• Contact us if you are a government agency

    Contact us if you are a government agency that has an Australian Business Register (ABR) data-related query including:

    • access and use of ABR Explorer as a reporting tool for ABR information
    • access and use of non-public data
    • to advise us of a breach in use of data
    • ABR Explorer login error messages.

    Email us at abrenquiries@ato.gov.au or phone us on 1300 139 025.

    If you are enquiring about applying for, updating or cancelling your agency's Australian business number (ABN), use our general contact details.

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    • Last modified: 08 Aug 2018QC 453