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WE TRANSFORM YOUR DOG IN 45 DAYS OR LESS!

It’s never too late! You can teach almost any dog whatever you want with persistence, consistency, patience and repetition. We don’t back down from any challenges your dog may have, even if other trainers refused your dog or said it’s impossible to “fix”.

Our UNIQUE system has been used to help thousands of dog owners all across Canada and even the United-States. We train dogs the necessary obedience, on and off leash manners, and modify ANY unpleasant behavior from minor issues like jumping or barking, to the big ones like separation anxiety or aggression.  Moreover, we teach owners how to properly  maintain control of their dog in any given situation. Our goal is to create the most perfect dog out there, therefore we teach owners all the “dog training secrets” and how to introduce new commands to their dog.

A Few OF Our Students

Offering the best dog training services in Montreal since 2013!

Excellent
⭐️⭐️⭐️⭐️⭐️ Absolutely Outstanding!

Working with Chris at Seirios K9 Dog Training Academy has been an incredible experience from start to finish. From the very first consultation, it was clear that Chris is not only deeply knowledgeable about canine behavior but also genuinely passionate about helping both puppies and their owners thrive together.

His approach is professional, patient, and incredibly effective. Our puppy, who used to struggle with basic obedience and leash reactivity, has made an unbelievable transformation under Chris's guidance. Every session was tailored to our puppy’s specific needs, and Chris took the time to explain why each technique worked—not just what to do. That made a huge difference in our confidence and success at home.

What sets Seirios K9 apart is the attention to detail, the calm, confident energy Chris brings to every session, and the clear commitment to long-term results—not just quick fixes. You can tell he truly cares about building strong, respectful bonds between dogs and their people.

If you're looking for a trainer who delivers real, lasting change and treats you and your puppy like family, look no further. Chris and Seirios K9 are the gold standard in dog training.

Highly, highly recommend!
Response from the owner:Thank you for your wonderful review, Ann! We're thrilled to hear about your positive experience with Chris at Seirios K9 Dog Training Academy. His dedication to fostering strong bonds between dogs and their owners is truly at the heart of what we do. We're delighted to know that your puppy has made such great progress and that our tailored approach has boosted your confidence. We appreciate your high recommendation and look forward to continuing to support you and your puppy on this journey!
We have used Seirios K9 since 2024, we are on our second dog with Chris and Sam. We highly recommend Seirios K9 - they care about training the dog properly and kindly, and training the owners. If we don't do the homework, we fail the pups. If you want a puppy that's impressive , take the time to visit the group training to see how well we all do!
Response from the owner:Thank you for your wonderful feedback, Eugene! We're thrilled to hear that you and your pups have had such a positive experience with Chris and Sam. It's great to know that our commitment to both the dogs and their owners has made a difference in your training journey. We appreciate your recommendation and look forward to continuing to support you and your dogs in their training. Keep up the hard work, and we’re excited to see your impressive pups!
Working with them for a year and a half since we got our doberman (Zeus) and they work wonders, wether its for a day session or leaving Zeus with them for a week. He is very well trained in large parts to Seirios K9 dog training academy and is always jumping with joy when we return to the academy.
Response from the owner:Thank you for your wonderful review, Tomasz! We're thrilled to hear that Zeus has thrived under our training programs and enjoys his time with us. It’s always rewarding to see such positive results and a happy dog. We appreciate your trust in Seirios K9 and look forward to continuing this journey with you and Zeus.
We rescued a 1yr old Potcake last year who we had no idea of his history. Day after we picked him up we went straight to Seirios K9 for evaluation and ordered the full package. Our Jesse became an amazingly trained pup. We've since lost him to cancer and have rescued a black lab mix, a beauty, and yes, we are back at group training overseen by Chris the owner of Seirios K9.

Chris and his team Do It Right!

Yes, doggo is trained, but their goal is also train the owners and ensure we as owners do our work as well.

It's a constant work in progress, never stop, never give up. Oh and also, if you choose Seirious K9 you get honest feedback, 'cause we hoomans are not perfect, but we expect our pups to be.

We marvel at how we can complain something is not working and then Chris takes the leash and makes it look flawless. Amazing trainer!

