Repair is not the only question
The larger issue is whether the existing wiring can appropriately serve the intended use and whether project conditions call for modern replacement.
Decommissioning can be part of the plan
When old circuits are taken out of service, they should be handled in a way that leaves the electrical system clear and safe rather than creating ambiguity for future work.
Replacement scope should be explicit
Clarify which rooms, circuits, devices, and finish repairs are included so the project is understandable before work begins.
Talk about your Providence property
Call and tell us what you found, where the old wiring is visible, and what work you are planning.