How to Check ABN Numbers: A step-by-step guide

Do you need to check the ABN number of a business or your employer? Don’t worry, you don’t have to ask them directly – there is an easier way! In this Business Kitz blog post, we will walk you through the process of checking businesses’ ABN number and verifying your own ABN number to ensure it is accurate and up to date.

What is an ABN number?

The Australian Business Number (ABN) is a unique 11-digit identifier that every business in Australia should have. It is crucial for tax and business purposes, and knowing how to check ABN numbers is essential to ensure your business’s compliance.

Why should I verify my ABN number?

An ABN is your business’ identity, and it plays a significant role in various financial and regulatory processes. Accurate ABN information is crucial for:

  1. Taxation Purposes: Your ABN is used for Goods and Services Tax (GST) reporting, business income tax, and other financial obligations.
  2. Eligibility for Business Transactions: Many suppliers, customers, and government agencies require your ABN to conduct transactions. An accurate ABN ensures smooth business operations.
  3. Legal Compliance: Maintaining an accurate ABN is a legal requirement for all businesses operating in Australia.
  4. Access to Business Benefits: Some benefits and concessions are available only to businesses with a valid ABN.

How can I check an ABN number?

Now, let us dive into the steps to check ABN numbers:

Step 1: Visit the Australian Business Register (ABR) Website

The ABR is the official government website for all things related to ABNs. To check your ABN, start by visiting their website at This website provides access to the ABN Lookup tool, which allows you to verify ABNs.

Step 2: Access the ABN Lookup Tool

Once you’re on the ABR website, navigate to the “ABN Lookup” section. This tool is accessible directly from the home page. Click on it to proceed.

Step 3: Enter Your ABN

In the ABN Lookup tool, you will find a search bar. Enter your 11-digit ABN number into this search bar. Make sure you enter it accurately to avoid any errors in the verification process.

Step 4: Click on the Search Button

After entering your ABN, click on the “Search” button. The ABN Lookup tool will then process your request and provide you with the results.

Step 5: Review the ABN Details

The tool will display the details associated with the ABN you entered. This includes the business name, status, and registration date. Review this information carefully to ensure it matches your business’s details.

Step 6: Check the ABN Number Status

Check the “Status” of your ABN. There are several possibilities:

  • Active: This means your ABN is currently registered and valid.
  • Cancelled: Your ABN is no longer active and might need to be re-registered if you wish to continue your business operations.
  • Suspended: If your ABN is suspended, you should contact the Australian Taxation Office (ATO) for clarification and resolution.

Step 7: Verify the Business Name

Make sure the business name displayed matches your current business name. If there are discrepancies, it might be necessary to update your ABN information through the ABR website.

Step 8: Keep a Record

Once you have confirmed that your ABN details are accurate and up to date, make sure to keep a record of this verification. This can be useful for any future business transactions or government audits.

What is the importance of checking my ABN number?

Verifying your ABN number is a crucial task for any business owner in Australia. It ensures that your business’s information is accurate and up to date, helping you comply with legal requirements and facilitate smooth financial transactions.

Failing to regularly check your ABN (Australian Business Number) can lead to several potential consequences. If your ABN information becomes outdated or incorrect, you may face difficulties in tax reporting, government compliance, and business transactions. Suppliers and customers may refuse to engage in transactions with your business, as they often require a valid ABN for verification. Additionally, non-compliance with ABN requirements can result in financial penalties, business disruptions, and legal consequences.

By following the simple steps outlined in this guide, you can quickly and easily check ABN numbers and maintain your business’s integrity in the eyes of the law. Remember to regularly verify your ABN to avoid any unexpected issues in the future.

Legal Advice

Managing a business can be tricky, but we are here to make it easier. Check out our Business Kitz Subscription Service today to access our full range of legal, commercial and employment documents to begin your business with a solid foundation that ensures compliance. If you are unsure about how to best protect yourself and your future business, our sister company, Legal Kitz can assist you. Additionally, you can request a FREE consultation with one of their highly experienced team members here today, or contact them at or 1300 988 954.

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