Keep in mind that dogs must be trained for good grooming manners so they're used to be cleaned or maybe even enjoy the grooming process. (dog-grooming-training.com)
Just like humans, pets also need good grooming in order to make them look and feel good inside out. (starelief.org)
They may be able to give you the names of good groomers and trainers in your area. (pmsc2.org)