720-239-2424
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​(720) 239-2424
CUSTOMER REVIEWS

What Clients Say

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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.

Amalie Vankennen, Denver, CO.​

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We LOVE Ancillary K9, 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.

Irene Villalta, Lakewood, 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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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.

Philip Rieg, Aurora, CO.
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Easy payment plans are available from Square.

Schedule a new session or modify an existing session.
Our training sessions are held at:

City of Brest Park

3800 Cherry Creek South Drive
​Denver, CO  80209

​Our training hours are Monday through Friday from 9:00 a.m. to Sunset. We will reschedule
for rain, lightning, and temperatures below 30° F.

​Please call or text us at 970-443-5644 if there are any scheduling questions or concerns.
​

Our Guarantee

Our promise to you: You and your family will see a remarkable change! Your dog will behave better and be
​more pleasurable to live with. In the unlikely event your dog slips up, we offer ​a lifetime support guarantee.