How To Apply For An ABN The Right Way In Australia

To apply for an ABN, head to abr.gov.au, confirm your eligibility, fill in your business details, and submit all in one sitting.

Generally, an Australian Business Number is an 11-digit identifier that the ATO issues to every registered operation. You need it to send tax invoices, interact with government agencies, and run your operation legally. And the good news? It costs nothing to get, but you still need to provide the right details and follow the correct registration process.

Here at abmag.com.au, we’ve put together this step-by-step guide to walk you through exactly what you need to know. By the end, you’ll understand:

Who qualifies
What to prepare
How the whole process works

Let’s get into it.

Table of Contents

Who Can Apply for an ABN? Eligibility Requirements Explained

You can apply for an ABN when you’re carrying on or starting an enterprise in Australia. The Australian Taxation Office (ATO) issues every ABN, and it expects you to be genuinely running a business rather than just thinking about it.

Not everyone gets one automatically, though (hobbies don’t count, even if you’re making money from them). For example, if you occasionally sell handmade candles on weekends, the ATO won’t consider that a registered company. You need to show you’re operating with the intention to make a profit.

From what we’ve seen, the ATO looks closely at signs that show you are genuinely running a business rather than simply testing the waters. And you generally qualify after meeting one of the following criteria:

You’re a sole trader, company, partnership, or trust operating in Australia
You’re an Australian resident starting a proposed business
You’re part of a joint venture or enterprise with clear commercial activity
You need an ABN for tax registrations or to deal with government agencies

Most businesses need one to issue tax invoices and interact with other companies legally. If you’re still not sure, a registered tax agent can point you in the right direction.

What to Prepare Before Your Online Application

Before you start, you’ll need your tax file number (TFN), business structure, and key business details (e.g., your activity and trading name). We understand it sounds like a lot, but most people have everything they need sitting in their inbox or on their myGov account already.

Specifically, the following things need your attention when you start your ABN application on the ABR website.

Your Business Structure and Business Details

Your company structure determines which identity documents you’ll need, how your tax obligations work, and what name you apply under.

In practice, a sole trader applies under their own name, while a company needs its Australian company number (ACN) issued by ASIC. So you must ensure which structure fits your operation.

From there, you’ll fill in your firm details: your legal name, main business activity, and contact information (your TFN is non-negotiable here). The Australian Business Register (ABR) uses these details to verify your identity and confirm you’re running a legitimate enterprise.

You’ll also need to set up Pay As You Go (PAYG) withholding if you’re planning to take on employees. This lets you deduct tax directly from their wages and send it to the ATO, which allows no surprise bills at the end of the financial year.

Your Business Name: What to Sort Out Before You Apply

Your business name is what customers see, so you must sort it out first.

If you’re trading under a name different from your own, you’ll need to register it separately through the Australian Securities and Investments Commission (ASIC). You should also check proposed business names against existing trade marks first to avoid issues down the track.

Beyond your trading name, confirm whether your organisation structure requires an Australian company number. Sometimes, a company needs its ACN in place before the ABR can process anything. And preparing that early keeps your application moving without any hold-ups.

Once you complete these, the actual online application is pretty painless.

How to Apply for an ABN Online: Step by Step

You apply for an ABN through the Australian Business Register at abr.gov.au. The ABR website also provides the Business Registration Service, so you can handle multiple registrations in one go. And yes, it’s completely free.

Here’s exactly what the online application looks like:

Step 1 – Confirm Your Eligibility: Head to the ABR website and answer a few questions about your enterprise and business identity. This tells the register whether you qualify before you fill in a single detail.
Step 2 – Enter Your Business Details: Add your legal name, business structure, and a clear description of your main office activity. The ABR uses these to verify your identity and process your ABN application.
Step 3 – Provide Your TFN: The Australian Business Register (ABR) needs your tax file number to confirm your identity. Without it, your application won’t go through.
Step 4 – Add Extra Registrations: You can register for GST at the same time if your turnover is heading towards $75,000. Once the ATO approves your GST registration, you can claim GST credits and issue proper tax invoices straight away.
Step 5 – Review and Submit: Double-check your ABN details and hit submit. The whole process costs nothing and takes around 15 minutes for most people.

After you submit, the ABR takes it from there. So keep an eye on your email for a confirmation, and check the next section to see what to expect once your application lands.

What Happens After You Apply for an ABN?

Most ABN applications are approved instantly, though some take up to 28 days if the Australian Business Register needs to review your information further. Either way, you’ll get a reference number after submission to track the status.

The following things you can do depending on how your application lands.

If You Have an Old ABN or Need to Cancel Your ABN

If you’ve registered a company before, check the ABN lookup tool on the ABR website first. Your old ABN might still be active. In that case, you won’t need a new ABN. Just update your ABN details through the register instead.

But if your business is no longer operating, cancel your ABN through the ABR website straight away. That’s because holding onto an ABN you’re no longer using can cause issues with the ATO down the track.

If you do need to apply for a new ABN, but your application is unsuccessful, you’ll receive a refusal number explaining why.

Additional Registrations to Consider After Your ABN

Your ABN opens the door to other business registrations like GST, PAYG withholding, or a registered business name. You can handle all of these together through the one application.

Once your details are set up, keep your ABN information accurate for ongoing operations. In several cases, other businesses and government agencies use your ABN to verify your details.

Ready to Register? Here’s Your Next Step

Getting your ABN is the first step you should take as a business owner in Australia. It’s free, and once you have it, you can register for GST, issue tax invoices, and deal with government agencies without any hold-ups.

Here’s the whole process in a nutshell:

Check your eligibility on the ABR website
Gather your TFN, business structure, and activity description
Submit your online application at abr.gov.au
Add any extra registrations you need straight away

If you found this guide helpful, there’s plenty more at the Australian Business Magazine website. We provide practical advice on business registrations, tax basics, and other topics for new Australian company owners.

Head over and keep the momentum going.