Strangler transition
Route selected capabilities to new components while the legacy core continues operating.
Evolve without a rewrite gamble
Legacy Modernisation
Incremental modernisation that reduces risk while preserving business-critical capability.
MOD / SYSTEM VIEW MIGRATION PHASED
STABILISE / EXTRACT / MIGRATE / RETIRE
Typical problems
When the system needs deeper engineering.
- 01A critical system is difficult to change safely
- 02Unsupported technology is increasing operational risk
- 03Integration needs are blocked by closed legacy boundaries
- 04A rewrite proposal lacks a credible transition plan
What RKL delivers
A production-ready technical outcome.
- ↳ System and dependency assessment
- ↳ Modernisation target architecture
- ↳ API enablement and boundary extraction
- ↳ Database and cloud migration planning
- ↳ Incremental replacement roadmap
- ↳ Risk, testing and cutover strategy
Expected outcomes
- ✓Reduced operational and vendor risk
- ✓Useful capability delivered before full replacement
- ✓Safer migration through controlled boundaries
- ✓A clear path from current to target state
Delivery patterns
Architecture matched to the constraint.
API façade
Create a stable integration boundary before changing the implementation behind it.
Parallel data migration
Reconcile and validate data before controlled cutover.
Technical depth
Capabilities and technology
System assessmentAPI enablementCloud migrationDatabase migrationRe-platformingTechnical debt reduction
APIsCloud platformsContainersData migrationObservabilityAutomated testing
When to engage RKL
Bring us the difficult decision or delivery problem.
- A legacy platform is limiting business change
- Failure or support risk is increasing
- Modernisation needs an independent technical plan
Engagement options
Modernisation assessment
Incremental delivery
Migration architecture and oversight
Related capabilities
Software Architecture
System, solution and enterprise architecture grounded in delivery and operational reality.
ExploreAPI & Systems Integration
Secure, observable integration across internal systems, SaaS platforms and external partners.
ExploreDevOps & Cloud
Cloud environments and delivery systems designed to be repeatable, observable and resilient.
ExploreQuestions
Service FAQ.
Do you recommend full rewrites?
Only when constraints make incremental change less safe or more expensive. Most programmes benefit from staged replacement and measurable transition points.
Can business operations continue during modernisation?
That is normally a core design constraint. We use coexistence, compatibility and controlled cutover patterns to reduce disruption.
START A CONVERSATION / SYSTEM READY
Modernise without betting everything on a rewrite.
Share the current system, constraints and target outcome. RKL will help define the right next technical step.