Choosing your dog trainer
A good trainer explains the why behind every piece of advice, comes to watch your dog at home, and works with rewards, never with a collar that hurts. Trust your gut too: this is the person you'll be making progress with. If they start talking about 'dominating' or 'submitting' your dog, walk away.
Why choosing the right trainer matters so much
Your dog's behaviour is a symptom, never the real problem. Pulling on the lead, barking, freezing: behind it there is almost always an unmet need, some fear, or a well-meaning human mistake. A good trainer looks for that cause instead of silencing the symptom. That's why the method matters as much as the person. A tool that works through pain (electronic collar, choke chain, prong collar) suppresses the behaviour without teaching the dog anything: the 'it works' effect is nothing more than fear-based inhibition, which damages your bond and can even breed aggression. Field comparisons prove it, right down to recall: you get at least as many results with rewards, without the stress.
Good signs and red flags
Two columns to find your bearings fast: what reassures you, and what should send you running.
Good signs
Red flags
How to check before you commit
Four simple checks tell you almost everything about a trainer.
Get them to explain their method from the very first chat
A good trainer justifies every piece of advice without jargon. You should be able to decide whether it fits your dog and the way you live.
Check that they come to your home and your environment
A dog's behaviour depends on the setting. A video call or a class in a hall doesn't show him in his everyday life and skews the analysis.
Watch how they approach your dog
Calm, at ease, not backing off at a bark, no prejudice about his breed. Their very first interaction says a lot.
Listen to how you feel after the first session
If the feeling isn't there, or if new troubling behaviours appear over the sessions, switch to another professional. That's clear-sightedness, not failure.
If a trainer suggests a muzzle to work safely with a reactive dog, that's not a bad sign. It's a temporary management tool, introduced gently by pairing it with something positive, never a punishment: you take it off as soon as the work allows.
Trainer, behaviourist or vet?
The dog trainer
- Everyday life: lead walking, recall, house-training, living in society.
- Socialising a puppy, channelling energy, setting clear boundaries.
- The right choice for building good foundations or undoing troublesome habits.
The behaviourist
- Established problems: aggression, biting, separation anxiety, phobia, guarding the food bowl or toys.
- Deep work on the emotion and the cause, not an obedience session.
- The one to turn to whenever a behaviour becomes dangerous or goes beyond ordinary training.
The vet (or veterinary behaviourist)
- Any behaviour that appears suddenly or worsens quickly.
- Any doubt about pain, physical discomfort or a medical cause.
- You always rule out the medical before concluding it's a training problem.
- AVSAB — Position Statement on Humane Dog Training (2021)
- China, Mills & Cooper — Efficacy of dog training with and without remote electronic collars vs. reward-based training (2020)
- Cooper et al. — The welfare consequences and efficacy of training pet dogs with remote electronic collars (2014)
- Herron, Shofer & Reisner — Survey of the use and outcome of confrontational and non-confrontational training methods (2009)
- Ziv — The effects of using aversive training methods in dogs: A review (2017)
- Vieira de Castro et al. — Does training method matter? Evidence for the negative impact of aversive-based methods (2020)
Go further
Frequently asked questions
How much does a dog behaviourist cost?
Prices vary a lot depending on the region, the format (at home, remote, in a group) and how difficult the case is: be wary of a firm price quoted before they've even seen your dog. The real criterion isn't the fee but the method: a professional who works with rewards, explains the why and comes to watch your dog at home is worth far more than a cheaper session with a collar that hurts.
What does a dog behaviourist do?
They deal with established problems, mostly emotional ones: aggression, biting, separation anxiety, phobia, guarding the food bowl or toys. Rather than teaching commands, they look for the cause (fear, an unmet need, a bad experience) and work on it gently, below the dog's reaction threshold. If the problem appeared suddenly, they'll point you to the vet first to rule out pain.
How do you train a fearful dog?
You never force him: dragging a dog towards what frightens him breaks his confidence and makes the fear worse. The right path is desensitisation: you present the trigger from a distance, far enough that the dog stays calm and will take a treat, then you close the gap in tiny steps, backing off the moment he switches off. Mark the right moment with a marker word ('yes!') followed by a reward. If the fear came on all at once, go through the vet first: a hidden pain sometimes lies behind it.
What's the difference between a dog trainer and a dog behaviourist?
The trainer helps you with everyday life: lead walking, recall, house-training, puppy socialisation, living in society. The behaviourist goes further, into established, emotional problems (aggression, anxiety, phobias), where the aim is to change an emotion, not to teach a command. Plenty of professionals do both: what matters is that they know when a case is beyond them and can point you elsewhere.
How do you spot a good dog trainer?
They explain the why behind every piece of advice without jargon, work with rewards, come to your home and stay at ease with your dog, with no breed prejudice. The feeling matters too: this is the person you'll be making progress with, and your gut is a good guide. On the flip side, 'dominance', 'submit him' or a coercive collar pulled out straight away are reasons to walk away.
Is it a problem if a trainer uses an electronic collar?
It's a clear red flag. These collars (electronic, choke, prong) work through pain or fear: they silence the dog without teaching him anything and raise stress and the risk of aggression, without being any more effective than rewards. In France, a decree of 19 June 2025 actually bans professionals (trainers, breeders, shelters) from using these collars: a trainer simply isn't allowed to bring one out any more. Look instead for a professional who works with reinforcement and managing the environment.
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