Looking for Dog Training, Denver? We've got you covered as Ancillary K9 is Denver’s Premier Dog Training Solution. Our dog training programs are goal-specific, and are based on scientific, evidence-based research. We’ll work with you and your dog to solve the problems that matter most to you: obedience, behavioral issues, protection training, and even aggressive dog rehabilitation. With our diverse background and experience, we are confident we can make a difference in your dog’s behaviour and in the quality of your life. The team at Ancillary K9 believes there are no “problem dogs,” just ones who haven’t been properly trained. Contact us for your Denver dog training needs.