The ABN Lookup portal is an official online service provided by the Australian Business Register (ABR), allowing anyone to search and verify Australian Business Numbers (ABNs). It’s a free tool designed for business verification, helping users confirm that a business is registered and identifying various details about it.
ABN Lookup portal is user-friendly and available in different Languages, ensuring that all citizens of Australia can access business verification information, regardless of their language preference.
ABN Lookup – How to
Apply for an ABN
Follow these simple steps to apply for an ABN:
- Step 1: Visit the Official ABN Registration Portal.
- Step 2: On the homepage, click on "Apply for an ABN". You will be redirected to a secure online application form.

- Step 3: The online form will ask for basic details about you and your business, including:
-
Your personal details (if
you’re a sole trader).
-
Your business name (if applicable).
- The business address and contact details.
- Your ABN lookup details (such as your tax file number, if relevant).
-
The industry classification code (ANZSIC code) for your
business activities.
- Step 4:
After entering all the required information, submit your
application online.
- Step 6: In most
cases, if everything is in order, you will receive your ABN
immediately after submitting your application.

ABN Tools – How to
Check an ABN (Australian Business Number)
To check an ABN, follow these simple steps:
- Step 1:
Visit the official ABN
Lookup website.
- Step 2: Search by ABN or Business Name.
- Step 3: Once
you hit Search, you’ll see a page displaying the business’s
details, including:
-
ABN Number
- Business Name
- Entity Type (e.g., sole trader, company, partnership)
- GST Registration Status (whether the business is registered for GST)
- Business Status (active or inactive)
-
Other Legal Details (e.g., registered with ASIC for
companies)

- Step 4: Verify the
Business Information.
- This helps ensure you’re dealing
with a legitimate, registered business.
ABR Lookup – How to
Update an ABN (Australian Business Number)
To update an ABN, follow these simple steps:
- Step 1:
Visit the official ABR website.
- Step 2: Click on Update ABN Details.

- Step 3: Log
In and Update Your Information.
- Step 4: After submitting your updated details, you’ll typically receive a confirmation email or notification from the Australian Business Register (ABR).

- Step 5: Once your update
has been processed.
- Step 6: Verify through ABN Lookup: Go to ABN Lookup to confirm that your details have been updated correctly.
ABR Tools - How to Cancel an ABN
(Australian Business Number)
- Visit
the official ABR Cancellation Portal.
- On the homepage, locate and click on the 'Cancel your ABN'.
- Log in using your myGovID or ABN login credentials.
- Select
"Cancel ABN": Find the option to cancel your ABN
in the portal.
- You will be asked to confirm that your business has ceased operations.
- Once you've filled out the necessary information, submit your request to cancel your ABN.

How to Access Quick
Links on the ABN Lookup Portal ?
- Visit the official ABN Lookup website.
- On the homepage of the ABN Lookup Portal, you will typically see a section or sidebar labeled "Quick Links".
- Here are
some of the most common Quick Links you’ll find on
the ABN Lookup portal:
- ABN Lookup: Direct link to search for any ABN or Business Name.
- Apply for an ABN: Quick access to the application page to register for a new ABN.
- Update
Your ABN Details: Link to update your business’s
ABN information, such as address or structure.
- GST
Registration: Link to register for GST if your
business meets the criteria.
- Contact the ATO: A link to the Australian Taxation Office’s contact page for further inquiries.
- Click on the relevant link
to be directed to the corresponding page.

- In addition to Quick Links, you may also find other tools and resources in the ABN Lookup portal. These might include links to:
- Find an ABN by name or number.
- View Business Details.
- Download ABN Reports or summaries for your records.
How to Use ABN Lookup for Tax Professionals
?
- Visit the official ABN Lookup portal.
- As a tax professional, you can use ABN Lookup to verify the details of your client's business or any business you are working with.
- This will bring up
the ABN and other business details. Such as:
- Business Name
- ABN Number
- GST
Registration Status
- Entity’s Industry Classification Code (ANZSIC)

- As
a tax professional, it’s important to check whether a
business is registered for GST. Here’s how you can use ABN
Lookup for this:
- GST Registration
Status: In the ABN Lookup result, you will see whether the
business is registered for GST (Goods and Services Tax). If
the business's turnover exceeds $75,000, they should be
registered for GST. This is essential for accurate tax
filings.

- ABN Lookup helps tax professionals ensure their clients are compliant with Australian business laws.
- ABN
Lookup is crucial for tax preparation tasks, updating or
correcting their ABN details and Tax professionals should
keep an eye on any updates or notifications from the ABR
(Australian Business Register).

ABR Lookup - Services offered by the Portal
The ABN Lookup tool is part of the
Australian Business Register (ABR), providing essential
services for businesses, tax professionals, and individuals
looking to access accurate, up-to-date business information in
Australia. Services offered by official portal:
- ABN Search
- Business Information Retrieval
- GST Status Check
- Check Business Entity’s Status
- Confirm Legal and Tax Details
- Update and Manage ABN Information
- Business Name
Search
- Access Historical Data


ABN Lookup Tool -
HelpLine