Williams Nancy G
Service area: Based in Manchester, MD; serves clients in surrounding counties including Carroll, Anne Arundel, Baltimore, and Harford, with teleconsults available nationwide.
Service Overview
Types of Dog Training
- Behavior Modification
Specialty Focus Areas
- Reactivity / Aggression
- Jumping on People
- Barking Excessively
- Separation Anxiety
- Biting / Nipping
- Potty Training
- Fearfulness
- Resource Guarding
Training Formats Offered
- Private Lessons
- In-Home
- Private Facility
- Video Calls
Program Formats
- One-Time Consultation
- Sessions Package
- Ongoing Weekly
- Intensive Program
Types of Dogs
- Large
- Working
- Terriers
- Doodles
Age of Dogs Trained
- Puppy (<1 year)
- Adolescent (1-2 years)
- Adult (2-8 years)
- Senior (8+ years)
Dog Training Methodology
Methods:
- ✓ Positive Reinforcement Only
Equipment:
- ✓ Clickers
- ✓ Food Rewards
- ✓ Harnesses
- ✓ Head Halters
Each program begins with a detailed behavioral evaluation via phone, video, or in-person, followed by a customized plan involving owner education, environmental management, and positive reinforcement techniques. Follow-up sessions are scheduled as needed, with options for ongoing support, home visits, and teleconference check-ins. Programs are tailored to resolve specific issues like aggression, anxiety, or house soiling, with close collaboration with the owner’s veterinarian.
Pricing & Policies
Pricing Summary
Fees are individualized based on the complexity of the case and are not set; a phone consultation is required to determine cost. No fixed packages are listed, and pricing is determined after an initial assessment.
Policies
No specific cancellation or rescheduling policies are stated on the website. Clients are advised to call directly to discuss case details, fees, and scheduling.
Testimonials
“I reached out to Nancy for help with my rescue dog’s severe anxiety and fear aggression. I’d worked with trainers for years, but he still struggled, especially at the vet. I chose Nancy because of her experience with pit bulls, and we’ve made incredible progress in a short time. One of our biggest goals was helping him tolerate a muzzle for vet visits. Before, I couldn’t even take the muzzle out of the bag without him barking and snapping. After just a month of following Nancy’s plan, I can put the muzzle on him consistently and safely. It has been such a relief. I highly recommend Nancy to anyone needing behavior modification support. She does amazing work!”
– Client
“We were recommended by our vet to Nancy. We reached out regarding our dogs getting into a fight and injuring each other. We had no idea how much more Nancy was going to help us with than we expected. Nancy sat with us and gathered all information to understand our dogs. After speaking with Nancy we found out that our oldest dog is having cognitive decline so she recommended to get an appointment with our vet for a full work up seeing as she looked in pain. We actually found out she is suffering from Cushings Disease. We would have never known one that our dog was suffering worse than it looked and two that the fights could most likely be derived from her pain. I can’t thank Nancy enough for her humility and wealth of knowledge given to my wife and I to help us be educated moving forward.”
– Client
“I would give Nancy ten stars if I could. She has worked with multiple dogs within my family, and when my rescue dog started having behavioral issues, I knew who I had to call. Our rescue German Shepherd mix had been barking, whining, and acting agitated constantly since we adopted her, and over three years, we thought we had tried everything: daycare, training, multiple walks a day, everything the trainers suggested. We called Nancy as a last resort before we rehomed her because we could not figure out what was wrong. Nancy agreed to help us right away. Within an hour of talking to us and reading our intake forms, Nancy (who is also licensed as a veterinary nurse) determined the problem was medical, not behavioral, and wrote a letter to our vet explaining what she saw. With that letter, our vet quickly figured out the problem: our dog Clara had had a recurrent, undiagnosed UTI. After much-needed surgery and pain management, Clara became the dog we had dreamed about owning. We would call Nancy again in a heartbeat for help with our pets. Her expertise is unparalleled, yet she is approachable and not condescending like some dog professionals are – she truly wants to help you and your furry friend. She is worth every penny. Thanks, Nancy!”
– Client
About the Trainer
Nancy Williams is an Associate Certified Applied Animal Behaviorist (ACAAB) and Registered Veterinary Technician (RVT) who specializes in behavior modification for dogs and cats with aggression, anxiety, fear, and other complex issues. She uses scientifically backed, humane methods focused on reducing stress and avoiding aversive tools, emphasizing collaboration with veterinarians to address both behavioral and medical causes of problems. Nancy has extensive experience rehabilitating dogs from high-profile cases, including the Michael Vick pit bulls, and has developed novel techniques based on physiological research like heart rate monitoring during training. She offers in-person, in-home, and teleconference consultations, and her approach is tailored to each dog’s unique needs, whether they are puppies, seniors, rescues, or dogs with severe reactivity. Nancy also educates owners on the dangers of popular but harmful training methods promoted online and teaches effective, positive alternatives.
She provides behavior consultations for issues like separation anxiety, leash reactivity, biting, fear of people or vets, house soiling, and inter-dog aggression. Her facility in Manchester, MD, serves as a base for evaluations, but she also travels for in-home visits and offers video consultations nationwide. Nancy’s unique combination of veterinary nursing expertise and advanced animal behavior credentials allows her to identify underlying medical conditions that mimic behavioral problems, such as UTIs or Cushing’s disease, which other trainers may miss.
She also designs and sells gentle training equipment like the Snoot Loop Head Collar and offers educational resources, including videos and publications, to support long-term success. Nancy is a certified Fear-Free instructor and actively contributes to national standards in animal behavior certification and veterinary behavior education.
Accomplishments
Nancy Williams holds a Master of Arts in Experimental Psychology with a focus on animal behavior, is an Associate Certified Applied Animal Behaviorist (ACAAB), and is a Registered Veterinary Technician. She was part of the ASPCA team that evaluated and rehabilitated the Michael Vick pit bulls. She developed the first national certification exam for dog trainers as president of the Certification Council for Professional Dog Trainers (CCPDT). She has published research on dog behavior and stress, served as an expert witness in animal behavior cases, and is a certified Fear-Free instructor. Her work has been featured in veterinary publications and Jim Goran’s book, The Lost Dogs.
How to Get Started!
Prospective clients must call Nancy directly at 410-374-1556 to discuss their pet’s behavior issues. After an initial phone conversation, she determines the best course of action, which may include an in-person, in-home, or video consultation. A detailed intake form is required prior to evaluation.

Contact Information
Availability
- Weekdays
- Weekends
- Morning
- Afternoon
- Evening
Hours
9am-6pm
Certifications
- Credentialed
Associations
- APDT
- IAABC
- Accredited
Languages
- English
Misc Features
- wheelchair accessible parking
Other Services Offered
- Pet supply store
- Pet trainer
Location
4328 Millers Station Rd, Manchester, MD 21102Listing Tools for Trainers
For Williams Nancy G Only
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