Following on from this thread started by @OmegaStarScream re- “Bitcoin ATMs forced to shutdown in the UK”
Tracking scam companies that set up ATMs will be easier than online crypto exchanges and services, as the first one will need money to buy these devices, rent the place, and so on. At some point, a person may be able to track those companies and get his money back.
Personally, I see that any company that converts from cryptocurrency to fiat money will require identity verification, and therefore it must have a license and operate according to certain frameworks, otherwise it is a scam.
As for the platforms that transfer from one cryptocurrency to another, you can use the trusted ones, which are definitely not based in the United States, the United Kingdom and other countries if you do not want to verify the identity.