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:

Fast response, thank you!

Insurance Specialists

Matt was very helpful and personable and was able to get the issue sorted relatively quickly.

Baked Goods Wholesaling

He was really helpful and took the time to work out the problems

Emerging Mining Company

Good speed and accurate execution

Multinational Employment Compliance Authority

The Issue I was facing was solved by them very efficiently.

Gold Mining Company

Fast and efficient service. Problem resolved quickly

Medical Provider

Responsive and problem appears to be fixed.

Integrated Energy Operator

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

SME Finance Specialists

Got me back up and running, but is still looking into why it happened.

Industrial Engineering firm

Very prompt attention

Architectural Firm

Completed quickly and efficiently

Private Member Organisation

Excellent work in resolving my malicious email issue promptly.

International Retail Brand

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

Insurance Brokerage

Quick to diagnose the issue and resolve it

NSW Charity

Quick reply

Institutional-Scale Grower

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

Specialist Medical Clinic

Knowledgeable and quick to respond to issue - thank you

Mining Workforce Solutions

Chee assisted to get all the network config working at our new branch site, thank you so much!!

Community Health Services

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

Strata Management

Prompt reply / service

Food Packaging Supply

Communication on the work flow from start to finish was exceptional

PNG Gold Mine

Problem was sorted with one phone call

Food Manufacturing

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

Premium Hospitality Provider

Great outcome - did what I needed. On point! Many thanks

Cloud Technology Specialists

Very patient.

Junior Mining Company

Quick response, good communication

Transport Analytics Firm

Calls are always answered quickly and support is provided with good results.

Equipment Finance Brokerage

License was applied quickly and user did not lose productivity

Project Builders

Gav is an absolute IT weapon!!

Members Association

Good job Jason and Matt

CSG Project Operator

Fast and easy!

Safety RTO

Worker was patient and helped resolve the issue in a timely manner

Mining Construction Co.

Fast competent service

Family Office

Quick and helpful

International Charity

Good customer focused and well mannered.

Electrical Infrastructure Provider

Great service today Christian. Thank you!

Energy Co.

The service is always great and the technical people are human and understand.

Business Equipment Brokers

Absolutely effortless and a pleasure to deal with

SEQ Mining Co.

Professional and patient, solved the issues easily.

NSW Not for Profit

Your team were very prompt and helpful on my issue this morning. Particularly working with my availability of access to the pc.

Commercial Finance Brokers

Nicholas was great to deal with.

Global Ag Supplier

Good advice following listening to the request and finalised in an acceptable time frame.

Global Resource Group

Support was great and very patient with me. Thankyou

Gym Chain Operator

Matt was a great help, the system is running great

Baking Goods Supply

Quick assistance on this one, many thanks,

Global Cargo Operator

Support was good, and quick response

Cloud Software Provider

Great communication and had the problem solved quickly

Carpet Import/Wholesale

Fast and efficient

Transport Planning Consultants

Daniel was excellent

Underwriting Insurers

Excellent response and finalize the issue.

SEQ Construction Firm

I am able to use my laptop freely now 🙂

National Home Furnishing Retailer

A successful outcome of being able to login remotely

ASX Miner

Thank you, working now.

SEQ Strata Manager

Jack helped solve the problem quickly.

Infrastructure Advisory Firm

Michael was very quick to respond and fix my problem

Agricultural Irrigation Systems

Very fast competent help

Private Office

The problem was resolved, but it took going to Level 2.

Commercial Risk Insurer

Because the problem is finally fixed and my day is so much more productive and less stressful. Thank you again.

QLD Law Firm

Good job sharepoint gurus 🙂

Mid‑Tier Gas Producer

Issues resolved promptly and efficiently and appropriate follow up completed

Alcohol & Drug Support

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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 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
July 28, 2026
What Is the COBIT Model?

What is the COBIT model, and why are leading organisations influenced by it to govern enterprise technology?
This article explains how Computer One applies a holistic assessment framework to evaluate more than 60 areas of IT management, helping businesses improve visibility, reduce risk, and align technology with strategic goals.

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