Ancillary K9 Dog Training

When our youngest rescue started showing aggressive behavior towards one of our older female dogs, and eventually started attacking her, we were heartbroken and lost. We knew we owed it to the dogs to do everything we could to change their behavior instead of just getting rid of one of the dogs. Dion totally saved us and our dogs are happy and well behaved again. Neighbors and friends always complement us on how much they’ve changed. Now we are back to living a stress-free life, not being worried about the two going at it anymore. I can’t say enough good things about Dion, he was awesome and we are so grateful. His training style is no nonsense and it works! More...

Reviewed on Facebook

Dion is a pleasure to work with and has taught me a lot about training. I have a 75lb puppy Cane Corso who has proven her stubbornness. Dion recommended multiple training tips, books, and homework and she has significantly calmed down and is becoming more and more obedient. We still have a long way to go but Dion is always just a phone call away when I need support and tips. Thanks again! More...

Reviewed on Facebook

Dion is a very professional awesome person. Our dog is learning new things incredibly fast. He was a horrible puller and after just one session with Dion he hasnt pulled since.

Reviewed on Yelp

How do you convert a stubborn English Bulldog to a functional Service Dog? Call Dion. His training tactics have enabled team confidence in my service dog and I. I can take him pretty much everywhere I go now and I never get complaints on his behavior. That's why if I have more dogs needing trained, I'll go through Ancillary K9. It's not just obedience training, it's team building. More...

Reviewed on Facebook

Ancillary K9 is a dog training professional. They are professional not just with complete equipments for training purpose but also how they get along with the dogs. Look fot them in Denver to increase your puppy skills through adulthood. More...

Reviewed on Facebook

Two years ago I rescued Gilbert, a truly remarkable but quirky and energetic dog. My best friend thinks he was struck by lightning as a puppy, only partly in jest. I think I did a great job raising him, but Dion has been a revelation. He's given me such an amazing set of tools to help Gilbert and me and our roommates all live together more happily. In part this was Dion correcting mistakes I didn't realize I was making, like using a harness despite Gilbert pulling all the time, but more than that Dion helped me understand how Gilbert thinks. I remember thinking, confused, how can it be that a stranger understands my dog better than me? It's a testament to Dion that he does. He also understands me as a dog owner, and has been empathetic and accommodating of who I am and what I want from owning a dog. I cannot recommend Dion enough. If all you want is to correct minor inconvenient behavior, he's your trainer. If you want to get your dog off leash on trails, he's your trainer. And, though I don't want to take Gilbert to dog shows or through agility exercises, I believe if you do Dion is also your trainer. For your sake and your dog's sake, spend an hour with him. You'll look back and wonder why you spent so long not properly training your dog. More...

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Reply from Ancillary K9 Dog Training

Hi Ryan, thank you for the lovely review! Correcting bad behavior and then rewarding positive is key! So glad you both learned a lot along the way.

I reached out to Dion as I am looking to train dogs myself and was curious about the industry. I called Dion on a Monday afternoon leaving a voicemail requesting to shadow him as he worked with clients. Dion called back within the hour (he was the only trainer to call back). He was enthusiastic and helpful. He recommended books and other resources. That same week on Friday Dion arranged for me to shadow him with two clients and their two pups. He throughly explained his philosophy and practice. I watch him work and was very impressed. He is a natural with the dogs and is skilled at communicating to his human clients how to work most effectively with their dogs. The dogs seems so advanced and quick to follow his commands I was shocked it was only their second session. After the hour I spent watching him work he took another hour of his time to explain what his was doing with the dogs and some basics about the industry. He also answered all my questions and provided further resources. I really appreciated Dion’s time and enthusiasm. Dog trainers must apprentice to learn their trade and Dion’s willingness to work with newcomers and share his experience with such passion and detail is a rare and special find. More...

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Reply from Ancillary K9 Dog Training

Hi Jonna, It was my pleasure to have helped you on your journey. I truly wish you the best in pursing your dreams of becoming a dog trainer.

