 247 247

Professional & Trust-Focused
Securex is NSI-certified professional security company accredited by the National Security Inspectorate. This certification ensures high standards in the installation and maintenance of security systems, for insurance requirements and police response. We provide installation, maintenance, repairs & services across London & surrounding areas for homes, residential buildings, businesses, retail & commercial properties.
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NSI Accreditation
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Insurance Requirements
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Police Monitored Intruder Alarms
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Installations
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Maintenance Packages
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Unlimited Technical Support
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Repairs & Servicing
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24/7 Emergency Callouts
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No contract required
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We can install, maintain, service & repair Access systems, Door Entry, Intercoms, CCTV system, Intruder Alarm Systems, Networking infrastructure, Data Cabling & Audio
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We also offer 24/7 Emergency callout In London for homes, residential buildings, businesses, retail, commercial properties.
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Our installers, engineers & technicians are ready to assist with any faults on your security system. Rest easy knowing that we are ready to assist you around the clock with our 24/7 emergency service.
EXCELLENT Based on 112 reviews Danielle Whitelock2025-05-26Trustindex verifies that the original source of the review is Google. 5 star service for an emergency call out. I’m currently away and my alarm decided to trip out. I sent a txt at 11pm and the guy reply straight away, Gave me a price and was at my house within 40 mins and stopped the alarm. I highly recommend for any security problems you may have. Definitely deserves 5 stars. Cam P2025-04-12Trustindex verifies that the original source of the review is Google. A fast reliable, high standard of work from them. Alex was very professional with great knowledge of the systems especially when compared to other companies. tstopman2025-04-08Trustindex verifies that the original source of the review is Google. Great service…Alex took on the job at short notice. He came at the end of his working day and finished at around 9pm. Efficient and courteous. Would highly recommend and will be using Alex again. bridget harrison2024-12-04Trustindex verifies that the original source of the review is Google. Great service. Called at midnight in desperation as my house burglar alarm kept going off. Alex came within 20 minutes and stayed over an hour finding the fault then carefully dismantling the faulty aspects. He was also very nice and friendly to deal with Archie Gormley2024-11-28Trustindex verifies that the original source of the review is Google. Alex was fantastic. Came to fix our alarm late at night within an hour of calling. Highly recommend! Marina Harden2024-10-28Trustindex verifies that the original source of the review is Google. Responded really promptly when house alarm failed at 2300 on a Sunday night. Helped silence the outside alarm and checked that the internal alarm had been appropriately disconnected. Explained what the issue was and resolution process. Very good, professional service and recommended. Ruth Wall2024-09-30Trustindex verifies that the original source of the review is Google. Came out promptly, on a weekend, and sorted the problem out quickly. Yoko Beesley2024-09-23Trustindex verifies that the original source of the review is Google. 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 to rescue us at 1:30am. Super reliable and simply a life saver for us! Thank you very much. Ava Reeves2024-09-22Trustindex verifies that the original source of the review is Google. Thankyou 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, safe and well informed throughout the process.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Why Choose Emergency Alarm Company?
24/7 Emergency Callout Services
Immediate help anytime—day or night—for urgent fire, smoke, or electrical system failures. Our expert engineers are ready round the clock to fix faults and restore full protection. From alarm issues to power faults, we act fast and professionally.
All Security Systems Covered
At Securex, we deliver fast-response emergency services for Fire Alarms, Smoke Detectors, Electrical Systems, and Networking across London. For homes or businesses, our team is ready for critical callouts—no contracts, just reliable support.
Trusted & Reviewed by Customers
We are rated 5 stars by over 100 satisfied clients across London for reliability, speed, and professionalism. Customers praise our prompt midnight responses and high-quality service. Peace of mind comes standard when you call Emergency Alarm Company.

About Securex
Trusted Experts in Emergency Alarms, Security Repairs & 24/7 Rapid Response
At Securex, we specialize in emergency alarm callouts and urgent security solutions throughout London. With no contracts and a fully qualified team, we offer fast, professional help when you need it most. From false alarms to full system failures—we act fast to keep you protected, day and night.
- Emergency alarm support
- 24/7 rapid response
- Complete system care
Get Your Emergency Service Now :
Intruder and Burglar Alarm Callouts
When your intruder or burglar alarm triggers unexpectedly or fails to arm, you need fast action. Our engineers are available 24/7 to provide urgent support across all London boroughs. Whether you’re dealing with a persistent tamper alert, power failure, or complete system lockout, our team resolves issues quickly and professionally. We’re trusted by customers across the city for services such as 24-Hour Burglar Alarm Repairs, Broken Alarm Callouts, and Best Emergency Alarm Company Cheshunt for 24/7 Protection. Our rapid response ensures your home or business remains secure without unnecessary downtime.


