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Legacy modernisation

Change the system while work continues.

Older systems often contain years of useful decisions that no one has written down. We identify the rules worth keeping and choose a first change your team can test before it takes over.

Discuss a staged upgrade
Workflow example

A staged upgrade

  1. Extract

    Record today’s rules and exceptions.

  2. Compare

    Run the same cases through both paths.

  3. Cut over

    Switch one verified workflow.

Migration plan · illustrative sequence

The engagement

What you get

  1. A dependency map

    Trace users, reports, integrations and workarounds. Identify the records other teams rely on before choosing a replacement.

  2. A staged migration

    Choose a workflow that can move on its own. Reconcile sample records and compare the old and new outputs with the people who use them.

  3. A cutover checklist

    Set the owner, acceptance checks and fallback for each stage. Confirm when the old process can be retired.

Illustrative example

Moving a spreadsheet approval queue

Start with new requests in a small portal. During a trial, compare its approval decisions and reporting totals with the existing sheet. Move the remaining queue once the differences are understood.