Getting started
Applying, what it costs, how long it takes, the practical first steps.
Apply for an ABN Online: the 5-Minute Version
What you need, the three ways applications go wrong, and how to stay in the same-day queue.
Read the guide →How Much Does an ABN Cost? (Honest Answer: $0–$99)
The ABN itself is free, here’s exactly what agents charge for and when it’s worth it.
Read the guide →How Long Does It Take to Get an ABN?
Minutes or 28 days, what decides which queue your application lands in.
Read the guide →Thinking of Starting a Business? What to Know Before Registering an ABN
The groundwork worth doing before you register, structure, obligations, and first steps.
Read the guide →What Are the Benefits of Having an ABN?
Free to hold, never expires, and it stops 47% being withheld from your invoices.
Read the guide →What Does "Nature of Your Activity" Mean?
The field that stalls more applications than any other. Good and bad examples.
Read the guide →Do I need an ABN?
Eligibility, the 47% no-ABN withholding rule, and the situations people actually ask about.
Do I Need an ABN in Australia?
Find out if you need an ABN to operate your business or hobby in Australia.
Read the guide →Should I Get an ABN? The 2-Minute Decision Test
The quick decision test: who needs one, who doesn't, and when to get it.
Read the guide →Do I Need an ABN as a Sole Trader in Australia?
If you're a sole trader, find out if you need an ABN.
Read the guide →Do I need an ABN to open a business bank account?
What banks usually ask for, and how to get your ABN registered online.
Read the guide →Can I Invoice Without an ABN? The 47% Rule
No-ABN withholding explained: the genuine exceptions, and how to fix it fast.
Read the guide →Hobby or Business? When Your Side Hustle Needs an ABN
There's no income limit that decides it, what the ATO actually looks at, and the 47% trap.
Read the guide →Statement by a Supplier: Invoicing Without an ABN
The form that stops the 47% withholding, and the narrow cases it covers.
Read the guide →Do I Need an ABN for Freelance Work?
Yes, from the first client. Plus the one exception that catches people out.
Read the guide →Do You Need an ABN to Sell at Markets?
One stall is not the same as a stall every weekend. Where the line sits.
Read the guide →Do I Need an ABN for Dropshipping?
Yes, from day one. There is no hobby stage for a dropshipping store.
Read the guide →Do I Need an ABN for a Rental Property?
Usually not, and the ABR says so. Commercial property is the other way round.
Read the guide →Ride share & gig work
Uber, DiDi, Uber Eats, the ABN and GST rules for platform work.
Do I need an ABN as an Uber driver?
Is having an ABN a must for an Uber driver? What's required and how to apply for an ABN for Uber.
Read the guide →Do I Need an ABN for Uber Eats in Australia?
Find out if you need an ABN to do Uber Eats.
Read the guide →Do I Need an ABN as a DiDi Driver in Australia?
Driving for DiDi? Here's what the ATO expects, and how to get set up properly.
Read the guide →Do I Need an ABN for DoorDash?
Dashers are contractors, so yes. But the GST rule is not the rideshare one.
Read the guide →GST, tax & registrations
The registrations around the ABN, thresholds, credits and which numbers you actually need.
Do I Need to Register for GST? The $75,000 Rule
The threshold, the rideshare exception, and whether registering early is smart.
Read the guide →ABN vs ACN: Which One Do You Need?
Two numbers, endlessly confused. Sole traders need one; companies need both.
Read the guide →Fuel Tax Credits for Farmers
Learn more about fuel tax credits if you are a farmer.
Read the guide →ABN vs TFN: What's the Difference?
A TFN identifies you as a taxpayer, an ABN identifies your business. Most people end up needing both.
Read the guide →Can You Register for an ABN and GST Together?
Yes, one application. Whether you should is the more useful question.
Read the guide →How Much Tax Do You Pay on an ABN?
There is no ABN tax rate. What actually changes when you go out on your own.
Read the guide →What If a Contractor's ABN Is Cancelled?
What you must withhold, and when checking ABN Lookup is and is not your job.
Read the guide →Managing your ABN
Keeping the number healthy, reactivating, updating and cancelling properly.
How to Reactivate a Cancelled ABN (Same Number, Same Day)
Why ABNs get cancelled, how to get yours back, and the GST trap to avoid.
Read the guide →How to Cancel an ABN (and What to Do First)
Free at the ABR and immediate — but every lodgement has to be clear first. The order of operations.
Read the guide →Find My ABN — Three Free Ways to Look It Up
Forgotten it, or not sure it is still active? Where to look, plus a free status checker.
Use the checker →Can You Have More Than One ABN?
One entity, one number. What to do when you want two, and when you already have two.
Read the guide →How to Get Proof You've Closed Your Business
What Centrelink, banks and buyers actually accept, and how to get it in minutes.
Read the guide →Do I Need to Renew My ABN?
No, and any invoice telling you otherwise is not from the government.
Read the guide →The answer was probably yes. Five minutes, $99.
Reviewed by registered tax agents, lodged direct to the ABR, tax deductible. Free help on 1800 546 526.