I reached out to Dion as I am looking to train dogs myself and was curious about the industry. I called Dion on a Monday afternoon leaving a voicemail requesting to shadow him as he worked with clients. Dion called back within the hour (he was the only trainer to call back). He was enthusiastic and helpful. He recommended books and other resources. That same week on Friday Dion arranged for me to shadow him with two clients and their two pups. He throughly explained his philosophy and practice. I watch him work and was very impressed. He is a natural with the dogs and is skilled at communicating to his human clients how to work most effectively with their dogs. The dogs seems so advanced and quick to follow his commands I was shocked it was only their second session. After the hour I spent watching him work he took another hour of his time to explain what his was doing with the dogs and some basics about the industry. He also answered all my questions and provided further resources. I really appreciated Dion’s time and enthusiasm. Dog trainers must apprentice to learn their trade and Dion’s willingness to work with newcomers and share his experience with such passion and detail is a rare and special find. More...

Reviewed on Facebook

Good service. Professional worker..know what they have to do!

Reviewed on Facebook

It is best dog training , puppy training,and obidience training and Denver. I like it a lot.

Reviewed on Facebook

If you’re in the Denver area this is the best place for obedience training. The best dog trainer I’ve ever had. Great staff also.

Reviewed on Facebook

This place does amazing dog training! I recommend for all dogs.

Reviewed on Facebook

Dion was great to work with. Thank you for giving me the tools to help my boys be better pets.

Reviewed on Facebook

If you are in the Denver area looking for a puppy or dish trainer look no further. They are the best for obedience training. Definitely recommend them.

Reviewed on Facebook

Great place for dog training, Ancillary K9 has professional staff and complete equipment that will make perfect place for you to choose to increase your puppy skills. Great facility for your puppy training in Denver. So wonderful !. More...

Reviewed on Facebook

—We came to Dion with our 9 month old Bloodhound mix. We did not have problems to fix or behaviors to correct. We had a beautiful, happy, new puppy and... super excellent

Reviewed on Facebook

Dion is very knowledgeable and friendly. Most importantly he is effective. He communicates the why as well as the how - and presents good real world analogies to help understand the lessons. He is trustworthy and we are glad we chose him. Please feel free to send me a message if you have any questions or would like reference. Steve More...

Reviewed on Facebook

I have a wild child German Shepherd I could barely go a couple blocks before she dart at everything that passed by.  After the first training with Dion, I was walking a new dog.  Dion is skilled at identifying the reasons why my dog acted the way she did and how to correct her unruly behaviors.  If you're looking for quick and amazing results, hire Dion! More...

Reviewed on Yelp

We finished our training several months ago and our dog is still doing great. Thanks again for all your help!

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Reply from Ancillary K9 Dog Training

Hi Katie, I am so glad I was able to help you and your pup live happier lives. It truly is about understanding them and I’m happy to hear that even months later you are satisfied with my service. I truly appreciate your thoughtful words and wish you and your pup the very best.

I contacted Dion because my two year old dog was fighting my other dog and was a terror to take on walks. within four lessons he is transformed and I've learned invaluable skills to use with dogs I foster. The best part is that my dog loves training. The clarity and structure has made him relaxed and confident. Both his life and mine are vastly improved. The results are more than I expected and in a short time! More...

Reviewed on Facebook

I have never been able to take my 1 year old Sheltie for a walk with out her going berserk every time a car would drive by. After one training session with Dion she was already walking like a well trained dog— I never thought I would see the day! Such a big improvement! Thank you for the help and giving me the skills and confidence to properly train my dog. More...

Reviewed on Facebook

Dion has far surpassed any other trainer we have used. Very knowledgeable.... has helped immensely. We have a 2.5 year stubborn pitbull and a 5 month Doberman in training. Highly recommend.

Reviewed on Facebook

My dog loved Ancillary K9! We saw excellent results quickly and it was so affordable compared to other programs we met with.

Reviewed on Facebook

I found Dion very knowledgeable and very good with our dog I would highly recommend him.Sam and Mary

Reviewed on Facebook

I’ve been working with Dion since the beginning of 2017. I tell everyone about how great and knowledgeable he is. I appreciate that he answers all my questions. It’s been amazing seeing my shepherds transformation from then to now. She has so much more confidence. A year ago i never thought i would be able to walk my dog off leash but now i can all thanks to Dion! She also gets excited every time she sees Dion, which makes me very happy to know my dog is happy and comfortable with her trainer! More...

