As a tax professional, you can apply online for an Australian business number (ABN) for your client using Tax Professional’s services with a Digital ID, such as myID.

You can apply for a tax file number on behalf of a company, trust, partnership or other organisation via Tax professionals services.

Companies, trusts, partnerships and many other organisations can apply for a tax file number (TFN) using the online application below.

If you change your business structure, you may need to cancel your Australian business number (ABN) and apply for a new one.

Your application for an ABN starts here. Before applying, ensure you're entitled to an ABN. Not everyone is entitled to an ABN.

As part of the Australian business number (ABN) application you can apply for other business registrations on behalf of your client.

Government agencies can only apply for an ABN using a paper form.

As part of the Australian business number (ABN) application, you can apply for other business registrations.

Government agencies can apply for an ABN. Once an agency has an ABN it is important the details are kept up-to-date.

Providing accurate details in your ABN application will help to avoid delays.

Non-residents may be entitled to an Australian business number (ABN) if carrying on an enterprise in Australia, or making supplies connected with Australia's indirect tax zone.

You can apply for your client’s tax file number (TFN) when applying for their Australian business number (ABN).

You can apply for other registrations like PAYG, GST and a business name when you apply for your client's ABN. You can apply for a TFN for most businesses or organisations at the same time.

You can request that your ABN details not be disclosed publicly.

To be entitled to an ABN, you must be carrying on or starting an enterprise in Australia or making supplies connected with the indirect tax zone or be a Corporations Act company.

Save time by registering for PAYG, GST and a business name when you complete your ABN application. Most businesses or organisations can also apply for a TFN.

Selling your business or closing it down can be a busy and emotional time – and cancelling your Australian business number (ABN) might be the last thing on your mind.

There are certain requirements for providing evidence of identity for ABN registrations for non-residents.

We regularly check if businesses are entitled to their Australian business number (ABN) and review inactive ABNs for cancellation.

Update your agency’s Australian business number (ABN) details within 28 days of becoming aware of any changes.