Ancillary K9 Dog Training

Known for

• reactivity & aggression

  “At Ancillary K9, we are industry leaders in dog aggression & reactivity. We specialize in rehabilitating complex reactive behavior, and can reduce aggressive behavior in your dog, even if other training failed in the past.”

• owner-involved training

  “Your dog learns with you, not away from you. We coach the owner because lasting progress depends on what happens after each lesson.”

• large breed experience

  “At Ancillary K9, we have extensive experience with standard and large breeds like the Rottweiler, Belgian Malinois, German Shepherd, and Cane Corso, but not all dog trainers in Denver do.”

• premium pricing

  “With full programs ranging from $2,499 to $4,399 we are a premium private training company.”

Services

About

Ancillary K9 provides private dog training in Denver for behavior problems, leash reactivity, aggression, anxiety, obedience, and everyday manners. The business specializes in complex cases and offers owner-involved training sessions held at a quiet park in the Cherry Creek neighborhood. They serve clients from Denver and surrounding areas including Wheat Ridge, Golden, Highlands Ranch, and Aurora.

What people say

Clients consistently praise trainer Dion for transforming aggressive, reactive, and anxious dogs into calm, obedient companions, often crediting him with saving their pets from rehoming. The training is described as highly effective and life-changing for both the dogs and their owners.

Hours