Try it, it works!
Kathy
Response from the owner:Thank you, Kathy, for your heartfelt review and for trusting us with Jesse and now your new pup. We are honored to have played a role in their training and development. Our goal is to empower both dogs and their owners through ongoing training and honest feedback. We appreciate your commitment to continuous improvement and look forward to supporting you through this new journey with your black lab mix. Your kind words about Chris and our team mean so much, and we’re grateful to be part of your dog training experience.
After years of unsuccessful attempts on training my anxious reactive dog.. we finally went to Chris for his help and I regret not bringing my dog from day one. Chris and Sam took on helping me train him and also took him for two weeks while on vacation and i couldn’t be happier with the outcome. Happy fur mum and an even happier dog!
Response from the owner:Thank you so much for your wonderful review, Kailin! We're thrilled to hear about your positive experience with Chris and Sam. It's rewarding to know that your dog is doing well and that you're a happy fur mum. We appreciate your trust in us and look forward to continuing to support you and your dog!
My 3 yo poodle/cocker mix was suffering from severe separation anxiety and lacked confidence. I sent her in for a 2 months program with Chris and she is a brand new dog. She is confident, she can stay home alone, she is well behaved. Prior to sending her, she had been kicked out if numerous daycares because she was too anxious and now? She’s the day care star. I cannot recommend Chris & his team enough. He changed our entire life. My little girl went on a transatlantic flight shortly after and is now thriving, as long as you maintain the skills after ward you’re set for life. Well worth the investment
Response from the owner:Thank you so much for sharing your experience, Amelie! We're thrilled to hear about the positive transformation with Juliette. It's wonderful to know that our team made such a significant difference in her life. Your recommendation means a lot to us, and we appreciate your trust in our program!
Après avoir essayé plusieurs endroits, j’ai finalement trouvé celui qui m’a vraiment aidé! Chris et Sam sont génials, mon chien ne pouvait pas voir un chien sans japper à n’en plus finir, et aujourd’hui, elle était à environ 2 pieds d’un autre chien, sans laisse, trop occupée à jouer pour avoir envie de japper, ce qu’elle n’aurait jamais fait avant! Je recommande à tous ceux qui ont besoin d’aide avec un problème de comportement ou juste d’éduquer leur chien!
Response from the owner:Merci beaucoup pour votre retour positif, Emilie! Nous sommes ravis d'apprendre que Chris et Sam ont pu aider votre chien à surmonter ses problèmes de comportement. Votre recommandation signifie beaucoup pour nous! Nous sommes impatients de continuer à vous soutenir dans le futur.
Chris has been training and taking care off my dogs now for 8years. Would not trust anyone else with them.
Response from the owner:Thank you for your kind words! We are so grateful for your trust and loyalty over the past 8 years. It has been a pleasure caring for your dogs and we are honored to be your go-to for their training and care. Thank you for allowing us to be a part of your furry family's life!
Very knowledgeable dog trainers. A place I trust with my very reactive Doberman, which a lot of others wouldn’t be able to handle. But at Seirious K9, they didn’t give up. She’s a different dog now. Couldn’t be happier !
Response from the owner:Thank you so much for your wonderful feedback! We are thrilled that we were able to help your reactive Doberman and make a positive difference in her behavior. It means a lot to us that you trust us with your pets and we are so happy to hear that she is now a different dog. We appreciate your kind words and are grateful for the opportunity to work with you both. Thank you for choosing Seirios K9!
We have introduced our 2 dogs to Chris (owner) and his staff and have asked them to help us with improving their behaviour and obedience. They have provided a personal, sympathetic and professional approach to help families with their pets and their needs. My wife and I highly recommend Serious K9.
Chris has built and accomplished a reputable and respectful environnement in this industry.
Thank you and your staff for providing a great service to us.
Until the next pup !
Response from the owner:Thank you so much for your glowing review! We are thrilled to hear that you and your wife had a positive experience working with us to improve your dogs' behavior and obedience. It means a lot to us that you appreciate our approach to helping families with their pets' needs. We are grateful for your recommendation and kind words about our reputable and respectful environment. Thank you for trusting us with your furry family members, and we look forward to working with you and your next pup in the future!
excellent!!! je recommande ça hésitation!!!
Response from the owner:Merci beaucoup pour votre recommandation! Nous sommes ravis que vous ayez eu une excellente expérience avec nous. Votre soutien et votre confiance signifient beaucoup pour nous. Merci d'avoir pris le temps de partager vos commentaires positifs. Nous sommes impatients de vous revoir bientôt!
I highly recommend this canine training center. Great staff!! Thanks Sam, Chris and Joey!
Linda and Diezel
Response from the owner:Thank you Linda.. greatly appreciated.
Chris, Sam, Joey and Todd are the best!
Response from the owner:Thank you for your kind words! We're thrilled to hear that Chris, Sam, Joey, and Todd provided you with excellent service. We will make sure to pass along your positive feedback to them.
Chris, Sam and usually any trainor he hires under him. They take time to understand the needs of each individual dog and try to train the owner as much as the dog.
Great staff, know their stuff, trained my puppy in around 5 months. I have been going to every saturday day class for almost 2 years now. Would recommend!
Response from the owner:Thank you Nerds4life we appreciate you loyalty and support. ❤️
It's a fantastic place to go to learn and train your dog. They understand dog behavior very well and can help you with any behavior issues. It's amazing how every time I return from my training with the dog he improved so much. The tricks they give me work very well.
Response from the owner:Thank you Karim greatly appreciate your kind words..
give Vasco a hug from all of us 😊
AMAZING SCHOOL FOR ALL DOGS , GREAT OWNER MR CHRIS AS WELL AS A AMAZING TEAM OF TRAINERS. I HAVE TRAINED MY SYBERIAN HUSKY AS WELL A MY GERMAN SHEPERD THERE AND HAVE 2 WELL BEHAVED DOGS NOW !!! I ALSO USE THE DAYCARE SERVICE WHEN I LEAVE TOWN AND MY DOGS ARE ALWAYS VERY HAPPY TO STAY THERE . I HIGHLY RECOMMEND THIS ACADEMY FOR ANYONE WHO HAS A DOG WHO WOULD LIKED TO BE TRAINED OR REHABILITATED . CHRIS DID A 1 ON 1 WITH ME AND MY DOGS TO SEE EXACTLY WHAT THEY NEEDED TO BE TRAINED ON . THANKS TO THE WHOLE SERIOUS K9 ACADEMY TEAM !!!
Response from the owner:Thank you Ali for the very kind words. Greatly appreciated. Thank you for trusting us with your girls..
I highly recommend this trainer!
Especially if you have a high energetic dog!
Our Malinois is thriving and he has become a model citizen!

