I know this has been asked before, but it's been many years since I checked in, so looking for recent recs on this:

Have a family member with many (at least thousands, although we don’t have to do them all at once) negatives that they want to get scanned.

Any companies you can *personally* recommend?

@Drwave I punted on this kind of question by buying an Epson scanner and fooling myself in thinking I'll get to it.
Someday...
https://www.filmscanner.info/en/EpsonPerfectionV850Pro.html
Test report film-flatbed-scanner Epson Perfection V850 Pro transparency unit: experiences report; image quality, scanning slides, medium formats