
The Nexus difference
New systems when you need them.
Smart repairs and upgrades when you don't.
20+
YEARS' EXPERIENCE
LOCAL
ADELAIDE BASED
200+
SITES SECURED
CUSTOM
INSTALLATION & SUPPORT
THE RIGHT SECURITY STARTS WITH THE RIGHT QUESTIONS.
A new property may need a complete security system designed from the ground up. An established property may need expanded coverage, modern technology or attention to an existing fault.
At Nexus Security, we start by understanding how your property is used and what you need the system to achieve.
From there, we can recommend a custom solution, whether that is is a new installation, a quality upgrade or a practical repair.
For instance, an older system can still have useful parts. Sometimes the issue is one small fault; sometimes the whole setup has stopped performing as it should. And sometimes a new system is the best fit for the property.
Whatever the situation, we take the time to look at it properly. We listen to what you need, assess any equipment that's already there and explain all your options in simple, straightforward terms.
THE RIGHT SOLUTION STARTS WITH THE RIGHT QUESTIONS.
DO YOU NEED:
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SECURITY FOR a new home, business or development?
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better visibility, access or remote control?
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AN existing system expandED or modernisED?
Whatever the situation, we take the time to ask the right questions and look at it properly.
We listen to what you need, assess any equipment that's already there and explain all your options in simple, straightforward terms.
INSTALL IT. IMPROVE IT. RESTORE IT.
The right recommendation depends on the property and the outcome you're looking for.
RESIDENTIAL HOMES
UNITS & APARTMENTS
COMMERCIAL PROPERTIES
MULTI-APARTMENTS
STRATA COMPLEXES
DESIGN A NEW SYSTEM
Purpose-built alarms, CCTV, intercoms, access control and monitoring for a new property or fresh security setup.
UPGRADE AN OLD SYSTEM
Expand coverage, add modern features or improve the parts of an existing system that have failed or fallen behind.
REPAIR AN EXISTING SYSTEM
Identify faults, service equipment and restore reliable operation when an existing system remains suitable.
DELIVER RELIABLE SUPPORT
Ongoing servicing, monitoring and local support to keep your security system working reliably long after installation.
NOT SURE WHAT YOU MIGHT NEED?
ONE PROVIDER. COMPLETE COVERAGE.
From new installations to upgrades, expansions or repairs, every security solution we deliver is custom designed around your property. We recommend the right systems and support, in the right places, at the right time - so you can move forward with complete confidence.
ALARM SYSTEMS
Fully custom security alarm systems designed, installed and supported to work for your residential or commercial space.
includEs
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New Alarm Installations
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Existing Alarm System Upgrades
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Alarm Servicing, Fault FInding & Repairs
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Backup Batteries
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Communication Equipment
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Remote Access & Control
CCTV SURVEILLANCE SYSTEMS
Get clearer visibility around the places that matter, with new or upgraded CCTV surveillance systems designed to keep eyes on your most valuable assets 24/7.
includEs
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New CCTV Installations
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CCTV System Upgrades
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System Expansion & Additions
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Remote Viewing
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Mobile Phone Access
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Fault Finding & Servicing
starlink & CONNECTIVITY
Get the most out of your high-speed Starlink satellite internet with a clean, reliable and professional setup. We'll configure everything you need for flawless connectivity.
includEs
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Main Starlink dish & router setup
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Strategic placement of Wi-Fi mesh nodes
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Heavy-duty mount solutions
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Expert troubleshooting & tuning
security monitoring
Add an additional level of protection with our professional security monitoring service, designed to help keep your alarm system connected when it matters most.
includEs
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Residential Security Monitoring
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Commercial Security Monitoring
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Plant & Equipment Monitoring
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Monitoring System Upgrades
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Communication Equipment Supply & Servicing
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Ongoing System Support
GOOD SECURITY BEGINS WITH GOOD ADVICE.
Good security doesn't have to be complicated. But it does have to begin with the right information and advice.
We always start by looking at what your property needs and what infrastructure you're already working wtih - if any - before drawing on our extensive experience to determine the right system or service for the job, and give you the best, most effective advice.
THOROUGH EVALUATIONS
Before making any recommendations, we evaluate your property and existing equipment. Some components can be retained, others cannot. If something must be replaced, we will provide you with an explanation.
ONSITE ASSESSMENTS
We will assesses the property and any security measures that may have already been implemented to understand exactly what is required.
