ABN Finder Tool

Have you lost or forgotten your ABN?

Instantly find your ABN at no cost by using the form below.

Online single form

Simply use the registration form to provide the necessary information for locating your ABN. The whole process will only take about a minute.

Automatic Review & Proceed

Once we receive the details, our team of experienced experts will promptly review your application.

ABN Delivered by email

You will see the ABN and its status displayed on the screen, and we will also send it to you via email, typically within 5 minutes.

The TFN itself has 9 digits, with a check digit. Individuals received a 9-digit TFN. Your Tax File Number (TFN) can be found on any official TAX Office documents. We may contact you to provide your TFN if the ATO cannot verify your information with the details you have provided, as a TFN number is required for an ABN number to be issued.

Can't find your TFN?

> Look at your income tax notice of assessment.

> Look at a payment summary (provided by your employer) or your super statement.

> If you have a myGov account linked to the ATO, you can access your TFN online.

What’s next?

We strive to make the process seamless and efficient for you. Should you have any further questions or require assistance, our dedicated support team is here to help.

ABN Display:
The assigned Australian Business Number (ABN) will be immediately displayed on your screen, confirming its status.
Email Confirmation:
A copy of your ABN will also be promptly sent to the email address you provided during the registration process.
Inactive or Cancelled ABN:
In the event that your ABN is found to be inactive or cancelled, we will provide clear instructions on how you can proceed with the registration process to reactivate or obtain a new ABN.
Terms & Conditions of Service

I authorise an Accredited Tax Agent, under licence number: 24666831, to add me (if required) to their tax agent portal in order to proceed with this request *