If you are choosing between .com.au and .au, here is the good news: neither option is automatically wrong. The better domain is the one that matches your eligibility, your audience and the job the name needs to do.
.com.au vs .au: what is the difference?
Both belong to Australia’s .au domain system and both are managed under auDA’s licensing rules. The real difference is who can register them and how the chosen name must relate to the registrant.
.com.au is designed for eligible commercial entities connected to Australia. The name must also have an accepted connection to the business. .au direct is a general-purpose option for anyone with a validated Australian presence, and the available name does not need the same business connection.
At-a-glance comparison
- Purpose: .com.au is business-focused; .au direct can suit businesses, individuals, ideas and projects.
- Eligibility: .com.au requires an eligible commercial entity; .au direct requires a validated Australian presence.
- ABN: commonly used for .com.au, but other eligibility routes exist; not required for .au direct.
- Name rules: a .com.au name must connect to the business; an available .au direct name offers broader choice.
- Length: yourbrand.au is shorter than yourbrand.com.au.
When .com.au is probably the better choice
Choose .com.au when you are building the primary website for an Australian business and want visitors to recognise that immediately. It is familiar, descriptive and specifically associated with commercial activity.
To qualify, the registrant generally needs to be an eligible Australian commercial entity. An active ABN or ACN is the most common route, although an ARBN or Australian trade mark may also provide eligibility in the right circumstances. Your chosen domain must connect to the business—for example through its business name, company name, acronym, trade mark, goods, services or activities.
The practical move is simple: check eligibility before paying, enter the actual business as the registrant and choose a name you can legitimately connect to what it does. See our guides to registering a .com.au domain and .com.au ABN requirements for the detailed process.
When .au direct may be the smarter fit
Choose .au direct when brevity matters, the .com.au version is unavailable, or you are creating an Australian idea that is not an established commercial business. Australian citizens, permanent residents, registered organisations and Australian trade mark holders are among those who may satisfy the Australian presence requirement.
You do not need an ABN or ACN just to register .au direct. You can also choose any available name you have permission to use, rather than proving the same connection between the name and a commercial activity.
The advantage is flexibility. The trade-off is perception: some customers may still instinctively expect an Australian business website to end in .com.au. That is not a technical problem; it is a branding decision. Ask which address your real customers are most likely to remember and trust.
Should an Australian business register both?
If the matching .com.au and .au are available and your budget allows, registering both can be sensible brand protection. Pick one as the primary domain for your website and email, then redirect the second name to it. Do not build duplicate websites and make Google—or customers—guess which one is official.
For many established small businesses, the straightforward order is: secure .com.au first, secure the matching .au second, and use the address that best fits the brand. For a new project or personal venture, .au direct may be the natural starting point.
Frequently asked questions
Is .au replacing .com.au?
No. auDA states that .au direct is not replacing .com.au. They serve different purposes and remain distinct options.
Is .com.au better for SEO?
Neither extension guarantees higher rankings. Choose the one that best communicates relevance and trust, then earn visibility with useful content, a technically sound website and a strong reputation.
Can I switch from .com.au to .au later?
Yes, if you are eligible and the matching name is available. Plan redirects and email changes carefully so visitors and search engines reach the new address.
Rules and evidence requirements can change. Confirm your situation using auDA’s current guidance for .com.au and .au direct.
See which name is available
Search your preferred .com.au and .au names, then register the one that fits your business best.