About this Generator
This tool generates valid Australian Business Numbers (ABN) that comply with the official format requirements set by the ABR.
The generator creates ABNs following the official 11-digit structure and includes valid checksum digits calculated using the ATO algorithm.
Generated ABNs are for testing purposes only. While they follow the correct format and pass validation checks, they are not officially registered numbers.
About Australian ABN Generator
ABNs can be issued to: • Individuals • Body corporates • Partnerships • Trusts • Superannuation funds • Other unincorporated associations
ABN Structure: • 11 digits in total • First 2 digits are checksums • For companies, based on ACN • Publicly verifiable through ABN Lookup
To verify an existing ABN number, you can use our Australian ABN Verifier