Legacy-System Modernisation
Replace or evolve ageing desktop and legacy systems with phased migration, data discipline, and controlled cutover—not a risky big-bang rewrite.
The problem
Critical operations often still run on VB6, desktop applications, ageing monoliths, or databases that only a few people understand. Full rewrites fail when workflows, data quality, and parallel operations are ignored. Doing nothing leaves security, hiring, and integration risk unaddressed.
What we provide
Legacy assessment, workflow preservation planning, database migration, VB6 and desktop-system replacement, data cleaning and reconciliation, phased replacement with parallel running where needed, API enablement, security hardening, automated testing, deployment modernisation, and documentation.
Outcome
A modern system your team can operate and extend, with migration risks identified early, data continuity planned, and cutover sequenced so operations are not left guessing.
Suitable for
Organisations running VB6 or desktop systems, products stuck on ageing stacks, teams facing unsupported databases or deployment practices, and leaders who need modernisation without shutting the business down.
What’s included
- Legacy application assessment
- Workflow and dependency mapping
- VB6 and desktop-system replacement planning
- Database migration (SQL Server, MySQL, PostgreSQL, and related paths)
- Data cleaning and reconciliation
- Monolith decomposition where justified
- Phased replacement and parallel running
- API enablement for locked systems
- Security hardening
- Automated testing for critical paths
- Deployment modernisation
- Operator and technical documentation
Deliverables
An assessment report, migration sequence, data mapping artefacts, working replacement increments, cutover checklist, and documentation that outlives the project team.
Our approach
We treat modernisation as risk control, not as a slogan. Assessment comes first. Then we preserve essential workflows, migrate data carefully, run phases in parallel where operations require it, and only cut over when reconciliation and acceptance criteria are met. We never promise a risk-free migration.
FAQ
Common questions
Can you migrate VB6 and desktop systems? +
Yes. Desktop and VB6 replacement is a core part of this service. We map workflows and data first, then replace in phases rather than attempting an overnight rewrite of everything.
Will the migration be risk-free? +
No honest modernisation is risk-free. Our job is to make risks visible early, reduce them through phased delivery, data reconciliation, and parallel running, and keep decision-makers informed before each cutover.
Do you replace everything at once? +
Usually not. Big-bang replacements are where many programmes fail. We prefer sequenced replacement of modules or workflows so operations continue while the new system earns trust.
Ready to discuss this service?
Tell us about your organisation, the problem, and timing. We will recommend a practical next step.