Emergency Fire Alarm Callouts
Fire alarms are essential for life safety, and a fault at any time must be addressed immediately. Our emergency engineers handle high-priority callouts to investigate faults, false alarms, and non-functional fire alarm panels. We specialize in urgent cases that require skilled diagnosis and on-the-spot solutions. Property owners across London rely on our team for fast help via Top 5 Fire Alarm Emergency Call-Out Services You Can Rely On, Emergency Alarm Company South London, and Emergency Alarm Company West London. No matter the make or model, we restore your fire alarm system to working order, ensuring safety is never compromised.
Scaffold Alarm Installation
Securex Security & Electrical designs, installs and maintains Burglar Alarms, intrusion detection for construction sites, buildings sites and scaffold alarms in London and surrounding areas.
Burglar and scaffold alarm Installations in London’s construction and building sites no matter how big or small have become a target for theft, intrusion and damage. As a developing and changing site we have the flexibility to adapt your security requirements.


Emergency Electrical Company
Experiencing a sudden power outage, sparking sockets, or tripping breaker panels late at night? Our Emergency Electrical Company team is ready with immediate help across London. We handle urgent electrical hazards and faults in homes and offices, including emergency support in Emergency Alarm Company Camden and Emergency Alarm Company Elstree. No installations or maintenance—just rapid, electrician-level fixes to restore your safety and power fast. We respond within an hour for most areas and bring all tools needed to repair cables, replace fuses, or inspect panels. Your electrical safety is our priority, day or night.
CCTV
When your CCTV system suddenly stops recording or live feeds go offline, it’s a security risk. We provide fast troubleshooting and repair services for all types of camera faults—blurred images, connection errors, and DVR issues. Commercial clients and homeowners alike trust our emergency engineers to fix critical surveillance problems without delay. Our trusted services include Emergency CCTV Camera Installation, Top CCTV Repair London Services | Fast & Reliable Security Solutions, and Emergency Alarm Engineers. Stay protected and aware, even when unexpected failures occur.


Door Entry & Intercoms
If you’re locked out or your door entry system fails, time is critical. Our emergency team responds rapidly to intercom glitches, access control breakdowns, and power loss issues. We handle residential and commercial properties, offering peace of mind to tenants, landlords, and businesses. Our services cover Emergency Door Entry System, Alarm Engineer Near Me, and Emergency Alarm Engineers. We prioritize your security and convenience, restoring access without unnecessary delay.
Access Control Engineers
When your access control system malfunctions, building security is at risk. Our team handles urgent callouts for key fob issues, keypad errors, and controller faults. Whether it’s a malfunction at a commercial entrance or a residential block, we restore access fast. Our emergency services are trusted under listings like Emergency Access Control, Security Alarm Companies Surrey, and Top Emergency Alarm Engineer Services for Home & Business. We ensure only the right people can get in—no waiting.


Data & Networking
Your security systems rely on stable networks to communicate, and a sudden failure can leave them vulnerable. We offer emergency fixes for router disconnections, alarm control panel errors, and data signal drops. From CCTV to smart alarms, we restore full connectivity with minimal disruption. Businesses rely on our support as listed in Security System Repair Hackney, Top Security System Service Options for Home Protection, and Security System Repair Islington. No system stays down long when our network engineers are on call.
RING DOORBELL
Live video and audio streaming, motion-activated alerts, and two-way talk functionality are just a few of the many features that make Ring Doorbells an essential tool for home monitoring. With 1080p HD video quality and night vision capabilities, you can rest assured knowing your front door is always protected.

Call Us On 07848 247 247 for rapid emergency response
Emergencies don’t wait—and neither do we. Securex offers true 24/7 emergency alarm response across London and surrounding areas. Whether it’s a fault, tamper alert, or system failure, our engineers are always on standby to restore your safety.
Our advanced alarm systems provide real-time alerts and fast engineer dispatch. With GPS-enabled tracking, we pinpoint issues quickly and act fast to support users in distress.
We understand the urgency—our rapid repair and replacement services minimize downtime and restore full protection instantly. Plus, with our preventative maintenance packages, we help reduce faults and keep your alarm system running reliably, day and night.