Most small businesses don’t realise their IT systems are a risk until something stops working, data is lost, or a cyber issue hits.
At Reliable Computers, we help Sydney businesses stay secure, productive, and stress-free by proactively managing their IT — not just fixing problems when they happen.
Based in Oatley, we support businesses across the St George area and Sutherland Shire with fast, reliable local service.
We specialise in:
• Managed IT Services (proactive monitoring & support)
• Cybersecurity & Data Protection (protecting your business from real-world threats)
• Microsoft 365 Setup, Security & Migrations
• Cloud Backup & Business Continuity
Our focus is simple — reduce downtime, improve security, and give you confidence that your systems just work.
With over 20 years in business and a strong local reputation, we work with businesses that want dependable IT support without the stress.
Need a second opinion on your IT setup?
Book a free IT health check or Microsoft 365 security review.
Nextgen: Your Path to Innovation
1. IT Consulting and Resourcing
2. Business Development-as-a-Service
3. Flexible Human Capital
4. Software Development
5. Annual Maintenance contract , Nextgen Service Desk
6. Automation and IOT Services
7. Procurement Services
Secure Technology Group (Australia) Develops and implements IT systems for Clients requiring specialised solutions. Our business includes Security systems integration on large scale CCTV and Alarm/Access Control Installations, as well as general Application Development through to home user support.
IT CONTRACTING
Selected by Johnsons Controls to review, audit and re-engineer Wireless Network using Cisco Wireless solutions, and implement IP addressing scheme to Sydney Buses.
Selected by Woy Woy Public School to Implement Upgrades from Win2k domain to Win2k3.
SOFTWARE DEVELOPMENT
Selected by Flonix IT solutions to create a custom solution to capture web-cam images and interface to a aging software and provide final comparison images (Scotland Area, NHS).
Building various OpenSource applications, available on our website
ELECTRONIC SECURITY CONTRACTING
Consultation, Installation & commissioning of type 1 alarm systems (cardax) for several clients from large sites with 50+ buildings to small but highly complex installations and everything in between.
CCTV, Alarm & Access Control installation Supervision, Programming, Setup, Commissioning & Handover for a New Rail Maintenance Facility.