Enterprise-grade IT services, security, and strategy for mid-sized Australian businesses.

Computer One provides IT services that support and improve the systems, infrastructure and security Australian organisations depend on to operate every day. From responsive service desk support through to managed IT services, disaster recovery, cloud services and cyber security solutions, we keep business systems stable, secure and running as they should.
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Comprehensive IT Services

Computer One provides IT services across the full lifecycle of business technology. From responsive service desk support and cyber security management through to infrastructure projects, cloud services and hardware supply, we help organisations maintain stable, secure and well-managed IT environments.

Our team provides ongoing support, proactive monitoring and practical technical expertise to ensure business systems remain reliable and aligned with operational requirements.

With Australian-based engineers available whenever support is required, organisations gain consistent, accountable IT services that keep technology running smoothly and support day-to-day business operations.

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Proactive IT Services with Fast Response

Australia-wide

From city data centres to a dusty mine site near Mt Isa, the white beaches of the Solomon Islands and even the muddy jungles of PNG, Computer One supports organisations wherever their operations take them.

Our engineers work across a wide range of settings, providing both on-site and remote support to keep business systems operating reliably. With a proactive approach to IT management and ongoing system oversight, we help organisations resolve technical issues quickly while maintaining stable, secure IT environments.

When you talk to Computer One, you’re speaking with an IT services partner that can design, specify, supply, install and maintain the technology your team relies on. We provide a single, accountable source of IT services for all new and existing systems within your organisation.

What You Can Expect From Computer One

  • Australian-based team delivering support and services locally

  • Service desk team ready to respond within 60 seconds

  • Rapid response engineers available for urgent and emergency issues

  • Proactive IT maintenance to reduce downtime and protect productivity

  • Projects team supporting on-site and complex technology deployments

  • Security services aligned with the Australian Cyber Security Centre’s Essential Eight and other security frameworks

  • Senior solution architects and consultants supporting technology strategy

  • Offices in Brisbane, Sydney and Melbourne
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Why Choose Computer One?

Computer One delivers IT services designed to support the operational demands of mid-sized Australian organisations. Our experienced team works closely with clients to develop practical technology strategies that keep systems stable, secure and aligned with your business objectives.

Through a combination of responsive support, proactive oversight and structured managed IT services, we help organisations reduce recurring technical issues while improving the reliability and performance of their IT infrastructure.

Computer One brings together service desk engineers, solution architects and business technology consultants who work together to support the full lifecycle of your IT environment.

Whether you require cyber security solutions, cloud platforms, automation or additional technical support, Computer One provides the expertise and accountability organisations look for in a long-term technology partner.

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Strategic IT Foundations for Modern Organisations

Proactive IT services that support your internal IT team or operate as your primary provider.

Modern organisations depend on stable, secure IT systems that are actively governed and aligned with operational priorities. Computer One provides structured oversight of IT systems to ensure technology supports operational performance, security requirements and long-term organisational resilience.

Through structured managed IT service agreements, organisations gain consistent oversight of their IT systems, proactive monitoring and clear accountability for how technology is managed across the business.

Computer One helps organisations build technology environments that support productivity, stability and long-term business success. From strengthening security against evolving cyber threats to implementing resilient infrastructure and disaster recovery solutions.

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industry expertise

These Clients Trust our IT Managed Services

Exceptional customer service is one of our core business objectives with managed IT support services, but don’t just take our word for it. Here’s why other Australian businesses trust Computer One as their IT and computer support provider:

Thanks so much for the help troubleshooting, and the quick response. Much appreciated!

Private Health Insurer

Ihave had an issue with Teams for quite some time and Christian was able to resolve this easily and quickly.

Outsourced Strata Management

Fast and efficient

Transport Planning Consultants

Knowledgeable and quick to respond to issue - thank you

Mining Workforce Solutions

Great service today Christian. Thank you!

Energy Co.

Quick action and assistance to request both online and in person.

Mining Company

It just happened without asking twice.

Cargo Logistics Provider

Love your work and understand you are busy with so many requests. 🙂

International Fund Management Co

Absolutely effortless and a pleasure to deal with

SEQ Mining Co.

Good speed and accurate execution

Multinational Employment Compliance Authority

Matt was a great help, the system is running great

Baking Goods Supply

Michael was very quick to respond and fix my problem

Agricultural Irrigation Systems

Actioned straight away and up, running within a few minutes.

SME Finance Specialists

Professional service. Appreciate it. Cheers

Junior Mining Co.

Very helpful, easy to understand and fixed the problem quickly. Thankyou

QLD Social Enterprise

The ticket was resolved in a timely manner which is much appreciated at this time of the year!

