How to update your Australian business number (ABN) details. You must update information within 28 days of becoming aware of any changes to your ABN details.

There may be times that ABR services are impacted due to scheduled site maintenance.

This file shows the registration date and status of a Charity.

When you deal with the ABR, you may be asked for information to prove your identity.

This is the data file for agency details.

It’s your client’s responsibility to maintain their Australian business number (ABN) details. Details must be updated within 28 days of becoming aware of any changes.

The ABR website and the ABR transaction sites are presented for the purpose of sharing information and services free of charge for the benefit of the public.

You can request Australian business number (ABN) details in writing.

This is the data file for replaced ABN details.

Selling your business or closing it down can be a busy and emotional time – and cancelling your Australian business number (ABN) might be the last thing on your mind.

Update your agency’s Australian business number (ABN) details within 28 days of becoming aware of any changes.

This is the data file for other trading names' details.

To maintain the integrity and accuracy of ABR data, we may contact you from time to time by letter, email, SMS or phone.

Only eligible government agencies that have applied and have a current Australian Business Register (ABR) Partnership Agreement in place can access non-public ABR data.

© Australian Business Register for the Commonwealth of Australia

Can we find your business in an emergency? To receive help, we need you to check we have the street address of your business or organisation.

Information about the Australian Business Register (ABR) and the Registrar's 2024 vision.

This is the data file for funds' details.

Key highlights from past meetings of the Business Registry Strategic Advisory Council.

This is the data file for associates' details.