A legacy system is rarely broken — it is expensive, slow to change, and known to fewer people every year. We treat modernization as risk management: establish what the system actually does (including the behaviour nobody documented), choose per component between rehosting, rewriting and retiring, and move in slices that can each be reversed. The business keeps running throughout.
Digital Transformation & Modernization
Legacy Modernization
Move off systems that still work but cost too much to keep.
Overview
What the engagement covers
- Behavioural discovery: what the system does, including the undocumented parts
- A component-by-component call between rehost, refactor, rewrite and retire
- Strangler-pattern delivery, so old and new run side by side
- Data migration with reconciliation, rehearsed before it is real
- A tested route back for every cutover
What you leave with
- The old system decommissioned, not left running "just in case"
- Run cost and change lead time measurably lower
- Knowledge in code and run-books rather than in two people's heads
Digital Transformation & Modernization
The rest of this practice
Legacy Modernization, scoped to your estate
Tell us where you are and what it has to be worth. We will come back with a scope, a sequence and a number.