Hi, I don't know one in Keller, but is Frisco close? There is an amazing groomer in Frisco, just north of 121 off of Preston and Gaylord. Classy K9 Cuts. I've used them for nearly 3 years and couldn't recommend a place higher.
Classy K9 Cuts,Dog grooming in Plano and Frisco ,Tx
Affordable, very clean,
very, very dog friendly groomers. If you call or go, tell them Teresa, Gracie Ruth's Mom sent you.