Your legacy platform
is not a future liability.
It is a cost running today.

Each month of inaction compounds technical debt, constrains your team's output, and exposes the organisation to security and compliance risk. This tool quantifies the cost of standing still, and models what a structured, AI-accelerated transformation would return over 36 months.

Replatforming · Modernization · Refactoring

See the Three Approaches

Free estimate, results in seconds

  • 65% of IT budgets goes to maintaining legacy systems (Gartner)

  • 3.2× faster time-to-market after modernization

  • -40% average operational cost reduction after cloud-native migration

  • 18 mo average payback period with an AI-accelerated approach

Every day you defer,
the system costs more.

The real issue is not the cost of transformation. It is the accumulated, hidden cost of doing nothing.

  • Continuously expanding maintenance

    Emergency patches multiply over time, and bugs on outdated architectures take 3 to 5 times longer to resolve than on modern systems.

  • Constrained team productivity

    Developers spend 40 to 60 percent of their time managing technical debt rather than delivering new capabilities.

  • Security and compliance exposure

    Unpatched systems create growing vulnerabilities against NIS2 and GDPR requirements, while audit costs continue to rise with each review cycle.

  • Talent retention risk

    Senior engineers actively avoid legacy stacks. Turnover in teams working on dated systems runs 35 percent above the industry average.

  • Inability to adopt AI workflows

    Monolithic architectures and unstructured data make agentic models and AI-native workflows effectively inaccessible, regardless of tooling investments made elsewhere.

€312K

Estimated average annual cost of inaction: 15-developer team, system aged 8+ years

  • Unplanned maintenance€85,000
  • Lost productivity (40%)€144,000
  • Security and compliance risk€45,000
  • Turnover and slow onboarding€38,000
Webinar Materials

Re-Platforming in the AI Era

Slides, framework references and methodology notes from the session, available now for download.

Where does your
project begin?

Every transformation project starts from a different context. Identifying the type of intervention is the first step towards a meaningful ROI estimate.

Refactoring

Code quality and technical debt reduction

The system is operational, but has become difficult to maintain. Code changes carry high risk, test coverage is insufficient, and quality has eroded over time. The architecture stays in place, but is restructured from within.

  • Decomposition of monolithic modules
  • Systematic test coverage introduction
  • Standardization of patterns and dependencies
  • Reduced MTTR and fewer production bugs
Replatforming

Migration to modern infrastructure

The application logic is sound, but the underlying platform has become a constraint on cost, scalability, or support. The goal is migration to cloud-native or managed infrastructure, without rewriting the core business logic.

  • On-premise to cloud migration (AWS, Azure, GCP)
  • Containerization with Docker and Kubernetes
  • Replacement of legacy databases or middleware
  • Reduction of infrastructure costs and OPEX
Modernization

Re-architecture for AI-native capabilities

The system, taken as a whole, can no longer support the organization's strategic trajectory. A partial or full rewrite is required to enable the scalability, modularity, and AI integration the business needs.

  • Decomposition from monolith to microservices and API-first
  • Event-driven architecture and data streaming
  • Enablement of AI workflows and autonomous agents
  • Substantially improved developer experience

Not sure which approach applies to your situation?

Webinar Materials

Re-Platforming in the AI Era

Slides, framework references and methodology notes from the session, available now for download.

From Brain
to ROI estimate in four steps

Our AI-accelerated approach compresses delivery timelines and reduces execution risk compared to conventional transformation methods.

  1. 1

    Engineering Assessment

    We assess technical maturity, existing debt, and risk across 72 engineering practices. Output: Harness Score and gap analysis.

  2. 2

    ROI Business Case

    We quantify the cost of inaction and model three transformation scenarios, with and without the AI Factory.

  3. 3

    AI-native execution

    The project runs on FairMind Studio: its requirements, analysis and architecture agents accelerate analysis, refactoring, and testing throughout the engagement.

  4. 4

    Continuous governance

    After go-live, FairMind Studio monitors code quality, architectural drift, and productivity metrics in real time.

The AI-accelerated approach
changes the economics.

Compared to a conventional engagement, the FairMind AI Factory reduces effort and risk across every project phase, from initial assessment through to post go-live governance.

  • 35% estimated reduction in project effort

    Code analysis, test generation, and documentation migration are accelerated by specialized agents working alongside the delivery team.

  • Automated test coverage

    The QA agent brings test coverage from near zero to 70% or above before go-live, substantially reducing production incidents.

  • Governance and traceability

    Every architectural decision is documented, every change is tracked, and every deviation from the approved design is detected automatically.

  • On-premise deployment when required

    Private deployment on AWS Bedrock or on the client's own infrastructure is available for regulated sectors and IP-sensitive environments.

Base scenario, 20-developer team
214%

36-month ROI · Cloud-native replatforming

  • 14 monthsPayback period
  • €430KEstimated NPV
  • €520K3-year inaction cost
  • -38%Post go-live OPEX

Non-binding estimate based on average market parameters

What you need
to know

Find out what inaction
is costing you.

A free estimate in two minutes, with no commitment and results based on your actual parameters.