Legacy Modernisation
We assess existing systems and plan modernisation in manageable phases. The work captures current behaviour, identifies unsupported dependencies and prioritises changes that reduce operational risk. Where feasible, components are replaced incrementally while the existing system continues to serve users, with migration validation and rollback plans.
Every team member at Krazio is AI-enabled and tech-certified, to ensure your project is delivered quickly and as expected.
Services We Offer
Comprehensive solutions tailored to your business needs
System assessment
Map architecture, dependencies, risks and a phased roadmap.
Incremental migration
Replace bounded components while managing interfaces with the existing system.
Runtime upgrades
Update frameworks and dependencies with compatibility checks.
Data migration
Plan reconciliation, cutover and recovery for database changes.
Cloud transition
Assess suitable migration paths for on-premise workloads.
Behavioural testing
Capture important existing behaviour before changing implementation.
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Business Solutions We Provide
Industry-specific solutions that drive real business value
Safer change
Use tests and scoped releases to manage uncertainty.
Supported foundations
Prioritise components that create maintenance and support constraints.
Phased investment
Make dependencies and outcomes visible at each stage.
Let’s Build Something Brilliant with Legacy Modernisation
Whether it’s Legacy Modernisation or a custom solution tailored for your business, we’re ready to make it happen. Tell us a bit about your idea, and our team will get back within 24 hours with a plan designed just for you.
The Core Problems We Solved
"The system works but undocumented behaviour makes changes risky."
"Unsupported platform versions complicate maintenance and security."
"A previous rewrite stalled before providing a usable transition."
What We Deliver
Scoped release
A working solution for the agreed use cases and environment.
Source and configuration
Source code, configuration and integration details within the agreed scope.
Validation evidence
Test results and findings against the agreed acceptance criteria.
Documentation and handover
Architecture decisions, operating guidance and handover sessions.
Our Approach & Key Features
Assess the starting point
Review the current workflow, constraints, data and assets before defining the solution.
Define the first phase
Agree scope, architecture, dependencies and acceptance criteria with the team.
Validate in context
Test the agreed use cases and exceptions against representative inputs and operating conditions.
Plan ownership
Document maintenance, monitoring and support responsibilities before handover.
Why Choose Krazio
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Empowering Industry Giants
Our Process
Assess
Review the problem, baseline, constraints and feasibility.
Design and plan
Document the solution, dependencies and first-phase scope.
Build and validate
Deliver in agreed phases and test with representative users and inputs.
Hand over
Provide documentation, guidance and an agreed support model.
Frequently Asked Questions
Everything you need to know about our legacy modernisation services
