What is a .com.au domain?
.com.au is the commercial second-level domain under Australia's .au namespace, administered by auDA. It is the default ending for Australian businesses and requires an Australian presence.
Australian customers trust .com.au, it is a strong local-search signal and the eligibility rules keep the namespace credible.
Prices correct as at 22 August 2026 in GBP. The exact first-year and renewal cost is confirmed at checkout in the secure client portal.
.com.au is the commercial second-level domain under Australia's .au namespace, administered by auDA. It is the default ending for Australian businesses and requires an Australian presence.
Australian companies, sole traders and online shops, and international businesses with a registered Australian entity or trade mark.
Australian customers trust .com.au, it is a strong local-search signal and the eligibility rules keep the namespace credible.
Serving Australia? See the local domain services page.
| Registration | £20.00 per year |
| Transfer in | £20.00 |
| Renewal | £20.00 per year |
| Registration period | 1 to 5 years |
| Privacy protection | Not applicable — auDA publishes limited registrant data |
| Eligibility | Requires an Australian ABN, ACN or registered trade mark, and the name must match or relate to the registrant |
| Internationalised names (IDN) | No |
| DNSSEC | Yes |
You remain the registrant. We handle setup and renewals without locking the domain away from you.
Registration, transfer and renewal prices are listed before you buy, not discovered at renewal time.
DNS, email records and website pointing are configured by the same team that registers the domain.
Domains, hosting and email sit in one client portal with one support contact.
Use the business or product name so the address is recognised immediately.
Names under three words are easier to say, type and remember.
Skip hyphens, numbers and unusual spellings unless they are part of the brand.
Choose the ending that matches where customers are and what they expect.
Look for existing trade marks and social handles before committing.
Good names are registered quickly; secure it as soon as the decision is made.
Customers assume a business has a .
.com details →It is one character shorter than .
.co details →It is one of the oldest and most familiar endings, it is widely available when the .
.net details →A .
.org details →The word explains itself in any language, which makes it a clear fit for knowledge bases and reference content.
.info details →The ending says what the site is for, registration is inexpensive and good names are still available.
.biz details →It turns the domain into a statement, short names are still widely available and it is open to anyone.
.space details →An Australian Business Number, Australian Company Number or an Australian trade mark, and the domain must match or be closely related to that name or business.
Only with an Australian registration or an Australian trade mark. We confirm eligibility before you pay.
Direct .au registration opened in 2022. Businesses that want both should register them together so the shorter name cannot be taken by someone else.
Between one and five years.