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What our clients say

reviews

Justin
Justin | Sterling

This training is the real deal. Mark is the best of the best when it comes to temperament reading and getting to the root of your problems on the initial visit. You can argue that website tips and ...

Christopher
Christopher | Fairfax

Mark is absolutely incredible trainer. My dog Shopia was really reactive on leash with other dogs even just passing by other dogs from a distance. She was a rescue and was abused with no ...

Michelle
Michelle | Lovettsville

We were looking for a dog trainer to help us with leash training and dog aggression. Ruby was the best dog except on a leash and when she saw other dogs. It was very embarrassing how she turned from a...

Nancy
Nancy | HERNDON

This is our second time using Bark Buster's. Twelve years ago we used BBs for our Sheltie to correct barking at our fence line and at the front door. We were totally amazed that the issue was ...

Sandra
Sandra | Aldie

Mark was incredible! My dog went out on our balcony for the first time EVER without barking her head off during the first training session! She waited for us to go up the stairs, didn't bark for the ...

Julie
Julie | Fairfax

I am just amazed to see the instant results after just our first meeting. My dog Diesel is a rescue that came from a no rules background and needed help with all his manners and learning the rules. I ...

Anil
Anil | Ashburn

Mark did an awesome job with our new puppy! He was very helpful, had great insight and literally performed miracles in front of our eyes with our puppy. I would highly recommend Mark to all puppy/dog ...

Heather
Heather | Ashburn

We are busy family who added a puppy to our lives, Mark @ Bark Busters was fantastic with our training. He came when it was best for our family and quickly designed an approach for us. Mark made the ...

Robert
Robert | Leesburg

Mark is amazing. We first worked with him in 2016 with our dog Spot. She was a rescue and shortly after we adopted her I tore my ACL so we had to develop some good dog manners really quick. Mark in ...

Ralph
Ralph | Oak Hill

We are repeat customers of Bark Busters. We have/had three Jack Russell Terriers all with separate issues. Mark was there to help us with our adopted 5-year-old JRT that was abused and neglected. ...

Russell
Russell | Sterling

To all dog lovers. If you are having trouble with your pet please give Mark a call at bark buster he is the best. He has made a big difference in our rescue dog. I highly recommend him!! The approach...

Karen
Karen | Vienna

Mark is amazing. He started yesterday to train me and my 9 week old puppy. the techniques he taught me and my pup started working immediately. No whining in her crate today,no nipping or jumping. I am...

Heather
Heather | Ashburn

We are a busy family who added a puppy to our lives, Mark @ Bark Busters was fantastic with our training. He came when it was best for our family and quickly designed an approach for us. Mark made the...

Gina
Gina | Leesburg

We just had our second visit with Mark Renshaw and we are happy with the results shown to date. Our puppy is making great progress since the first session and Mark was very helpful with suggestions ...

Ginni
Ginni | Leesburg

We called Mark from Bark Busters after one of our neighbors recommended him to us. We have two Vizlas, both 17 months old and we were looking to get some help to get them trained in basic manners. We ...

Graham
Graham | Reston

Signing up with Mark at Bark Busters has been one of the best investments we've made in years. His intuitive read on dog behavior and patient training of dog owners have made significant improvements ...

Marina
Marina | Vienna

Incredibly impressed. We interviewed a few dog trainers. It was an immediate decision to hire Mark upon meeting him. I didn't want to use pain collar training, I wanted those 30,000 year old tried and...

Will
Will | Vienna

Outstanding training! I have recommended Bark Busters to all my friends and family who have dogs. I first met Mark 11 years ago when we brought home a very rambunctious black lab puppy named Buddy. ...

Nabila
Nabila | Ashburn

I am so glad that there is Bark Busters, for new dog owners like me. I have a 10 month old Brittany Spaniel, who has a mind of his own. I didn't think twice, to what I was getting myself into when I ...

Dennis
Dennis | Ashburn

Mark Renshaw is a Master Trainer/Behavioral Therapist and we sought his expertise in helping us train our puppy dog Blue. The methods he utilize were wonderful. No tricks, no gimmicks, just ...

