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Software Modernization

Modernizing Legacy Systems

Legacy systems contain valuable domain expertise and proven business logic. That is precisely why it’s worth taking a closer look at what already works. At the same time, new interfaces, higher expectations for performance and availability, and regulatory requirements such as NIS-2 and the Cyber Resilience Act are increasing the pressure on existing applications. At some point, it’s no longer enough to simply keep a system running.

We assess where your software stands today, identify areas that require action, and define a modernization roadmap tailored to your needs: gradual, transparent, and practical.


What You Gain with M&M Software

Software Health Check

Our Software Health Check shows you where your system stands today. Where are the risks? Which components are stable? Where does modernization deliver the greatest value first?

  • Architecture & Code Analysis: Evaluates the structure, modularity, and maintainability of your source code, providing a clear view of how robust your technical foundation really is.
  • Security & Compliance Check: Identifies security risks and, through a CRA gap analysis, highlights what is required to comply with regulations such as the Cyber Resilience Act.
  • UX & Usability Review:Assesses whether the user interface meets today's expectations for efficient, intuitive, and secure operation.

Result: You receive a comprehensive assessment of your system from our experts, clear priorities, and concrete recommendations for the next steps.

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From Refactoring to Modularization

Not every legacy system requires a complete restart. In many cases, it is more effective to preserve existing strengths and evolve them in a targeted way. The right modernization strategy depends on the technical condition of the system, your business objectives, and the desired pace of change.

  • Refactoring improves the structure, readability, and maintainability of the code without changing the application’s functionality.
  • Rearchitecting reorganizes critical components and and establishes a sustainable architecture for future enhancements.
  • Rehosting moves an application to a new operating environment with minimal changes.
  • Replatforming adapts selected technical components to specifically improve scalability, performance, or operational reliability.
  • Application Modularization gradually breaks down rigid monolithic structures, improving flexibility, scalability, and development efficiency.

In our Software Modernization Compass, you will find common modernization triggers from real-world projects, practical examples, and measurable outcomes. A compact resource for anyone looking to better assess the value and impact of software modernization.

Download the Modernization Compass

Software Modernization for a Future-Proof Testing and Validation Platform

AMETEK Dunkermotoren develops motors, gearboxes and intelligent drive systems for industrial applications. By modernising the test software in collaboration with M&M Software, a flexible test platform has been created that can be further developed independently and integrates new requirements and technologies more quickly.

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Software Health Check

Please contact us.

We'll answer your questions:

In software modernization, we evolve existing applications to make them secure, maintainable, and ready for future integration. At the same time, the business value embedded in the software is preserved.

Software modernization is worthwhile when maintenance becomes increasingly complex, security risks grow, enhancements take too long to implement, or outdated technologies begin to hinder operations.

In most cases, no. We modernize systems incrementally and plan implementation activities so that core business processes can continue running throughout the modernization effort.

AI helps us analyze code faster, identify dependencies, and prepare tests more efficiently. However, it does not understand your business, your processes, or the context behind your software. Our experts determine which risks truly matter and which decisions make sense for your situation. AI accelerates the work, but responsibility remains with people.

Through maximum transparency from the very beginning. We start with a targeted assessment of your current system through our Software Health Check and create a clearly prioritized roadmap. You decide step by step which measures will deliver the highest return on investment.

For us, go live is an important milestone, but not the ultimate goal. Success becomes evident when changes can be implemented more quickly, dependencies are reduced, and the team can continue to develop the solution independently over the long term. That is exactly what we achieved together with Dunkermotoren.