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

The ABN Lookup tools may assist with multiple searches.

Trading names to continue to be displayed for a further five years

ABN Lookup will continue to display trading names for a further five years until 31 October 2023.

Trading names were to be retired from 1 November 2018, but transitional arrangements have now been extended for a further five years to 31 October 2023. 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.

This extended transitional period will also provide additional time for businesses to take steps to register your business name External site with the Australian Securities and Investments Commission.

For more information see our help section.

Update your ABN details

It is essential your ABN details are kept up-to-date. Many agencies across all levels of government rely on ABN information to target and provide important community services.

Tell us within 28 days if your business operation ceases or if your details change. Your ABN may be cancelled if information shows you are no longer carrying on a business.

To update your ABN details go to abr.gov.au External site.

Did you know?

ABN Lookup served more than 1 Billion searches in the last financial year and 85% of those searches used the ABN Lookup web services.

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