Catherine
Catherine | Ashburn

Mark at Bark Busters Northern VA was SO helpful with our 8 month old puppy. Our dog wasn't bad, but he had some naughty habits that we wanted help with. Mark made us really comfortable and explained ...

Diane
Diane | Chantilly

Every walk with my 3 dogs gets better and better! I'm so proud of them! I can walk all 3 (current weigh in: Mojo the puppy at 39lbs, Buddy 58lbs and Sherman 96lbs) without a pull or a yank or ...

Diane
Diane | chantilly

A few months ago I added a new puppy to my already full house (2 dogs and 2 cats) and my life went insane. There was a lot of tension and bickering and I was thinking I made a huge mistake. Was I ...

Amber
Amber | Reston

We adopted Myka as an older dog. She was coming into our family needing to be great with kids and other dogs. We quickly discovered that she had dog aggression and walking her was a very stressful ...

Wayne
Wayne | Ashburn

We rescued Lance a couple of weeks ago. He is a 2 1/2 year old black Lab. Lance had a lot of bad habits such as jumping up when people came into the house. He counter surfed, and showed aggression ...

Erik
Erik | Ashburn

Our nine year old blue heeler-pit bull mix (cattle dog/working dog breed) rescue, had, since he was a puppy chased his tail obsessively. After our second child was born, his behaviors escalated and ...

Risa
Risa | Vienna

Our newly adopted young dog was very affectionate and smart -- and loud! Barked when she heard something outside, when someone came to the front door, and went completely crazy when other people or ...

Dan
Dan | Herndon

Excellent dog / people training. Mark's training in 1 session helped us understand what is needed to ensure our dog sees us as the Alpha and obeys commands. We had trouble keeping our Dog in line It ...

Allesandra
Allesandra | Vienna

I am so glad we found Mark at Bark Busters! I never write reviews, but he truly is terrific! One of our rescue dogs, Savannah, was constantly barking at everyone - even family! In just our first ...

Meghan
Meghan | Herndon

We recently adopted two rescue hounds and recognized that they as well as us needed training. We saw immediate results while working with Mark during the first session as far as responsiveness to ...

Rahul
Rahul | Aldie

Before Mark came to access our beloved dog Rocky a 5 and a half month old chocolate labrador retriever, Rocky had made our life very busy and frustrating as he would not listen to us and be hyper ...

Mike
Mike | Ashburn

By far the absolute best dog trainer. Immediate results through a simple, straightforward, and caring approach. Mark is amazingly knowledgeable and works incredibly well with not only the dog but also...

Stephaine
Stephaine | Chantilly

Mark Renshaw from Bark Busters is knowledgable, professional and exceptionally talented in teaching dog training skills. We've been so impressed with Mark's seemingly wide range of problem-solving and...

Phil
Phil | Leesburg

Mark has done an excellent job in just one session helping us with our two golden retrievers. Our puppy had been counter surfing, barking, stealing, getting on furniture, jumping on visitors to our ...

Ralph
Ralph | Reston

We were referred to Mark by our vet after trying a couple of other trainers. Other trainers could work with our puppy, but few could transfer those skills to us. As my wife had been traumatized by a ...

Harry
Harry | Chantilly

We can't thank Mark Renshaw enough for his help getting our dog Annie's walking habits under control. Annie used to bark non-stop during walks, and lunge towards squirrels, motorcycles, trucks, and ...

Gibson
Gibson | Sterling

Mark Renshaw from Bark Busters came by for our first training session and I can already see a difference. By simply teaching a new "command" and establishing dominance i can see that "Zoe" will be ...

Jesse
Jesse | Reston

Mark was fantastic, he explained everything very clearly and worked well with myself and my dog. The training methods he showed us were simple and easy to grasp. My dog showed a lot of progress and ...

Jessica
Jessica | Fairfax

Mark has done wonders with our 2 year old pup, Sansa. After just one training session, she was acting like a new dog. We could not be happier with the results, and are so very thankful we have ...

