Enterprise & Advisory
Modernise what holds
your business back.
Legacy systems are not just technical problems — they are business constraints. Slow releases, expensive maintenance, integration limitations, and talent retention difficulties compound year on year. GreaterHeight modernises legacy systems using structured approaches that keep operations running throughout the transition.
Services
Legacy modernisation services
Legacy Assessment
Technical inventory, dependency mapping, codebase health scoring, and total cost of ownership analysis — producing an honest picture of what you have and what it is actually costing you.
Modernisation Roadmap
Sequenced modernisation plan prioritised by business impact and technical risk — identifying which parts of the system to modernise first and which to leave until later.
Incremental Re-architecture
Strangler fig and parallel-run approaches that extract functionality from the legacy system into modern services — without a disruptive cutover or extended feature freeze.
Data Migration
Migration of legacy data structures to modern schemas — with transformation, validation, reconciliation, and rollback testing before any production cutover.
API Layer Development
Modern API layers over legacy systems that decouple the user-facing interface from the underlying architecture — enabling front-end modernisation without touching the core system immediately.
Team Capability Building
Training and knowledge transfer so your team can work on, maintain, and evolve the modernised system — rather than creating a new dependency on external consultants.
Is legacy technology slowing your business down?
Start with an honest assessment — we will tell you what you actually need to modernise, and what you do not.