Australia's Leading Custom Software, Apps, Integration & Database Developer

Specialised Application Management for Australian Businesses

C9 Application Services: reliable consultancy, 24/7 support, and maintenance to maximise ROI and availability.

Let's Work Together

Maximise Your Software Investments With C9's Application Services

Do your apps struggle with uptime and relevance? C9 provides complete application maintenance and support for Australian businesses. Our skilled developers deliver ongoing management to optimise reliability, performance, security and new capabilities.

Ensure your technological & organisational transformation with C9 digital transformation services

Boost Uptime And Speed With C9's Application Services

Are your apps plagued by crashes and lag? C9's tailored application support maximizes reliability and performance. Our Australian experts provide proactive monitoring to reduce downtime risks. We quickly diagnose issues and implement the fastest fixes and optimisations. Partner with the leading specialist to bulletproof your software uptime and speed. C9 handles maintenance, troubleshooting, patches, enhancements, and more - keeping your apps at peak condition. Reduce business disruption and unlock new potential with optimised application management.

Fortify Your Applications With C9's Security Services

Are your apps vulnerable to threats? C9's tailored application support strengthens end-to-end security. Our Australian experts provide patching, hardening, monitoring, and testing to identify and close risks. We implement robust defenses, access controls, and best practices. Partner with the leading specialist to bulletproof your software against attacks. C9 handles firewall configuration, encryption, compliance processes, and more – safeguarding your data and reputation. Reduce business disruption and unlock new potential with optimised application security.

Deliver Seamless Experiences With C9's Application Services

Do your apps frustrate users and customers? C9's tailored application support optimizes their experience and satisfaction. Our Australian experts analyse feedback and usage data to identify improvements. We quickly implement enhancements, intuitive interfaces, and helpful support resources. Partner with the leading specialist to consistently wow your users. C9 handles UX design, how-to guides, training, and more – ensuring ease and delight. Increase adoption, engagement, and loyalty with optimised applications designed around your users’ needs.

Boost Productivity and Profits

Do app issues eat into your bottom line? C9's tailored application support reduces downtime, security risks, and frustration - slashing costs. Our experts optimise performance, integrate new capabilities, and exceed user expectations – increasing productivity. Partner with the leading specialist to maximise profitability. C9 enhances efficiency through ongoing maintenance, patches, helpdesk support and more – delivering value for money. Unlock your budget potential with optimized applications aligned to your changing business needs.

Boost Your Business with Reliable Application Maintenance & Support

In today's competitive market, a seamless user experience is crucial. C9's Application Maintenance & Support services ensure your applications run smoothly, delighting customers and driving growth. Our expert Australian developers provide proactive support and maintenance, fixing bugs, implementing updates, and optimising performance. Increase customer satisfaction, loyalty, and market share with C9's trusted expertise.

Is your software holding your business back? Imagine applications that run flawlessly, keep customers happy, and fuel growth. C9's expert Australian developers provide comprehensive Application Maintenance & Support, ensuring your software delivers a competitive edge. We fix bugs, optimise performance, and implement seamless updates, so you can focus on what matters most: running your business.


  • Reduced downtime: No more disruptions, lost productivity, or frustrated customers.
  • Enhanced performance: Blasing-fast speed and smooth operation for everyone.
  • Improved security: Protect your data and stay ahead of threats with proactive updates.
  • Increased user satisfaction: Happy users mean loyal customers and repeat business.
  • Reduced costs: Avoid costly downtime and unexpected repairs with preventative maintenance.

Don't let outdated or poorly maintained software hold you back. Partner with C9 today and unlock the full potential of your applications.


What Our Clients Say

Hear from business owners and executives who have trusted us to build their custom software solutions.

View More

Profile Image

“We have been working with C9 for close to 3 years. During this time C9 have helped us develop and maintain our website to our needs in a professional manner. They assisted with our online application process resulting in a streamlined process for our online customers. C9 has produced a cost effective solution to meeting our online sales and exposure.”

Phil McMaster, Director - Car Loan Xpress
Profile Image

"C9 is a very capable web design and technology company with a vibrant and enthusiastic team. In my experience C9 provide innovative & creative solutions, a high level of customer service and excellent communication. I find C9 to be very reliable and accessible. The team at C9 has a strong awareness of an individual’s needs, how to optimise growth potential and the evolving needs of a strong web presence. I highly recommend C9."

CARLTON COX, Owner - &
Profile Image

"C9 updated and upgraded our rusty old site to a more user friendly format. Our site is unique with international clients and visitors, capturing book sales orders from around the world, proprietary site newsletter capabilities, and a large volume of past articles and newsletters. Ongoing support has been very good. Marcus Eddy is thorough and professional, and a pleasure to work with."

DAVID TANZER, International Lawyer Owner & Director - David A Tanzer & Associates, PC

Trusted by Some of the

Australia's Leading Businesses.

See who we've helped build successful custom software solutions for.

Price Waterhouse Cooper
Rud Group
Australis Asset Advisory Group
Delta Panels
Inner Range
Brisbane Markets Limited
Avocados Australia
Sulzer Group
Commercial Radios Australia
CSIRO Data 61
Compare the Market
University of Queensland
Professional Hospitality
ISG Funds
Bonney Group
Specialist Electrical Solutions
Projects & Case Studies Monitor

We Believe Our Work Speaks for Itself. 

See how we've helped businesses of all sizes achieve their goals with custom software solutions.

Our Work

Keep Your Software Running Smoothly

Our ongoing support and maintenance ensures peak uptime and performance

Element Visual

The C9 Advantage

C9 is dedicated to delivering high-return projects, and we take pride in our client’s long-term loyalty. This is a testament to our quality, professionalism, and the exceptional experience you can expect when working with us.

  • Customised approach
  • Expert Team
  • End-to-end Services
  • Focus on User Experience
  • Ongoing support and maintenance
  • Proven Results 
  • Exceptional Experience
  • Customer-First Mindset

Start Your Project

  • 35+


  • 350+


  • 100+


  • 16+



Application Maintenance & Support FAQs: Get the Answers You Need

Application maintenance and support is the process of keeping a software application running smoothly and efficiently. This includes tasks such as:

  • Fixing bugs and defects
  • Applying security patches
  • Making performance improvements
  • Adding new features and functionality
  • Providing user support

Application maintenance and support is important for a number of reasons, including:

  • Ensuring the reliability and availability of the application: A well-maintained application is more likely to be reliable and available, which means that users can access the application and the data they need when they need it.
  • Improving application performance: Application maintenance and support can help to identify and address performance bottlenecks, which can improve the speed and responsiveness of the application.
  • Protecting data integrity and security: Application maintenance and support can help to implement security measures to protect the application from unauthorized access and data corruption.
  • Keeping up with changing business needs: As business needs change, applications may need to be updated or modified. Application maintenance and support can help to ensure that applications are kept up to date with the latest business requirements.

There are a number of benefits to working with a software development solutions agency for application maintenance and support, including:

  • Expertise: Software development solutions agencies have a team of experienced and certified developers who can help you with all aspects of application maintenance and support.
  • Scalability: As your business grows, your application maintenance and support needs will also grow. A software development solutions agency can help you scale your application maintenance and support team to meet your needs.
  • Cost-effectiveness: Outsourcing your application maintenance and support to a software development solutions agency can be more cost-effective than hiring and managing your own development team.

Comprehensive Application Management Post-Launch

Our experts deliver continuous enhancements, updates, and 24/7 monitoring