How to choose a dog trainer: questions and red flags

Quick answer

Choose a dog trainer who uses reward-based methods, explains clearly what they will do and why, and lets you watch a class first. The AVSAB recommends avoiding trainers who use aversive tools such as shock, prong or choke collars or physical intimidation. Dog training is not licensed in the U.S., so ask about education and certification, and for aggression or serious anxiety start with your veterinarian, who may refer you to a veterinary behaviorist.

Written byVeterinário Raiz TeamUpdated onOctober 12, 2026

How to find a good dog trainer — methods, credentials, questions to ask and red flags — following AVSAB and RSPCA guidance on humane trainin

Why the choice matters

Anyone can call themselves a dog trainer. The BLS notes that certification is not required, though it can help trainers establish credentials. That means the quality and methods of trainers vary enormously — and the wrong methods can make problems worse. The AVSAB position statement links aversive training with increased fear, stress and aggression.

Step 1: Rule out medical causes

If the problem is new, sudden or involves aggression, fear or house soiling, see your veterinarian first. Pain, thyroid disease and many other conditions change behavior. No trainer can fix a behavior driven by pain.

Step 2: Decide what kind of help you need

Need	Best fit
Puppy manners, basic cues, loose-leash walking	Group class with a reward-based trainer
Specific problem: jumping, pulling, barking at the door	Private sessions with a trainer
Fear, anxiety, aggression toward people or dogs	Trainer with behavior experience, working with your vet
Severe aggression, panic, compulsive behavior	Veterinary behaviorist

Step 3: Check methods first

Ask directly:

“What happens when my dog does it right?”
“What happens when my dog does it wrong?”
“What equipment do you use?”

Good answers talk about rewards, management and teaching an alternative behavior. Answers that mention “corrections”, “dominance”, prong, choke or shock collars, or “showing the dog who’s boss” are red flags according to both the AVSAB and the RSPCA.

Step 4: Check education and experience

There is no license, but there are signs of commitment:

independent certification that requires an exam and continuing education;
membership in professional organizations with a humane-methods code of conduct;
clear experience with your type of problem;
willingness to work with your veterinarian.

The O*NET profile for animal trainers gives a sense of the core tasks: evaluating animals, designing training programs and teaching owners.

Ask to observe a class without your dog. Look for:

dogs that look relaxed and engaged, not cowering;
short exercises with frequent rewards;
a trainer who coaches humans kindly and explains the why;
small class sizes and enough space between dogs;
the option for a nervous dog to take a break.

Red flags

Red flag	Why it matters
Guarantees of results	Behavior cannot be guaranteed
Prong, choke or shock collars	Linked to fear and aggression
“Fast fixes” for aggression	Real change takes time and a plan
Refuses to let you watch	You should always know what is done to your dog
Blames the dog’s “dominance”	Outdated idea that leads to confrontation
Discourages vet involvement	Medical causes are common

Step 6: Agree on goals and homework

Before starting, agree on two or three specific goals (“walks past other dogs at 20 feet without lunging”), how progress will be measured, and what you will practice at home. Training happens between sessions as much as in them.

Group class, private lessons or board-and-train?

Group classes are affordable and great for socialization and basics.
Private lessons focus on your dog’s specific problem in its real environment.
Board-and-train can work for skills, but you lose visibility. Insist on transparent methods, regular videos and handover sessions.

When to change trainers

If your dog seems more fearful, avoids the trainer, or the trainer pressures you to use equipment you are uncomfortable with, stop. It is always fine to end a training relationship that does not feel right.

Frequently asked questions

What is the difference between a dog trainer and a veterinary behaviorist?

A trainer teaches skills and helps with everyday behavior problems. A veterinary behaviorist is a veterinarian with specialized training in behavior who can diagnose medical causes and prescribe medication when needed, which is important for serious aggression or anxiety.

Should a trainer guarantee results?

No. Behavior depends on the dog, the owner's practice at home and the environment. Guarantees are a red flag; a good trainer will set realistic goals and explain how progress will be measured.

Is a board-and-train program a good idea?

It can be, but you cannot see what happens to your dog. If you consider one, confirm the methods in writing, ask for daily videos and insist on sessions where you learn to maintain the training yourself.