How to Introduce Your Puppy to Other Dogs Safely
The first time your puppy spots another dog across the park, whatever you'd been working on disappears. Ears up, body forward, all the training from five minutes ago is gone. That's normal. A puppy that's too worked up can't listen to you and can't read the other dog properly either, which is exactly when introductions go wrong. Luke Buchanan, owner of The Toe Beans Co and Sydney's puppy trainer, keeps every introduction to the same small set of rules: dogs you actually know, matched for size, and never used as a shortcut for recall practice.
By the end of this you'll know how to set up a calm first meeting, what to do if the other dog gets too excited, and how to get the socialisation done before the window closes.
Why the first few introductions matter
A puppy's early meetings with other dogs decide more than whether they like that one dog. They build the pattern your puppy uses for every dog they meet after that. Get a run of introductions wrong, repeated chaos, an overexcited dog crashing in, a scary encounter with a stranger's dog at the park, and you're looking at an adolescent that lunges and barks at the end of the lead whenever another dog appears.
None of this is about punishing a nervous or overexcited puppy for reacting badly. The fix sits with the setup, not the puppy. Socialisation done well, week by week, is what prevents most of the reactivity problems that show up later.
Before you introduce your puppy to another dog
Two things need to be true before any meeting happens.
The other dog needs to be vaccinated and known to you. Not a stranger's dog at the park, not a dog you've only seen from a distance. A dog you or a trusted friend already knows, with a vaccination status you can actually confirm. Check what your puppy needs before any of this starts if you're not sure where they're up to.
The dogs need to be matched for size and weight, not age. A twelve-week-old German Shepherd can already outweigh a six-month-old dachshund. Age tells you almost nothing about how a meeting will go physically. Weight and build tell you a lot more.
How to introduce your puppy to another dog
Once you've got a known, vaccinated, size-matched dog lined up, the meeting itself is straightforward.
- Meet on lead, on neutral ground. Somewhere neither dog considers home turf. Keep the lead loose. A tight lead reads as tension to your puppy before either dog has done anything.
- Let them approach at their own pace. Don't drag your puppy toward the other dog, and don't let the other owner do the same. A sniff, a bit of circling, then space. That's a good first minute.
- Step in if the other dog crashes in too hard. An overexcited dog barrelling into a puppy at full pace doesn't read as play to a puppy. It reads as a threat, and that's how fear associations get built. Increase the distance or ask the other owner to call their dog off.
- Don't use your puppy's recall to end the play. It's tempting to call your puppy back when you want the interaction to stop, but every time recall means the fun ends, you're wearing down a command you'll need for the rest of your puppy's life. Move away with your body and your voice instead, and keep the actual recall cue for when your puppy needs to come away.
- If something unexpected happens, make nothing of it. A sudden bark, a dog appearing at the fence, a loud noise nearby. Don't soothe your puppy with your voice or a cuddle. That rewards the worry. Stay on the lead, keep walking or turn calmly with your back to whatever's happening, and give the affection once your puppy has actually settled.
- Repeat with the same dogs before widening the circle. A handful of calm meetings with dogs your puppy already trusts builds the foundation for meeting new dogs later, including the supervised, size-matched group settings you'll find at a proper puppy school.
Common mistakes that get in the way
The biggest one is treating an unfamiliar dog at an off-lead park as a socialisation opportunity. You don't know that dog's vaccination status, its temperament, or how it behaves around puppies, and once it's off-lead and closing the distance fast, you've got no control over how the meeting starts. Save socialisation for dogs you actually know.
The second is calling your puppy away every time you want an interaction to stop. Recall isn't a pause button. Use distance and redirection instead, and save the actual cue for the moments that matter.
The third is tightening the lead as the dogs get close. Your puppy reads your body before it reads the other dog's. If you can't keep your arm loose, you're too close. Add distance until you can.
How to know it's working
A good sign early on: your puppy notices a known dog, doesn't fixate or strain toward it, and comes back to you easily when you want their attention, without you needing the recall cue to get it. Later, they'll greet calmly, play without constant intervention, and settle again once the other dog's gone.
Most puppies get comfortable with this fairly quickly once the same dogs and the same rules are used consistently. What throws it off is inconsistency: different rules with different dogs, or an occasional off-lead park visit thrown in, undoes the pattern you've been building.
A Note on Noise
It is not uncommon to hear owners say "my dog was attacked when they were a puppy". When we dig into this, it is most commonly that their puppy squealed and made a terrible noise, making it sound like they were going to be eaten. This is not a problem. Similar to the blood curdling scream a young child can give when playing in a park, this is not necessarily a market of how the playtime is going. It usually just means that your puppy is saying "i don't want to play anymore" or more commonly, "I want to play my way and you are not letting me"
Want help putting this into practice?
The Toe Beans Co runs a free SKOOL community where Sydney dog owners get access to training guides, questions answered, and direct support from Luke. It's free to join.
Upcoming puppy schools in Sydney
If you're in Sydney and want structured, in-person guidance for your puppy, including supervised introductions with other known, size-matched puppies, Luke runs puppy school at six venues across Sydney, and all six are taking bookings.
Check the puppy school program →
Frequently asked questions
Q: How old should my puppy be before meeting other dogs?
A: From 8 weeks, as long as the other dog is vaccinated, known to you, and the setting is controlled. The socialisation window closes at 6 months, so this isn't something to leave until your puppy's full vaccination schedule is finished. Structured puppy school with known, vetted dogs is the safest format for early introductions.
Q: My puppy had a bad first meeting with another dog. Is it going to be reactive now?
A: One bad meeting doesn't make a reactive dog. Reactivity comes from a pattern repeated over months, not a single rough encounter. Go back to a known, calm dog for the next meeting, keep the interaction short, and don't force another attempt straight away if your puppy needs a day or two to settle.
Q: Can I use an off-lead dog park for puppy socialisation?
A: It's not the right setting before your puppy's socialisation window closes at 6 months. You can't confirm the other dogs' vaccination status or temperament, and you've got no control over how fast an unfamiliar dog closes the distance. Known, vaccinated dogs in a setting you control, or a supervised puppy school class, gets you a far more reliable result.
