Reconstructing software to gain greater control over processes, costs and further development
Many organisations use software that once worked well but is now less suited to the way teams work today. A platform, SaaS solution or in-house system may still support crucial processes, but flexibility is declining, licence costs are rising and further development is becoming increasingly difficult.
This raises a logical question: should we continue to work within the limitations of the existing software, or is building a new solution a better route?
DTT helps to clarify this decision and translate it into a solution that better aligns with processes, maintainability and future growth.
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The benefits of this service
Clarity on which parts of the current software actually deliver value
An informed choice between continuing to adapt or building the software from scratch
Control over costs, dependencies and development pace
A more streamlined foundation offering greater maintainability and room for growth
How we work
01
We investigate what actually works in the current software
We identify which processes, functionalities and integrations deliver value on a daily basis. In doing so, we look at where outdated software is causing delays, which parts have become unnecessarily complex, and where dependencies on suppliers, modules or historical choices are limiting the scope for change.
02
We determine whether rebuilding the software is the best approach
We then assess whether further development still makes sense, or whether rebuilding the software offers greater control over functionality, costs and flexibility. We take into account technical debt, maintainability, scalability, user needs and the role of existing data and integrations.
03
We translate this into a concrete plan
We develop the outcome into a realistic approach with scope, priorities and phasing. This creates a path in which replacing an existing system or rebuilding software becomes administratively justifiable and technically aligned with the organisation’s next phase.
What can you expect?
An informed choice for the future of your software
Re-engineering software is particularly relevant when existing software no longer meets today’s practical needs. This service clarifies which core elements should be retained, where complexity has become a burden, and whether a complete rebuild or targeted application modernisation would deliver greater value than continuing to make adjustments within the same constraints.
Rebuilding software around the features that really make a difference
The best approach is rarely to completely replicate an existing package. Usually, the value lies in rebuilding the core: the features, process logic and integrations needed on a daily basis. This creates a solution that is more compact, better suited to the organisation and carries less baggage from the past.
A new foundation for further growth and better management
When software is rebuilt from scratch, there is greater scope for maintainability, scalability and more modern integrations. This makes it easier to continue developing, further improve processes and structurally improve management without being held back by the limitations of outdated software.
Frequently asked questions
When is it better to build new software from scratch rather than keep modifying existing software?
Building new software becomes a viable option when existing software imposes too many structural limitations. Consider rising licence costs, limited flexibility, a lot of unused functionality, technical debt, or a supplier that dictates the pace of change. In such situations, a new solution offers greater control more quickly than continuing to optimise within the same constraints.
What does software re-engineering mean in practice?
Software re-engineering means rebuilding the components that deliver real value, rather than copying an existing system one-to-one. Processes are better supported, unnecessary complexity is eliminated, and the new solution is better aligned with current user needs and future growth.
When should you opt to rebuild an existing system?
Rebuilding software becomes a viable option when an existing system still contains the necessary business knowledge but is becoming increasingly outdated, either technically or functionally. This is often the case with legacy software, heavy-duty packages with a lot of bloat, or in-house applications that have become difficult to maintain.
How do you determine whether legacy software is still fit for the future?
This starts with an understanding of usage, technical dependencies, maintenance costs, scalability, and the extent to which new requirements can still be implemented efficiently. The question of how much of the current software is actually being used also plays a part in this assessment.
Can an existing system also be replaced in phases?
Yes. In many cases, a phased approach is actually the best way forward. First, the core system is rebuilt, followed by additional functions or integrations based on priority, risk and usage. This ensures that business continuity remains manageable whilst the organisation modernises.
Does DTT also assist with the design and development of the new solution?
Yes. DTT not only helps to determine whether software re-engineering is the right choice, but also applies that conclusion to the design, development and further implementation. This ensures that analysis, software re-engineering and implementation are logically aligned.
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