PRACTICAL RECOMMENDATIONS
We will explain our recommendations, along with the price, clearly. You won't receive any unnecessary information, nor will you be pressured to make a decision. And you may not even have to replace your entire system!

LOCAL KNOWLEDGE.
PERSONAL SERVICE.
Nexus Security is an Adelaide based company that operates throughout metro Adelaide and beyond.
With over 20 years' experience working on properties all over the city, we have a good understanding of how properties are constructed and used, and also, where security failures usually occur.
From large apartment complexes to family homes, we specialise in supplying, installing, servicing, repairing and upgrading electronic security systems for residential and commercial customers.
Our extensive knowledge and laser focus on reliable equipment and personal, ongoing support allows us to listen to your needs, assess your specific requirements and recommend the best, most practical solutions that suit your exact requirements.
Plus, when you call us, you'll always talk to a real, local person - someone who knows your system, or can come out and personally inspect it, not an interstate call centre or offshore help line.
1
ADELAIDE BASED
Support or advice is never more than a phone call or short drive away - instead of a ticket number and a long wait.
2
LOCAL KNOWLEDGE
Years of working on properties right across South Australia means we've likely dealt with a property like yours before and can understand and predict any issues that likely to come up with it.
3
CONSISTENCY & COMMUNICATION
The person who quotes your job is the same person who will do the work on site and also the person you talk to if there are any issues later. From first meeting to final handover, we take full responsibility for the standard of service we deliver, esuring the quality of our service and after-installation support is second-to-none.
4
LONG TERM PARTNERSHIPS
Many of the people and businesses we work for have been with us for years. We know their properties, we know their systems and we've learned how they use them. When something needs attention, there's no starting from scratch.
LOCAL KNOWLEDGE.
PERSONAL SERVICE.
Nexus Security is an Adelaide-based security services provider with over 20 years' experience in the security industry.
From large apartment complexes to family homes, we specialise in supplying, installing, servicing, repairing and upgrading electronic security systems for residential and commercial customers.
Our extensive knowledge and laser focus on reliable equipment and personal, ongoing support allows us to listen to your needs, assess your specific requirements and recommend the best, most practical solutions that suit your exact requirements.
1
INTEGRITY FIRST
We do what we say. Every installation, every report, every interaction is handled with complete honesty and accountability - no exceptions.
2
PEOPLE OVER PROCESS
Our personalised service is our gretest asset. We know that choosing the right security system is of utmost importance. That's why nothing we do is cookie-cutter. Every system we recommend is tailored to your exact situation.
3
ACCOUNTABILITY AT EVERY LEVEL
From first meeting to final handover, we take full responsibility for the standard of service we deliver, esuring the quality of our service and after-installation support is second-to-none.
4
CLIENT PARTNERSHIPS
We work as an extension of your organisation - learning your environment, understanding your risks and adapting our approach as your needs evolve.
WHAT OUR CLIENTS SAY.
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"Nexus security services installed my alarm 5 years ago and have been very happy with their services , particularly the after sales and installation service. David is such a friendly, helpful and professional person. I very highly recommend this local business for all security services"
PATRICIA w.
GOOGLE REVIEW
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"Lorem ipsum dolor sit amet consectetur adipiscing elit et mollitia ullamco assumenda optio eu qui pariatur sed similique illum soluta cillum eiusmod irure pariatur omnis irure minim autem qui magna non possimus enim incididunt culpa est praesentium amet id voluptate"
RACHEL A.
GENERAL MANAGER
Frequently Asked Questions
Answers to the questions we hear most often.
If yours isn't here, contact us directly - we're always happy to talk.
Yes, we are fully licenced, insured and qualified to look after all your security needs. Our licence number is ISL 178534
Not at this stage. We provide professional security services right throughout Adelaide and South Australia.
Contact us for a consultation. We'll assess your needs and provide a tailored security solution.
Absolutely! We can assess your existing system, even if we didn't install it, and let oyu know what it needs to keep it working perfectly
Our onsite assessments are $XXX+gst. This fee includes the in-person visit and a comprehensive recommendation report that contains everything we think you'll need to cover all your security bases.
Yes. Our services are tailored to businesses of all sizes and requirements.
LET'S TALK SECURITY.
Every site is different. Every client has specific requirements. Get in touch to enquire about our security services, or book in an onsite security assessment and we'll build a proposal around your exact needs.
SECURITY SERVICES CONTACT
0407 601 107
GENERAL ENQUIRIES
SERVICE AREAS
Adelaide Metro, Greater Adelaide & fleurieu Peninsula