Don’t even think about it! Bring your fur friend to them and you won’t be disappointed!!!
When it came to training my nut of a dog, they did they best job! 100% recommend this team!
We just started training at Seirios with our 6 month old Doberman Drax . He’s a hanfull, but we’re getting there. Chris was very nice to us on our first meeting and explained in details the program he was offering . So far we really enjoy training with Todd and the rest of the staff seems very nice
Response from the owner:From all our team Thank you so much for those kind words we really appreciate it.
Give Drax hugs from us. 😊
Just started my puppy bouvier. He's 14 weeks. Loved the hands on personal service. Professionals and respectful. My Baloo loved the attention and most importantly, learning something new.
Response from the owner:Thank you for the kind words Nancy really appreciate it 😊
Give Baloo a nice big hug from all of us.
I love working with Chris and his team. They have helped me a lot with training my rescue Xiasi Hound. Lucky learned to socialize, heel, going to his place and his crate, plus reinforcing all of the standard commands. Friendly, professional and genuinely concerned for our dog. I highly recommend the Seirous K9 Academy.
Update:
Lucky's died and we now have a new puppy, T-Rex. The Seirios K9 academy team is working with me to train T-Rex to be our dream dog.
Response from the owner:Thank you Robert.. always a pleasure.
I called early this year for information about training our recently adopted Poojter mix from Lebanon. Chris was very informative and gave me all the details of their program. I've heard good things about Seirios online. Due to our budget we didn't signup with Seirios but their training looks top notch.
Response from the owner:Thank you so much for the five-star rating! We are thrilled to hear that you had a positive experience with us. Your feedback and support mean the world to us. We truly appreciate you taking the time to share your kind words. We look forward to serving you again in the future!
Great place.
Response from the owner:Thank you Frank greatly appreciated 😊
Cest la Meilleure place pour vos chiens. Ma Jasmine de 8 ans est un tout autre chien après 45 jours seulement.
Jasmine vas là depuis le début fin novembre. Elle a 8 ans et jamais été dans un école de dressage. Apres 1 mois, je vois déja la différence. Chris, Sam et Joey ont changés notre vie ! Ils adorent les chiens et ca parait. Ca en vaux l'investissement. Je peux maintenant marcher avec mon chien et elle n'est plus réactive aux autres chiens. Je les adores et recommande cette place à tous ! Martine
Response from the owner:Merci Martine.. on aime Jasmine ton petit cheval que tu passe pour un chien 🤦‍♂️😂
What an amazing experience Billie and I had with Chris, Joey, Sam, and all the other members. I can truly say that I have a dream dog with all their hard work. It’s amazing what they have thought to my dog in such a short period of time!
Response from the owner:Thank you Maxim 🙂
We have to say it’s not only what we’ve done with Billie but your consistent work.. keep up the great work.
Chris and his team have done amazing work with my dog in a short time. Invest in your dog with these guys and you will not regret it.
Response from the owner:Thank you Matt, much appreciated.
Bonjour,
je voudrais dire Merci et félicitation à toute l’équipe de Seirios K9 pour leurs superbe travaille qu’il font avec JACK ils ont super et jack adore aller à l’académie je recommande Seirios K9 à 100% a tout les gens qui veulent faire dresser leurs chiens.
MERCI
Chantale & Martial
Jack