Reviewed on Facebook

In just six weeks, Dion helped turn my little monster into a dog that I was proud to take on walks and to the park. Instead of having to apologize for her behavior, it's now fairly common to hear "what a well trained dog you have". Dion was great, always fun to be around and incredibly professional. From day one, I knew I made the right choice in a dog trainer. More...

Reviewed on Facebook

My dog was very anxious and would bite and snap at other dogs. While we are still in training, Dion has made me feel much more comfortable and confident in being able to handle this problem. In two lessons I have already seen such an improvement in her behavior! More...

Reviewed on Facebook

I have been to a few trainers with my Doberman, and although they were able to get some things accomplished with him, it was never what I wanted. Dion actually listens and cares about what you want out of your dog and alters the training specifically to that. After just one session, I saw a huge potential in my dog that I have not before and I am actually excited to do our homework together. He really seems to understand dogs and I feel so confident that I am finally going to get the results I want, that driving all the way from Springs to me is totally worth it! Thank you for seeing my Doberman for him and not treating him like just another dog! More...

Reviewed on Facebook

We came to Dion with our 9 month old Bloodhound mix. We did not have problems to fix or behaviors to correct. We had a beautiful, happy, new puppy and we wanted to do everything we could to give her the best opportunity to grow into being a great dog. Dion gave us the tools and instruction to be a responsible family as we live in a special neighborhood with lots of good, social dogs. We are forever grateful! More...

Reviewed on Facebook

I have an Akita puppy that completed 2 levels of group training classes at one of the big pet stores. She would listen for treats but was becoming aggressive towards one of my other dogs. Other trainers and breeders told me I'd have to get rid of her for my other dogs' safety. I was desperate for help when I contacted Dion. I signed up for the obedience package with the hope of being able to turn things around and keep my 6 month old puppy. After the first training session, I could see a huge difference in her attitude. She looked up to me as a leader and actually started listening without me having to bribe her with treats. We just completed our training yesterday and she is a totally different dog! The aggression is a thing of the past. She's 9 months old now, and she's my best behaved dog. Dion is amazing at what he does. He does a phenomenal job working together with the dog and owner. If you want to learn how to train your dog and gain their respect, Ancillary K9 is the answer! More...

Reviewed on Facebook

Ancillary K9 has made all the difference for our pup. Dion is an excellent teacher to both dogs and humans—he made sure that we understood how to handle our dog, and communicate expected behaviors. Our sweet dog is now a dream to take on walks and hikes, and she responds to our commands even in stressful/busy situations. We would definitely recommend Dion to anyone! More...

Reviewed on Google Maps

I have an Akita puppy that completed 2 levels of group training classes at one of the big pet stores. She would listen for treats but was becoming aggressive towards my other dogs. Other trainers and breeders told me I'd have to get rid of her for my other dogs' safety. I was desperate for help when I contacted Ancillary K9. I signed up for the obedience package with the hope of being able to turn things around and keep my 6 month old puppy. After the first training session, I could see a huge difference in her attitude. She looked up to me as a leader and actually started listening without me having to bribe her with treats. We just completed our training yesterday and she is a totally different dog! The aggression is a thing of the past. She's 9 months old now, and she's my best behaved dog. Dion is amazing at what he does. He does a phenomenal job working together with the dog and owner. If you want to learn how to train your dog and gain their respect, Ancillary K9 is the answer! More...

Reviewed on Google Maps

My sister and I were so lucky to find Dion! We share an apartment with her dog who has some intense behavioral issues. Dion taught us how to look at training from a very black and white perspective, which proved to be very effective. He also set us up with the proper tools for training, which we used during sessions, giving us hands-on experience with them. Having someone who was so personable and clearly cared about our pup's well-being made sessions easy and fun. I was able to use them on my own dog as well, and months later, continue to share his tips with others! More...

Reviewed on Google Maps

Impressive and experienced trainer. We signed up for the six-week training. This course helped our Malinois with her over reactivity to other dogs, but more importantly it taught us how to help our dog get through tough situations.

