Palm LeavesWe document what the old system does, rebuild it as a modern web app in stages and keep data in sync between old and new. Teams move across one group at a time, typically over ten to twenty weeks.
Old internal systems built in VB6, Lotus Notes or Delphi often still run important parts of the business. The risk grows every year: fewer people understand them and the platforms they run on are out of support.
We document what the system does, rebuild it as a modern web app in stages and keep data in sync between old and new. Teams move across one group at a time, and the old system is retired only when nothing depends on it.
Tick what’s true for the system you’re thinking of replacing.
Document it now while the knowledge is available, and plan a staged replacement over the next year.
Scope, price and timeline are fixed in writing before work starts.
Inventory of content, data, integrations and every live URL.
Every page, field and redirect mapped to the new platform.
Full trial migrations on staging until the numbers reconcile.
A planned window with a tested rollback, agreed in advance.
Daily checks on traffic, errors and data after launch.
What usually goes wrong with legacy app modernisation projects, and what we do about it.
Interviews, code review and report analysis before design starts.
Data stays in sync until each team has moved across.
Everything is documented as we go.
A distributor runs order handling in a VB6 application that only two people understand. Weeks one to three document every screen, report and batch job with the people who use them.
The web replacement is built module by module, with data synced both ways. The sales team moves first, then the warehouse, then finance. The old system is retired when nothing depends on it.
An illustrative example of how we would run this kind of project, not a client case study.
| Keep running | Buy a package | Staged rebuild | |
|---|---|---|---|
| Fits your process | Yes | Partly | Yes |
| Risk over time | Rising | Low | Low |
| Works remotely | Rarely | Yes | Yes |
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