Data Repair Service Provider?

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Has anyone found a company that can dig deep into a Sage 50 data file to uncover and repair issues. Our file has countless issues now e.g. different inventory numbers for the same item in the same location depending on what report you run and who runs it, negative starting inventory numbers that we never input, ghost purchase and sales orders on inventory quantity reports. Sage's data repair person could not repair our file. He instead referred me to a third party: https://businnovatech.com/. They can help a bit, but can't look at the underlying issues. I talked to another third party who sells Sage software, Asyma, who were referred to me by a Sage 300 sales person. Asyma is sales and support for Sage 300, but they referred me to https://famosconsulting.com/about-famos/ for Sage 50 data repair. This famos consulting, does not appear hopeful to repair our data, but I'm still waiting to hear back. I'm also trying Sage expert services on the off chance that it's another team besides the data repair team, but they haven't responded yet.

So I'm wondering if anyone else has come across a legitimate data repair company for Sage 50. I tried googling for companies, but they seem scammy and I don't want to have to determine if they're legitimate.