Which domain extension is right for an Australian business?
Australia has a tiered domain system and the right choice depends on who you are serving.
.com.au is the most trusted extension for Australian businesses. It signals local presence to customers and search engines, and is strongly preferred for local SEO. To register .com.au, you need an ABN (or ACN) and the domain must closely correspond to your registered business or company name.
.au (the shorter form, introduced in 2022) gives Australian businesses a more concise option. It has the same eligibility requirements as .com.au - you need an ABN and a name match - but it is shorter and increasingly accepted, particularly in tech and consumer brands. If both .com.au and .au are available for your name, register both.
.com remains essential for any Australian business with international ambitions. Overseas customers, international investors, and global media default to .com. For businesses serving both Australian and international audiences, .com.au for local trust and .com for international reach - redirecting one to the other - is the standard approach.
NameCraftr checks .com, .com.au, and .au availability in real time for every suggestion so you can see your options across all three extensions together.
Haven’t settled on a business name yet? Start with the business name generator first, then come back here to turn the name into a domain. If you don’t need the AI-specific angle, the standard domain name generator covers the same availability workflow for any Australian brand.
How to find the right domain name with the generator
The generator performs best when you describe your business specifically rather than by category. “Australian bookkeeping software for tradies managing job costs and GST” returns more relevant and available suggestions than “accounting software”. Specificity also tends to surface names that are easier to register as .com.au because they are more distinctive.
When evaluating suggestions:
- Say it aloud without spelling it. If the other person asks you to spell it, that name will require extra effort every time it is shared verbally at events, in referrals, and in press coverage.
- Check all three extensions. NameCraftr shows .com, .com.au, and .au availability together. A name available across all three is worth prioritising.
- Check .com.au eligibility. Your domain must closely and substantially relate to your registered business name. If you are trading under a nickname or abbreviation, make sure the matching business name is registered with ASIC before trying to register the domain.
- Google the exact name. Check for existing businesses or associations in Australia and internationally that could create confusion.
After the generator: securing your Australian domain
Once you have a name you want:
- Register .com.au and .au immediately through an AUNIC-accredited registrar (Crazy Domains, VentraIP, Netregistry, GoDaddy AU). You will need your ABN and the domain must correspond to your business name.
- Register .com at the same time if available. Even if you primarily use .com.au, owning .com prevents competitors or squatters from creating confusion.
- Set up auto-renewal on every domain. Domain expiry is an entirely avoidable crisis - you lose email, your website goes dark, and the name becomes available to re-register.
- Enable WHOIS privacy on your .com registration. Note that Australian ccTLD registrations (.com.au, .au) through auDA-accredited registrars have their own WHOIS policies - check what your registrar offers.
- Register your business name with ASIC before registering .com.au if they are not already aligned. The eligibility check is strict about the name match, and it is faster to resolve this before purchasing than to discover the problem after.
Common Australian domain naming mistakes
Not registering .com.au because you already have .com. Australian customers instinctively add .com.au when searching for local businesses. If a squatter or competitor holds your .com.au, they capture customers who were looking for you. Register both extensions from day one.
Overlooking the .com.au eligibility requirement before branding. Founders sometimes develop a brand identity around a name and then discover the .com.au they want requires a business name they have not registered. The name match requirement for .com.au is strict - verify eligibility before committing to any name.
Using hyphens to get around unavailability. If “buildmate.com.au” is taken and you register “build-mate.com.au”, customers who hear the name will go to the unhyphenated version. Hyphens also look less professional in email addresses and on business cards. If the clean version is unavailable, choose a different name.
Forgetting to register the .au (short form) alongside .com.au. Since the .au extension launched in 2022, many businesses have secured the .com.au but not the matching .au. They are separate registrations with the same eligibility rules. If both are available, register both.
Delaying defensive registrations. Squatters specifically watch for growing Australian brands and register .com for businesses that only hold .com.au. Register .com at the same time as your Australian domains even if you do not plan to use it as your primary.