720-239-2424

Denver’s Premier Dog Training Solution.
Every dog can be trained, if you use the right approach. We’re experts in dog behavior, and we can transform even the most unruly dog into a well-behaved companion. We've helped countless dog owners establish better relationships with their pets, by employing proven dog training techniques.
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Our Dogs in Action

CUSTOMER REVIEWS

What Clients Say

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 I have already seen so much improvement with my dog within the four classes that we have had so far... I never imagined I would be able to take my dog into public, let alone have him at ease when doing so.

Dylan Baker, Denver, CO.​

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 Dion is an outstanding trainer. He took time to listen to my issues, understand my goals, and work with me to create a specific approach towards training my dog.

Dan Warner, Boulder, CO.​

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Absolutely the best trainer I have ever worked with. I had a 14 month old German Shepherd, Rottweiler, Pitbull mix who was off the wall crazy. He was a wrecking ball who didn't realize how big he was. After 6 sessions I have a completely different dog. He does not pull on the leash at all. In fact, he stays right next to me in line with my hip whenever we walk. Not only does he respond to all my commands like "sit" and "down" but he won't break his down or sit position until I tell him to. Trust me, if you need a dog trained badly (like I did) go to Ancillary K9.

Michael Richardson, Aurora, CO.​

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  I have only had two session with Dion so far but we are already seeing HUGE success with Cammie! She was a stray from the Bahamas and was shy and expressing scared aggression. She now in stressful situations looks to us for guidance instead of taking control and acting out! I am so excited to see what will come in the following weeks!

Kassia Thormahlen, Lakewood, CO.​

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Get Rid Of These Common Behavioral Problems In No Time

Jumping and lunging.
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Biting and aggressive behavior.
Chewing or mouthing.
House-training issues​.
Digging or destructive behavior.​​
Barking or whining.
Separation anxiety​.
​Chasing cars or other moving objects​.

Stop Struggling With Your Dog

When other trainers and methods fail, or if medication or euthanasia seem to be the only option left, we can help. Your dog can be trained - if approached in the right way. Getting a dog under control is no easy task and requires time and commitment, but it can be done. There is a lot of conflicting advice in regards to the most effective ​training methods. This can cause dog owners a lot of confusion. We are happy to explain our methods and the science behind them and help you understand how we work.

​We’re also ready to help you transform your relationship with your dog, and make you and your pet happier and more content. If you're looking for dog training services in the Denver area, schedule a FREE 20-Minute Phone Consultation. You’ll have a chance to talk to Dion about your dog's behavior, your training expectations, and to figure out the right ​program for you.​
Fill out this form to get a FREE consultation and training ​plan for 
your dog.
or CALL NOW:
​(720) 239-2424

Questions? ​We'll Put You On The Right Path.

Ask about Ancillary K9's training programs, pricing, methods, or anything else - Our highly 
​​experienced trainers are standing by, ready to help.
OR CALL (720) 239-2424