ZERO STARS! I rescued a dog that was chipped and registered to 24PetWatch. They make it very difficult to change ownership even when you have a letter from your vet's office confirming this. Often times, pets don't stay with their original owners (unfortunately, mostly due to stupid excuses). 24PetWatch holds you hostage into paying for their "lifetime" membership fee $75 so you can update your information in case you move. They will not update your information after 365 day's if you move to another house, state etc. It's all about money with them. My vet's office was on hold for over 30 minutes trying to reach someone to change and confirm new ownership. No one ever answered the call from 24PetWatch. I have doubts they are available "24 hours" like they claim if you can't reach anyone on the phone. My vet's office said they have never heard of such horrible business practices and making it difficult to update the ownership registration for a micro-chipped pet. They clearly do not care if they have the correct ownership records or invested in updating their ownership registration records in case the pet gets lost. This place sucks!