How much downtime should we expect?
Usually none your customers notice. We run old and new in parallel, cut over in a quiet window with a tested rollback, and keep the old system available read-only until the new one has earned trust.
How do we know no data gets lost?
Reconciliation you can audit: record counts, totals, and spot checks compared between systems before and after, plus at least one full dry run. You sign off on the numbers, not on our reassurance.
The person who built our system is gone and nothing is documented.
That is the normal starting point, not a dealbreaker. We work from the running system, the data, and the people who use it — and the migration ends with the documentation the old system never had.
Do we have to migrate everything at once?
No, and you usually shouldn't. Most of our migrations move one piece at a time behind the scenes — each step small enough to verify, reverse, or pause without drama.
What does a migration cost?
It starts with a short paid assessment: what you have, what it talks to, and where the bodies are buried. That produces a phased, fixed-price plan — and sometimes the honest finding that you should stay put for now.
Will our team have to learn a new way of working?
Only where the old way was the problem. Where a workflow works, the new system keeps it; where it doesn't, changes come with a walkthrough and a transition period, not a surprise on Monday morning.