Free ABN Lookup Tool
Instantly verify and look up any Australian Business Number (ABN). Check business name, GST registration status, and more.
ABN Lookup
Enter an Australian Business Number to look up business details
What is an ABN?
ABN (Australian Business Number) is a unique 11-digit identifier issued to businesses operating in Australia.
Key Features of ABN:
- Consists of 11 digits
- Issued when registering a business in Australia
- Managed by the ABR (Australian Business Register)
- Shows GST registration status
- Standard format: XX XXX XXX XXX (e.g. 51 824 753 556)
Information Available from ABN Lookup:
- Entity Name: Registered business name
- ABN Status: Active or Cancelled
- Entity Type: Sole trader, company, partnership, etc.
- GST Registration: Registration status and date
- Location: State and postcode
💡 Good to Know
ABNs are validated using the Modulus 89 algorithm. This helps quickly detect incorrectly entered ABNs to prevent errors.
Need ABN Validation in Your Invoices?
BillMate has built-in ABN lookup and validation, automatically verifying ABNs and fetching business names when you enter customer information.
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