Understand Your Dog. Change the Behaviour. Build a Better Life Together.
Specialist dog behaviour support for aggression, reactivity, anxiety and complex behaviour problems.
I help owners understand why their dog behaves the way it does and create lasting change through education, practical training, and behaviour modification.
I do not simply suppress behaviours or teach commands around the problem. I look at the dog as a whole — their emotions, needs, environment, learning history and relationship with their owner.
How I help you and your dog
I look beyond the behaviour you can see to understand what is driving it. I then turn that understanding into clear, practical steps designed around your dog, your circumstances and your everyday life.
UNDERSTAND
I explore your dog’s emotions, triggers, environment, learning history and individual needs.
PLAN
I create a personalised, step-by-step approach—not generic advice or a one-size-fits-all programme.
CHANGE
You learn how to manage difficult situations, support your dog and create safer, calmer and more predictable daily life.
Why I Work Differently
I’m Karolina, a qualified canine behaviourist and the person behind Dog Behaviourist Online.
I work with dogs whose behaviour is difficult, confusing or sometimes frightening — from reactivity and aggression to guarding, overexcitement, fear and behaviours that seem to keep changing no matter what you try.
What interests me most is not simply how to stop a behaviour, but understanding why it is happening in the first place.
A dog rarely behaves “for no reason”. Behaviour develops from emotion, learning, environment, genetics, previous experiences and what the dog has discovered works for them.
My job is to put those pieces together.
I look at the whole dog, the situation around them and the patterns behind the behaviour. Then I turn that understanding into practical steps you can actually use in everyday life.
I don’t believe you need to dominate your dog, frighten them or constantly correct them to create change. My work is science-based, force-free and focused on helping dogs develop better ways of coping while helping their owners understand what to do differently too.
Because lasting behaviour change rarely comes from fixing the dog alone.
It comes from understanding the relationship between the dog, the person and the environment they live in.
I have more than five years of experience working with behavioural cases and rescue dogs, alongside advanced qualifications in canine behaviour, psychology, communication and training.
But qualifications are only part of what I bring to a case.
I’m naturally analytical. I want to know why something is happening, what is maintaining it and what we can change to produce a different outcome.
And if the obvious solution isn’t working, I keep looking.
That is the kind of behaviour work I love most.
Real Dogs. Real Progress.
Behaviour change is rarely instant or perfectly linear. These stories show what can happen when we understand what is driving a dog’s behaviour and give both the dog and their owner the right support.
MAX — From Constant Jumping & Grabbing to Calm, Thoughtful Choices
Max’s jumping, grabbing, chewing and attention-seeking were not separate problems. They formed a pattern around frustration, overexcitement and difficulty settling. With clearer routines, predictable transitions, calmness work and appropriate enrichment, Max began sitting quietly, waiting on his bed before meals and settling while Luis worked.
“There are two versions of Max starting to appear. I really like the calm one.”
WINSTON — Helping a Powerful Dog Feel Safer in the World
Winston was a powerful dog who became reactive outdoors and protective of his owners. His family learned to recognise early tension, create distance before he became overwhelmed, and build calmer responses through gradual exposure and positive associations rather than force.
FREDDIE — From Fear and Reactivity Towards Safer, Calmer Experiences
Veterinary visits and outdoor triggers caused Freddie to bark and lunge. Through threshold work, desensitisation, positive associations and comfortable muzzle preparation, his owner learned to respond earlier and reported calmer walks and safer management.
Every dog and outcome is different. These cases show progress achieved through individual assessment, consistent support and committed owners.
Customer testimonials
Frequently asked questions
Contact Me
Have a question about your dog’s behaviour or one of my online training plans? I’d love to hear from you!
Whether you’re struggling with a specific behaviour, want guidance choosing the right course, or simply need advice before starting — just drop a message below.
