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Australian Business Register

Tax professionals can access client's Australian business number details online using the Australian Business Register.

Last updated 15 September 2024

Info Alert
The myGovID app is changing its name to myID
Soon myGovID will have a new name and look – but you'll use it the same way. Find out more at www.myGovID.gov.au/DiscovermyIDExternal Link.

You can access your clients' Australian business number (ABN) details online using the Australian Business Register (ABR).

You can use your myGovID to log in to the Tax professional servicesExternal Link section on the ABR websiteExternal Link to:

  • change secure ABN information (for example, postal address and public officer) and receive confirmation of the change in the same internet session
  • apply for a tax file number (TFN)
  • register for pay as you go (PAYG) or goods and services tax (GST)
  • cancel an ABN.

If your ABN changes

Changes to your tax or BAS agent registration can lead to a change in your ABN.

If this happens, you'll need to make sure:

  • your ABN details are updated in the ABR
  • the correct ABN is linked to your myGovID in RAM.

See also:

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QC63469