Why Home Fire Alarms Matter in 2025
Home fires remain one of the most serious risks to families and property. Even with better awareness, statistics
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We provide expert intruder alarm installation and dependable support to keep every property safe and secure.
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We protect homes with advanced intruder alarms and deliver lasting peace of mind for families everywhere.
Get a QuoteWe safeguard businesses with tailored intruder alarms and reliable protection for every working environment.
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protection for homes & businesses across Hampshire & West SussexWe install and maintain intruder alarms that safeguard every type of property, from private homes to large commercial sites. Covering Hampshire and West Sussex, our experienced team delivers reliable systems designed for lasting security and complete peace of mind.
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Intruder Alarm Protection for Homes and Businesses
Residential & Commercial Intruder Alarms
Every project begins with a free site survey and tailored design, ensuring your intruder alarm meets property needs and insurance standards.
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Residential & Commercial Intruder Alarms
Our skilled team installs and tests every system with care, leaving you with a fully operational alarm ready to protect your property.
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Residential & Commercial Intruder Alarms
We replace or improve older alarms with modern wired or wireless technology, adding smart features for stronger, more reliable security.
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Residential & Commercial Intruder Alarms
Enjoy round-the-clock protection with professional monitoring and rapid alerts that connect to keyholders or emergency services.
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Residential & Commercial Intruder Alarms
Regular servicing and prompt repairs keep your intruder alarm in peak condition, maintaining compliance and long-term reliability.
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Residential & Commercial Intruder Alarms
We integrate intruder alarms with CCTV, access control or mobile apps, giving you complete security management from anywhere.
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Expert protection for families and property
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security for offices, shops & industrial sitesInstalling & managing for businesse across the South of England
At GMD Security, we specialise in commercial intruder alarm installation and maintenance for properties of every size, including offices, warehouses and retail spaces across Hampshire and West Sussex. Our expert team designs robust, insurance-compliant systems that integrate with CCTV and access control for total site protection. In partnership with Camsure Fire & Security, we combine extensive industry experience with modern technology to give your business dependable, round-the-clock security.
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Looking for the best intruder alarm installer in Hampshire or West Sussex? GMD Security provides expert design, installation and ongoing maintenance for homes and businesses. Our certified team uses advanced alarm technology and meets all British Standards, giving you reliable protection and complete peace of mind. Recently completed Intruder Alarm installs in: Waterlooville, Portsmouth, Chichester, Petersfield, Havant, Fareham, Gosport, Southampton, Winchester, Bognor Regis, Emsworth, Hayling Island, Liphook, Midhurst, Alton, Rowlands Castle.
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We can help youProtecting your home or business with a new intruder alarm is simple and stress-free. From your first enquiry to full installation and ongoing care, we make every step easy and reassuring.
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Book a free site survey so we can assess your home or business, discuss your needs, and plan the ideal intruder alarm system.
Our trained engineers install and thoroughly test every component, ensuring instant, reliable protection with minimal disruption.
We provide regular maintenance, prompt repairs, and responsive support to keep your alarm system secure year after year.
Testimonials
GMD, fitted CCTV to front and back of my house very nicely installed, very clean and professional, price cheaper than any other quote I've had, would recommend
GMD Security installed a full commercial fire alarm system with outstanding care and precision. Every stage from survey to completion was handled professionally, giving us total confidence in safety.
Great service! Friendly, professional, reassuring. Everything you need when someone is working on a domestic security system. Will happily recommend George at GMD to friends and family alike.
Our business now has a comprehensive intruder alarm and CCTV setup installed by GMD Security. The team worked efficiently, explained everything clearly, and delivered reliable protection we can depend on.
About our intruder alarm services and support across Hampshire, West Sussex & beyond
The ideal system depends on your property and lifestyle. We install wired and wireless intruder alarms with options such as smart app control, pet-friendly sensors and 24/7 monitoring, ensuring reliable protection for homes in Waterlooville, Portsmouth and surrounding areas.
Yes. Visible alarm boxes and motion detection systems act as a strong deterrent. Professionally installed intruder alarms significantly reduce the risk of break-ins for both residential and commercial properties.
We recommend an annual service for home alarms and at least twice yearly for commercial systems. Regular maintenance keeps alarms reliable and meets insurance and industry standards.
Absolutely. We design fully integrated systems that combine intruder alarms, CCTV and fire alarms, giving complete security and easier monitoring for homes and businesses.
Yes. All systems are installed to recognised British Standards, helping customers across Hampshire and West Sussex meet insurance requirements and potentially lower premiums.
Our experienced team works efficiently, often completing standard home installations within a day and larger commercial projects within agreed timescales.
Yes. We provide 24/7 monitored intruder alarms with immediate response, ideal for shops, offices and industrial sites throughout Portsmouth, Chichester and the wider region.
Yes. We offer wireless intruder alarms that require minimal disruption and are perfect for retrofitting to homes or commercial premises.
All our intruder alarm systems include battery backup, ensuring continued protection during power outages across Hampshire and West Sussex.
Simply contact us for a free, no-obligation site survey. We visit properties in Waterlooville, Portsmouth, Chichester and beyond to create a tailored, detailed quote for your home or business.
Shaftesbury Ave, Purbrook, Waterlooville PO7 5HT
Book an appointmentIntruder Alarm installs in homes and businessesBlog & Articles
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