It had been a few years since I had owned a dog. When we adopted our puppy I thought it would be like riding a bike, however life was about to give me a rude awakening. She became a little too much for me to handle and finally admitted defeat, I needed help. Chris’ services came highly recommended and so I gave him a call, little did I know he’d be a blessing in disguise. Our Pup was enrolled in the Doggy Day School program and we immediately saw results. She was beginning to listen better, learning proper obedience and how to socialize with other dogs. We were so pleased with the results that my husband and I extended her enrollment after her 1-month program was complete. I love Chris and his staff, and our dog gets excited every time I drop her off. True team of professional, patient and caring dog lovers. Highly recommend their services!
Response from the owner:Aww.. Thank you Christina.. give Lucifer (oops thinking out loud again) Lucy a if from us 😁🤷‍♂️🤦‍♂️
Exceptional daycare service for a very reasonable price. My dog loves coming here and making friends and spending some of her insane amount of energy.
Un gros merci, tellement une bel approche autant avec nos toutou que nous en tant que clients. Une patience extrême et un experience qui nous aide à progresser. vraiment je recommande cet école à tous. Je ne serais comment remercier Christ et Orféo pour leur travail acharné. Merci encore!!!
Chris showed me the ropes when it comes to dog training. He was my hands on trainer during my time at the Montreals dog training network. He's been a great mentor and is always available when I need him. I couldn't recommend him enough!
L’investissement en vaux la peine, une bonne éducation pour les chiens mais aussi pour les maîtres.
Ils ont changer ma vie avec ma Bella !!!
My Samoyed Nikita , went for training at Seirios K9 Academy.
Could not have asked for a better teacher. Chris Papakostas, owner and head trainer, is patient , kind , professional and above all, totally understands our furry friends . I highly recommend his establishment for all your doggy training concerns.
Highly recommend Seirios K9 for any type of training for your dog. We drive all way down from Ottawa just for the training with Chris, facility principal. Service is professional. 5 stars - no hesitation!
Response from the owner:Thank you Youri it was fun working with you guys and obviously Colt... 🙂
very passionate about his work takes the time to get to know your fur babies to ensure that they're comfortable before beginning the training very patient and explain the process of what he will be doing. we were very satisfied with the way he handled our fur baby.

Thank you
me and my dog will always be grateful for the work chris has done for us !!

it’s a no brainer and highly recommend
My husband and I used Chris's services to train our 3 yr old dog . It was an incredible experience as Chris is excellent at what he does and really connects with the dog . We highly recommend him !
Chris made the impossible, possible with my skittish GSD!!!! She is now sure of herself and oh..soooooo...attentive and well mannered!! Can't thank Chris enough! She is now the dog I've always wanted�
We brought our Bernese Mountain Dog (a rambunctious puppy of 8 months) to board and train with Chris for 3 weeks and we are thrilled with the results. Before her training she would bite, jump, eat everything made of paper, and was not obedient. At 8 months and 80 pounds she became overbearing and sometimes aggressive and we were unable to control her. Since her 3 week boot camp she is a wonderful, obedient, well behaved and loving puppy. We are very thankful to have found Chris who really pays attention to your expectations as a dog owner. At first we were hesitant about using an e-collar but Chris discussed its pros and cons at length as well as all of the other collar options. As of today, the benefits of the e-collar are outstanding, with the pup no worse for wear. We rarely keep her on a leash because she is so obedient. We trust Chris completely, found him to be honest and attentitive to our needs. We highly recommend Chris and Seirios k9 Academy to anyone.