Intruder AlarmsBusiness security is more critical than ever. Rising theft, vandalism and break-ins mean companies of all sizes need reliable protection—day and night. A professionally installed intruder alarm is one of the most effective ways to deter criminals, protect staff and meet insurance requirements.
Whether you run a small shop in Portsmouth, a busy warehouse in Chichester, or an office complex in Southampton, GMD Security provides expertly designed commercial intruder alarm systems across Hampshire and West Sussex. In this guide we explain why these alarms are vital in 2025, explore the latest technology, and show how we protect every sector.
Why Every Business Needs an Intruder Alarm
Strong Deterrence
A visible, professionally installed alarm system discourages burglars before they attempt entry.
Rapid Response
Modern alarms immediately alert keyholders or monitoring centres, ensuring a quick reaction to any incident.
Insurance Compliance
Most business insurers require a certified intruder alarm to validate policies or reduce premiums.
Staff and Asset Protection
From stock to sensitive data, your assets remain safe and staff feel secure.
Commercial Sectors We Protect
Retail & Hospitality – Shops, restaurants, pubs and hotels benefit from alarms that deter out-of-hours theft and protect cash-handling areas.
Offices & Corporate Buildings – Secure sensitive data and expensive equipment with alarms tailored to multi-floor layouts.
Warehouses & Logistics – Large storage spaces need multi-zone systems with motion and door contacts for full coverage.
Industrial & Manufacturing Sites – Robust, weatherproof sensors and integration with CCTV provide complete perimeter security.
Education & Healthcare – Schools, nurseries and clinics require alarms that combine reliability with strict safety standards.
Multi-Site Operations – Our smart technology links alarms across different branches for centralised monitoring.
Latest Intruder Alarm Technology in 2025
- Wired, Wireless & Hybrid Systems – Flexible installation options for new builds and existing premises.
- Smart App Control – Arm or disarm systems remotely and receive instant notifications.
- Zoned Detection – Protect specific areas like storerooms or server rooms.
- Integration with CCTV & Access Control – Create a seamless, multi-layered security solution.
- 24/7 Monitoring – Immediate response from our trusted monitoring partners.
Our Three-Step Process
- Free Site Survey – We assess your property, identify weak spots and recommend the ideal intruder alarm design.
- Expert Installation – Certified engineers install and test every sensor and panel for maximum reliability.
- Ongoing Care – Regular maintenance and swift repairs keep your system compliant and effective year after year.
Local Service You Can Rely On
GMD Security is based in Waterlooville and covers the whole of Hampshire and West Sussex, including Portsmouth, Chichester, Petersfield, Havant, Fareham, Gosport, Southampton, Winchester, Bognor Regis, Emsworth, Hayling Island, Liphook, Midhurst, Alton and Rowlands Castle.
Our local presence ensures fast response times and a deep understanding of regional business needs.
Why Choose GMD Security
- Certified Installers – All systems meet British Standards and insurance requirements.
- Tailored Solutions – Each installation is designed around your business layout and operations.
- Advanced Technology – We use trusted equipment with smart features and remote access.
- Reliable Support – From emergency call-outs to routine maintenance, we are always ready to help.
Best Practices for Business Intruder Alarms
- Regular Servicing – At least twice a year to ensure compliance and reliability.
- Integrated Security – Combine alarms with CCTV and fire alarms for full coverage.
- Employee Training – Make sure key staff know how to operate and test the system.
- Clear Signage – Deters intruders and helps meet insurance requirements.
5 Frequently Asked Questions
1. Are intruder alarms required by business insurance?
Most insurers demand a certified system or offer significant premium reductions for approved alarms.
2. Can alarms cover multiple buildings or sites?
Yes. Our systems can be networked to protect multiple premises under one easy-to-manage solution.
3. How quickly can you install a new alarm system?
Many installations are completed within days, and we plan larger projects for minimal disruption.
4. Can alarms integrate with CCTV and access control?
Absolutely. We specialise in multi-layered security combining alarms, CCTV and door entry systems.
5. Do you provide 24/7 monitoring and emergency call-outs?
Yes. We offer round-the-clock monitoring and rapid response across Hampshire and West Sussex.
Secure Your Business in 2025
A modern intruder alarm is more than just a deterrent—it’s an essential part of your risk management and insurance strategy. With GMD Security, you get expert design, professional installation and dependable maintenance, giving you complete peace of mind.
Contact us today for a free site survey and quote and find out how we can protect your business with the latest intruder alarm technology.