Strata Management

My experience with Helpdesk is always great.

National Retailer

Great job

Residential Rehabilitation Service

Friendly, knowledgeable and returned message promptly

Engineering Co.

Jose was friendly, professional and explained what he was doing as he was doing it for my benefit.

Insurance Brokerage

Nick was super efficient and sorted my issue out really quickly. Top bloke

Premium Hospitality Provider

Great service

Agricultural Group

No issues, did what was requested and asked me to check that it was working before logging out of my computer

Metal Fabricator

Requested Friday- completed Monday

500+ Staff Agribusiness

Prompt reply / service

Food Packaging Supply

Support was good, and quick response

Cloud Software Provider

Issue was resolved quickly

Multidisciplinary design studio

Thank you very much Adam. My Monday is now turning into a "happy" Monday.

M&A Lawyers

Great work

Oracle Primavera Specialists

Excellent work in resolving my malicious email issue promptly.

International Retail Brand

Promptly fixed the issue

Farm Irrigation Suppliers

Thank you, working now.

SEQ Strata Manager

Fast service

National Skincare Retailer

Thank you for setting up our new computer for our new team member Natalie

Childhood Education

Very quick and efficient service from Kesh!

NFP Advocacy Organisation

It was fix promptly and very easy to deal with on the phone.

Road Construction Co.

I had to call to get assistance as had marked one issue as urgent - but once I made contact it was resolved satisfactorily by Tommie

Heavy Engineering Co.

Quick response, good communication

Transport Analytics Firm

A successful outcome of being able to login remotely

ASX Miner

Good, quick response

Sprinkler System Manufacturers

Fast response, thank you!

Insurance Specialists

Tommie was very helpful in resolving the problem in a timely manner

Specialist Medical Clinic

Problem was resolved after a number of phone calls and remote access by IT support.

Forensic Accounting Firm

Fast competent service

Family Office

Fixed all issues

Quarrying and Haulage Co.

Communication on the work flow from start to finish was exceptional

PNG Gold Mine

Good job sharepoint gurus 🙂

Mid‑Tier Gas Producer

License was applied quickly and user did not lose productivity

Project Builders

10 for Alvin

Food Manufacturer

Quick and efficient. !

Workforce Management Specialist

Support was great and very patient with me. Thankyou

Gym Chain Operator

Best service ever!

Gas Asset Manager

Issue was found and fixed quickly

Lockyer Valley Grower

Your speedy work is much appreciated

Global Asset Managers

Fast and quick to response

Global employment compliance specialist

Very patient.

Junior Mining Company

Issue is resolved perfectly.

Mining Monitoring Services

Prompt action, well done

QLD RTO

I have found the Technical support provided is exceptional

Mortgage Broker

Jack helped solve the problem quickly.

Infrastructure Advisory Firm

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Three Locations. One number

Whether you need on-site or remote monitoring and support, we’re the managed IT service provider that can help you. We provide technology infrastructure management in Brisbane, Sydney and Melbourne locally, as well as servicing other regions of Australia and the Pacific.
1300 667 871
Brisbane Office
Level 5, 488 Queen Street Brisbane QLD 4000
Sydney
Level 21, 133 Castlereagh Street Sydney NSW 2000
Melbourne
Level 19, 180 Lonsdale Street Melbourne VIC 3000
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One Source of Truth

Keep up-to-date with the latest in IT support and business technology. Here is a selection of our latest articles. Follow this link to see all our Industry News:

September 29, 2026
AI Agent Security Risks: The Medicare Breach Was Access Control Failing

AI Agent Security Risk is rapidly emerging as the biggest cybersecurity challenge facing organisations. Recent incidents highlight how autonomous AI systems can access, process and expose sensitive data in unexpected ways, and how Australian businesses risk becoming vulnerable to a new generation of AI-driven security breaches.

Read More
September 1, 2026
7 Factors to Consider When Choosing an MSP in Australia

This Managed IT Services Evaluation guide outlines seven key criteria for selecting an Australian managed service provider, including response times, cyber security, local support, scalability and co-managed IT. It compares leading providers and highlights what mid-sized organisations should assess before choosing an MSP.

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August 25, 2026
Microsoft 365 Data Classification Best-Practice

Discover why Microsoft 365 Data Classification is essential for data security, compliance and governance.
Learn how data classification, security posture assessments and backup strategies work together to reduce risk and strengthen Microsoft 365 environments.

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August 18, 2026
What Is Application Control?

Application Control or Allowlisting is one of the most effective ways to prevent ransomware and malware attacks. Learn how allowlisting works, why it's a core Essential Eight control, and how modern deployment makes it easier than ever for Australian businesses to strengthen cyber security.

Read More
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