Security & Alarm Systems in Newcastle

Secure Your Peace of Mind

At On Guard Security, we understand that your sense of safety is paramount. Whether you're a homeowner or a business owner, we know the importance of reliable and affordable security systems to protect what's precious to you. Our security and alarm systems service is not just about technology; it's about granting you peace of mind and the confidence that your property is under vigilant watch, every hour of every day. Our expertise spans over two decades, ensuring that every installation or maintenance service we provide is not only comprehensive but also tailor-made to fit your specific needs. We pride ourselves on our ability to offer customisable solutions that integrate seamlessly with your lifestyle or business operations. 


For unwavering security, reach out to us on 0409 656 398. Our service areas include Newcastle, Lake Macquarie, Maitland, Merewether, Warners Bay and the Central Coast.

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Alarm System Essentials

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When it comes to safeguarding your property, the details matter. On Guard Security offers alarms and security systems that stand as your first line of defence against potential intruders. Here's why our systems are indispensable for your peace of mind:


  • Custom Security Solutions: We design alarms that are tailor-fit for your home or business, ensuring that every corner of your property is monitored.
  • Advanced Technology: Our systems feature the latest in security technology from trusted top brands, providing you with cutting-edge protection.
  • 24/7 Monitoring: We don't clock out. Our security systems offer round-the-clock monitoring, so you can rest easy knowing your property is always under watch.
  • Professional Installation: Our installations are carried out by hardworking, skilled technicians, ensuring that your system is set up accurately and efficiently.
  • Ongoing Support: Reliable post-installation support means if you ever encounter an issue, we're just a call away.
  • Scalability: As your needs grow or change, our alarm systems can be scaled to match, providing productive long-term security.


On Guard Security is not only dedicated to installing alarms and security systems but also to maintaining the integrity of your security setup over time. For a detailed consultation and to secure a system that works just as hard as you do, dial 0409 656 398 today.

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FREQUENTLY ASKED QUESTIONS

  • Do I need a security system?

    In this day and age, we will always recommend a home security system for peace of mind at home and at work. You may not feel that a security system in Newcastle is necessary, but life may have other plans and crimes of opportunity do happen.


    A security system will provide that added layer of safety for your home and office while deterring would-be thieves or intruders.

  • I’m looking for a particular security system brand. Can you help me?

    At On Guard Security, we are proud to work with a wide range of security system brands, chosen for their high-performance capabilities and industry-leading standards.

  • What types of security systems do you install?

    Our security system solutions are varied, and our expert team will take you through the best options for your home or business. We install and service CCTV systems, security cameras, intercom systems and alarms. 


    We also offer top-tier services that include 24-hour monitoring and response, so that no matter the time of day or night, you can rest assured there are eyes on your property.

  • Will you regularly service my Newcastle security system?

    Annual (or bi-annual for monitoring systems) servicing and maintenance of security systems is necessary to ensure that your system is performing to its maximum potential and providing the security you need.


    On Guard Security offer servicing of Newcastle security systems across a range of brands, makes and models. Our engineers will make sure your system is functioning at full capacity.

  • Our business needs a security system. Do you provide commercial solutions?

    Absolutely. We install and maintain security systems for both residential and commercial properties across Newcastle and its surrounds.


    Be it a shop, restaurant, office, warehouse or any other commercial venture, our security solutions ensure you can always have an extra set of eyes and ears on your premises. 

  • What if my network and cabling aren’t up to par?

    Depending on the security system you opt for, we will handle all associated cabling and network setup as part of your system’s installation.


    We can repair and service phone lines, organise network cabling and troubleshoot any issues from the outset. 

  • How much do your security solutions cost?

    Our Newcastle security systems are cost-effective and priceless for the peace of mind they provide to home and business owners.


    Depending on your choice of system, installation costs start at around $800 for small-scale residential systems. Broad-range systems that cover large homes and businesses with additional monitoring require a larger initial investment.

Locations We Service

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