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Reply from Ancillary K9 Dog Training

Thank you Tyler for the lovely review! Correcting bad behavior and then rewarding positive is key! So glad you both learned a lot along the way.

Excellent training for the dogs and people! Great location and trainer. HIGHLY RECOMMEND!!!

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Reply from Ancillary K9 Dog Training

Teamwork, techniques and the philosophy are key; thank you so much for the kind words and recommendation!

Dion has been amazing to work with. We saw immediate results in the first lesson alone and bought a training package on the spot. Couldn't be happier!

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Reply from Ancillary K9 Dog Training

Thank you so much Katie!! I really appreciate the review and thrilled to hear you're happy with my services.

We LOVE Ancillary, we have only done 2 sessions with Dion and I already see a huge difference in my girl. We saw other trainers that were good but Dion just speaks my dogs language. She was attacked and is really scared of dogs that are off leash. We will definitely be continuing with him for more advanced training in the future and will update my review then. He is also really patient and trust me I know because I usually have a million questions. My dog is a Belgian malinois/German shepherd mix so it took us almost a year to find the right trainer for her breed and personality, Thanks Dion!! More...

Reviewed on Google Maps

Dion has been extremely helpful in educating me and aiding my communication with my dog. He not only explained every reason behind each practice, he talked about theory, how dogs communicate with us, and provided helpful feedback and continued support. Highly recommended and will be back for future practice. More...

Reviewed on Google Maps

Dion is an extremely knowledgeable and professional resource. He utilized various tools and processes for working with me and my dog to accomplish our goals.

I was most impressed by his extensive knowledge and commitment to his trade and I feel very fortunate we found him.

No matter the goal, I have the utmost confidence that he can provide the insight or additional resources needed to accomplish it. More...

Reviewed on Google Maps

After completing two separate six week training sessions, at one of the big box pet centers, my dog was just not "getting it". I decided to give Dion a try and after one lesson my dog made more progress than all the other lessons combined. I couldn't be happier with the progress he made and signed up for several more sessions. The training was as much for me as for my dog, I learned how to teach him what I wanted from him and he was eager to please me. Dion was very professional and interested in helping me achieve the results I expected from my dog. I would not hesitate to recommend anyone to take their dog to Ancillary K9 and give them a try. Be prepared for results! More...

Reviewed on Google Maps

My high-drive Dutch Shepherd came to us with plenty of behavioral baggage. Dion has an ambitious approach to observing and humanely correcting these behaviors without pushing the dog or the handler too far, too fast. He understands the dog's capabilities and instincts and is very fluid with the training program, so if I show up to training lacking any supplies or preparations necessary to a particular training aspect, Dion will be prepared with a backup plan to train another area of interest. He is also plugged into a local community of highly professional trainers and k-9 enthusiasts and was willing to introduce us to some of these fine people. Dion has much to offer dogs of all kinds and dog handlers who are willing to put in the work necessary to setting and achieving their mutual goals; his rates are also incredibly reasonable and the Ancillary K9 scheduling interface is super easy and flexible. I would certainly recommend Ancillary K9 to other dog handlers of all levels. More...

Reviewed on Google Maps

Dion with Ancillary K9 was wonderful to work with and I highly recommend him if you are looking for a personal trainer for you and your dog. My Border Collie, Sammy, did great in the 8 week training sessions. However, the training is only as good as the amount of time you are willing to put in outside of the training sessions. It requires training with your dog each and every day (no matter the weather if you are training outside). I put in countless hours with Sammy and it was amazing to watch his growth. Hire Dion and you will have a much better dog and family member!! More...

Reviewed on Google Maps

I will forever be thankful for working with Ancillary K9.  I was on the verge of rehoming my dog because of his aggression issues, I was completely lost.  Ancillary K9 promised me that my problem could be fixed!  I have already seen so much improvement with my dog within the four classes that we have had so far.  I look forward what the last ones have in store for us.  I never imagined I would be able to take my dog into public, let alone have him at ease when doing so.  Now, I am able to take my dog out, have him interact with other animals, and let people come into my home.  Thank you Ancillary K9 for your great work, I will be forever thankful for your services! More...

Reviewed on Yelp