Maria
Maria | Ashburn

I was very impressed with Mark and the Bark Busters program. Mark really knows and understands dogs and the program worked very well for my dog! I love how it's a lifelong program. That gives me peace...

Rishi
Rishi | Ashburn

Mark has done an amazing job with our puppy. After his first visit, it was like she was a different dog. Some of the changes from the first visit: - no longer pulling on leash - no longer running to ...

Lissette
Lissette | Leesburg

Mark is an amazing dog trainer! We started working with him when our Labs were just puppies and since that time, they have learned to listen and obey our commands. He truly loves working with dogs and...

Tim
Tim | Vienna

Mark was great. By the end of the first session we saw an incredible difference with our dog (8 year old shih tzu). She calmed down dramatically and her incessant barking was almost completely ...

Sharon
Sharon | Reston

We had a great experience with Mark on his first visit. We needed to get our 7 month old adopted Belgian Melanois/GSD puppy manners and most of all to get along with our 9 year old cat. Roxie was ...

Andrea
Andrea | Ashburn

We were in deep trouble. We have an aggressive 100 pound guard dog, and 2 smaller rescue dogs with all kind of issues. It took us awhile but we realized that we need professional help. Mark called and...

Doreen
Doreen | Ashburn

Our dogs had terrible barking issues. They barked at every person and dog who walked by our house, they barked at animals on TV, they would go crazy barking at other dogs when we went for a walk, one ...

Teresa
Teresa | Sterling

After our first training season with Mark our lab Abby was a much better behaved dog. In the past Abby had us trained to get up two and three times during the middle of the night just to take her ...

Joni
Joni | Ashburn

We were having aggression issues with our one year old springer spaniel as well as some bad behavior problems like jumping on people and pulling on the leash. We were assigned to Mark Renshaw and ...

Tina
Tina | Brambleton

Milo spent the first 5 years of his life tied up in a backyard or in a shelter. He had zero experience living in a house. To make matters worse, I had zero experience with the bully breeds. The first ...

Adila
Adila | Ashburnn

I didn't really have high expectations for this training and questioned the ability for anyone to change my dog. Especially my dog! But, I have to say, even after one session the difference Mark's ...

Jackie
Jackie | Herndon

Mark came to the training prepared and Helped us with our Lab overcome fright of the stairs. Something had happened that made him not want to climb the stairs. Mark worked with us and Puck and gave ...

Larry
Larry | Leesburg

We adopted Daisy (boxer/hound mix) from a rescue organization. She was a good dog inside the house but horrible when we tried to walk her. Rabbits, squirrels and deer triggered her prey instinct. ...

COMMON BEHAVIOR

IN DOGS

Most behavioral issues are learned based on both experiences and environment. That’s why in home dog training is so effective because this is where most behavioral issues occur because it’s where your dog feels the safest. Because your dog can’t speak English and you can’t “speak dog” many miscommunications occur. At Bark Busters, we can teach you how to communicate with your dog in a language he understands.

Does your dog bark constantly when it’s not appropriate?

Does your dog get stressed when you leave?

Does your dog chew and dig out of boredom or otherwise?

Toilet training your puppy should start as soon as the puppy is home with you.

Does your dog continuously repeat certain behaviors more than normal?

Is your dog aggressive toward humans or other dogs?.

Does your dog pull on his leash during a walk and try to walk you?

Areas

We Service

Loudoun County and Fairfax County

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Bark Busters, the world's largest in-home dog training company, is proud to introduce a new product called the WaggTagg™ dog tag for pets which helps dog owners to locate their lost dog using QR code technology. The WaggTagg™ is FREE to every new Bark Busters client.

The GameChanger® is the revolutionary new dog toy that will keep your dog busy for hours. Simply open up (easy for humans - hard for dogs) the GameChanger® and fill with his favorite treats. He will be happily occupied working out how to make the GameChanger® spill out its treats.

Make pulling on the lead a thing of the past. This one-of-a-kind harness is easy to use and needs little effort to get your dog walking by your side using it's patented, revolutionary communication system.