Application modernisation

Modernising legacy software

Unlock greater value from current investments by modernising your existing applications and legacy software. Our solutions boost your applications with new capabilities and the flexibility to grow, ensuring your technology is ready for what’s next.

of our projects are delivered on budget

Application modernisation solutions that deliver real impact

Drive business growth by modernising your digital infrastructure, without a full rebuild. Our Azure experts refactor existing apps to add new value, optimising for performance and seamless integration across your cloud environment. The result—scalable, resilient and future-ready systems


Solutions architecture

Our solution architects, led by an Enterprise Architect and backed by senior experts, are hands-on throughout the project lifecycle. From strategy to deployment, our team will align solutions with your processes to maximise performance, scalability, security and ROI. 

Let's talk about solutions architecture  

Our solutions architecture expertise:

  • Advanced cloud-native design
  • Enterprise integration architectures
  • Large-scale portal architectures
  • Foundational AI integration architecture


Application development

Using Azure modernisation, we refactor applications to deliver enhanced capabilities fully integrated within your cloud environment. Our solutions tackle complexity and lay the foundation for intelligent, enterprise-grade ecosystems that drive efficiency, innovation and real business value.

Let's talk about application development  

Our software development expertise:

  • Full-stack proficiency
  • Cloud-native development
  • Legacy application transformation
  • Microservices architecture


Enterprise integration services

In today’s connected world, seamless integration is key to automation and real-time data flow. We build secure, high-performance Azure-based solutions that unify systems, automate workflows, and enable smart, secure information exchange across your enterprise. 

Let's talk about enterprise integration  

Our enterprise integration expertise:

  • API management (API-M)
  • Azure service bus
  • Event-driven architectures
  • Microsoft AI foundry integration


Citizen portals

We design intuitive, secure digital portals that boost citizen engagement and streamline public services. Our team delivers complex, scalable solutions using Angular or Blazor front-ends with .NET or Dataverse backends—ensuring responsive, user-focused experiences across services. 

Learn more about our portal accelerator  

Our citizen portal expertise:

  • Large-scale portal development
  • Secure information capture
  • Process automation through portals
  • Backend integration
Gerry Penrose, Codec

“The best-fit business applications are often the ones you build yourself. Whether creating new applications or expanding capabilities for existing solutions, we offer end-to-end support that balances costs, resource utilisation, and long-term value creation.”

Gerry Penrose

Azure Product Manager, Codec

Download our application modernisation brochure

Business impact of application modernisation

Application Modernisation solutions by Codec

Legacy applications lower the ceiling on your organisation’s cloud capabilities. Application modernisation takes a strategic approach to creating new value and performance from those solutions, building upon legacy functionality to quickly deploy powerful applications at a minimal resource investment for your business.

  • Faster to market development
  • Cloud native development
  • Increase reliability through test driven development
  • Reduction in technical debt
Let's talk about application modernisation  

Modernising applications of Ireland's leading organisations

For large organisations built upon legacy infrastructure, modernisation is often the more cost-effective approach to digital transformation. Our expertise in guiding these modernisation projects has led to long-term partnerships with some of the largest Irish companies.

See all client success stories  
NTA logo
SISK Logo
RCPI
Toyota Logo
Irish Water Logo
Exyte
Tusla-logo
dept of transport
“The resource cost and logistical limitations of our on-premise servers created a financial drag on our ability to modernise applications and develop new projects. Our Azure migration eliminated these constraints, delivering new development tools and capabilities across our organisation.”

IT Infrastructure Manager

Major Financial Services Provider

The Codec Way of delivering impact

The right technology is only part of any organisation’s recipe for success. The right expertise and methods are also required to maximise the value of these investments. Through our unique project delivery framework, our experts accelerate project performance and value through a holistic approach to innovation and delivery.

More about The Codec Way  
Impact is only possible when delivery is sorted

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