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ABN (Australian Business Number)

ABN Lookup for an Australian business number

ABN Lookup is the public view of the Australian Business Register (ABR). It provides access to the publicly available information supplied by businesses when they register for an Australian business number (ABN).

Department of Industry

Apply for an Australian business number

An ABN is a unique 11 digit identifying number that businesses use when dealing with other businesses.  You can apply for an ABN or access and update your ABN details online.

Australian Taxation Office

Australian Business Register (ABR)

The ABR stores details about businesses and organisations when they register for an Australian business number (ABN).  You can use the Register to identify and verify business information.  Incudes information about AUSkey, a secure login that identifies you when you access participating government online services for business.

Australian Taxation Office

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