--- title: What is an Australian Business Number? description: If you're looking to start a business within Australia, you will quickly come across the concept of an ABN or Australian Business Number. Learn more... image: https://businessaustralianews.com.au/hubfs/Imported_Blog_Media/shutterstock_1657131862-1.jpg --- [ASIC Business Registration ![Namecorp Logo](https://businessaustralianews.com.au/hubfs/Namecorp%20Logo.png)](https://namecorp.com.au?utm_source=ban&utm_medium=topbar&utm_campaign=registration) [![Business Australia News Logo](https://businessaustralianews.com.au/hubfs/logo/BAN-Logo-Black-Cropped.svg)](https://businessaustralianews.com.au/) - [Home](https://businessaustralianews.com.au) - [Start-Ups](https://businessaustralianews.com.au/blog/tag/start-ups) - [Technology](https://businessaustralianews.com.au/blog/tag/technology) - [Marketing](https://businessaustralianews.com.au/blog/tag/marketing) - [Our Community](https://businessaustralianews.com.au/blog/tag/our-community) - [Finance](https://businessaustralianews.com.au/blog/tag/finance) - [Legal](https://businessaustralianews.com.au/blog/tag/legal) - [Culture](https://businessaustralianews.com.au/blog/tag/culture) - [WIWO](https://businessaustralianews.com.au/blog/tag/wiwo) - [Trending](https://businessaustralianews.com.au/blog/tag/trending) - [Quick Links](https://businessaustralianews.com.au/blog/what-is-an-australian-business-number#depth-dropdown-mobile-1-1) - [Home](https://www.businessaustralianews.com.au) - [Start-Ups](https://businessaustralianews.com.au/blog/tag/start-ups) - [Technology](https://businessaustralianews.com.au/blog/tag/technology) - [Marketing](https://businessaustralianews.com.au/blog/tag/marketing) - [Our Community](https://businessaustralianews.com.au/blog/tag/our-community) - [Finance](https://businessaustralianews.com.au/blog/tag/finance) - [Legal](https://businessaustralianews.com.au/blog/tag/legal) - [Culture](https://businessaustralianews.com.au/blog/tag/culture) - [WIWO](https://businessaustralianews.com.au/blog/tag/wiwo) - [Trending](https://businessaustralianews.com.au/blog/tag/trending) - [Help and Support](https://businessaustralianews.com.au/blog/what-is-an-australian-business-number#depth-dropdown-mobile-1-2) - [Advertise With Us](https://businessaustralianews.com.au/advertise-with-us) - [Free Sign Up](https://businessaustralianews.com.au/subscribe) - [Contact Us](https://businessaustralianews.com.au/contact-us) - [About Us](https://businessaustralianews.com.au/blog/what-is-an-australian-business-number#depth-dropdown-mobile-1-3) - [Privacy Policy](https://businessaustralianews.com.au/privacy-policy) - [Terms of Use](https://businessaustralianews.com.au/terms-of-use) [ASIC Business Registration ![Namecorp Logo](https://businessaustralianews.com.au/hubfs/Namecorp%20Logo.png)](https://namecorp.com.au?utm_source=ban&utm_medium=topbar&utm_campaign=registration) [Home](https://businessaustralianews.com.au) [Start-Ups](https://businessaustralianews.com.au/blog/tag/start-ups) What is an Australian Business Number? # What is an Australian Business Number? #### BusinessCorp Published: February 04, 2022 Embarking on a business venture in Australia brings you face-to-face with the term ABN, or Australian Business Number. This unique identifier is a crucial aspect of setting up and operating a business in Australia. ## **What is an ABN?** An ABN is a unique 11-digit number that serves as a public identifier for your business. It's used by businesses to interact with various Australian government agencies and departments. The ABN is essential for accessing government services and support. One ABN can cover multiple businesses, provided they all operate under the same business structure. If you establish a business under a different structure, you will need a separate ABN. Details of your ABN registration are part of the Australian Business Register (ABR), maintained by the Australian Taxation Office (ATO) on behalf of the Commonwealth. This register is publicly accessible via the ABN Lookup website.   ## **The Purpose of an ABN** An ABN is publicly available and is different from your confidential Tax File Number (TFN). It's intended for use in situations where a TFN is not suitable or secure. You will typically need your ABN for: - Invoices and quotes - Renewal notices - Order forms and receipts - Lease documents and contracts ## **Do You Need an ABN?** In most cases, obtaining an ABN is necessary. However, businesses with a GST turnover of less than $75,000 are generally exempt. Despite this, not having an ABN can lead to complications such as an inability to claim GST credits and potential tax withholdings by other businesses during transactions. Furthermore, to register a business name in Australia, an ABN is required. Without an ABN, you risk losing the right to your business name if another entity registers it. In summary, an ABN is not just a formality but a fundamental component of legally and effectively running a business in Australia. It streamlines your interactions with government agencies and ensures your rights as a business owner are protected. ### Related articles [![blog image](https://businessaustralianews.com.au/hubfs/AI-Generated%20Media/Images/ASIC%20Business%20Names%20Register.jpeg)](https://businessaustralianews.com.au/blog/navigating-the-asic-business-names-register) #### [Navigating the ASIC Business Names Register](https://businessaustralianews.com.au/blog/navigating-the-asic-business-names-register) The Australian Securities & Investments Commission (ASIC) is key in regulating ... 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