How to Check an ABN? (Australian Business Number)

How to Check an ABN? The Australian Business Number (ABN) is a unique identifier assigned to businesses in Australia. It’s important to verify an ABN when engaging with a business to ensure its legitimacy and compliance. In this guide, we will walk you through the steps to check an ABN using the official online tool provided by the Australian Business Register (ABR). Let’s get started!

Access the Australian Business Register (ABR) website

Open your preferred web browser and visit the official ABR website. The website can be accessed at

How to Check an ABN? (Australian Business Number)

How to Check an ABN? (Australian Business Number)

Navigate to the “ABN Lookup” section

Once you’re on the ABR website, locate the “ABN Lookup” section. It is usually accessible from the main navigation menu or as a prominent feature on the homepage. Click on the “ABN Lookup” option to proceed.

Enter the ABN:

On the ABN Lookup page, you will find a search field where you can enter the ABN you want to check. Enter the ABN in the provided field without any spaces, dashes, or other special characters. Ensure the ABN is accurate to obtain the correct information.

Verify the ABN:

After entering the ABN, click on the “Search” or “Lookup” button to initiate the verification process. The system will query the database and display the results corresponding to the provided ABN.

Review the ABN details

The ABN Lookup tool will present you with the details associated with the ABN you searched for. These details may include the business name, trading name, address, registration status, and other relevant information. Take a moment to review the provided information and ensure it aligns with the business you are verifying.

How to Check an ABN? (Australian Business Number)

How to Check an ABN? (Australian Business Number)

Cross-check additional information

If needed, you can cross-check the displayed ABN details with other sources, such as official business documents, invoices, or the company’s website. This can help confirm the accuracy of the information provided by the ABN Lookup tool.

Contact the ABR for further inquiries

If you encounter any discrepancies or have additional questions regarding the ABN or the business’s registration status, you can contact the Australian Business Register directly. They can provide further assistance and clarification on ABN-related matters.

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Verifying an ABN is an essential step in ensuring the legitimacy and compliance of a business in Australia. By utilizing the ABN Lookup tool provided by the Australian Business Register, you can easily check an ABN and access relevant details associated with the business. Stay informed and make informed decisions when engaging with businesses using their ABNs!

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