There are a few things you can do to find a reputable breeder for Scottish Fold cats:

1. Contact a Scottish Fold breed club: They can provide you with a list of reputable breeders in your area.
2. Search for Scottish Fold breeders online: Look for websites that are well-organized and provide detailed information about the cats they have for sale. A reputable breeder will be open and honest about the health of their cats and their breeding practices.
3. Ask for references: A reputable breeder will be happy to provide you with references from previous buyers, veterinarians, and other professionals in the cat breeding community.
4. Visit the breeding facility: Take the time to visit the breeding facility and meet the cats and the breeder in person. This will give you a good idea of the living conditions of the cats and the level of care they receive.
5. Ask for health certifications: Reputable breeders will be able to provide you with documentation of genetic testing and other health certifications for their cats.

It’s also important to note, that Scottish Fold cats has a genetic disease called Osteochondrodysplasia which can cause serious issues with the cats bones, a reputable breeder would have done the necessary tests to prevent from breeding cats with this genetic mutation.

When researching breeders, it’s always best to be extra careful, a little research will go a long way in ensuring that you find a healthy and well-adjusted Scottish Fold kitten from a reputable breeder.