Sydney, Australia - April 16, 2022: York street viewed towards South with the Sydney Queen Victoria Building on the left and modern skyscrapers can be seen on the background on a day

One-stop shop for Cloud, Support and Security

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Keeping your IT Security Safe and Compliant

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We don’t just support IT. We secure what matters

Dedicated IT support for seamless operations to our Australian clients for over 20 years

We partner with Australian organisations to deliver secure, reliable IT and Cloud services.
As an ISO 27001 certified provider, information security and risk management are embedded in everything we do.

Our clients include legal firms, financial services, not-for-profit, insurance and renewable energy organisations.

We offer a wide range of services, including short‑term IT outsourcing, managed services, cloud migrations, security and compliance solutions and customisation across Microsoft platforms.

Our Team

Skilled, approachable engineers who make IT easy to work with

Experience

20+ years supporting Australian organisations across all states.

Flexible Service

Enterprise grade capability, delivered with personal,
responsive support.

Our Clients

A diverse mix of global and locally based teams who stay with us long term.

Cyber Security

ISO 27001 certified. Security and risk management embedded in everything we do.

Cloud / Support / Security

While our core offering is IT support and services, our clients choose us for more than just technical delivery. They value our accessibility, streamlined structure, and prompt, client focused service.

With over 20 years of experience supporting organisations of all sizes and industries, we provide:

  • Ongoing strategic advice tailored to your operational needs
  • Advanced expertise in cyber security, compliance, and infrastructure
  • Clear communication across technical and executive levels

We don’t just solve problems – we build confidence, continuity, and trust.

We provide peace of mind by ensuring your IT needs are in expert hands, freeing you to focus on your business.

Our clients value our accessibility, streamlined processes, and responsive service.

How our IT services help your business and your team

Maximise uptime, enhance security, and streamline operations with fully managed IT services from City Systems.

Whether you’re concerned about securing your data, moving to new premises or are considering upgrading your systems, we can help you.

Who we work with