Re Model an Existing Revit File Professionally

I'm seeking a skilled expert in Revit to help breathe new life into an existing model. The project involves making changes to the floor plan, updating the interiors, and skillfully creating a new layout for the furniture. Design elements were skipped, so your creative input is welcome.

Key tasks include:

-Remodelling the existing Revit model Professionally
-Adding some Green building/ Sustainable elements
-Current revit model does not look Professional, I need it very professionally