FREE ABN Lookup

An Australian Business Number (ABN) is a unique 11-digit number that identifies a business to government, other businesses and the public.

The below ABN Lookup is free to the public via the Australian Business Register (ABR). It provides access to publicly available information supplied by businesses when they register for an Australian Business Number (ABN). Simply enter your builder's ABN or Legal Entity Name from their website , contract, quote or business card into the following federal government database.

NB: Many builders have multiple ABNs, trading names and cross-directorships - several volume builder have over a hundred ABNs. It is important that you order your Builder Background Checks Report from the business that is going to obtain your permit, provide insurance and undertake your construction. If you are uncertain of the corrent name or number Contact Us after the report has been ordered.

Notice: ABN Lookup will continue to display trading names until 31 October 2025. A further extension to transitional arrangements will see the display of trading names continue to 31 October 2025. This gives affected businesses more time to inform their customers, suppliers and other stakeholders of any changes to the name that they use to conduct their business.

ABN Search