Wondering how long does it take to get an ABN? You’re not alone. Whether you’re starting a side hustle or launching a company, getting your Australian Business Number is one of the first steps, and luckily, it’s usually quick.
In most cases, you’ll see ABN application progress updates instantly, with many approved on the spot. Some may take a few days if extra checks are needed. Here’s what to expect and how to avoid delays to reap the benefits of working with ABN.
How long does it take to get an ABN in 2025?
Getting an ABN usually takes about 10 minutes online, or up to 28 days if manual verification is required. Upon successful application, your ABN will be received immediately and confirmation of the same will be sent within 14 days.
Delays in processing your ABN application can occur if there are inaccuracies or missing information. Incomplete information can lead to manual examination of the application, resulting in processing time of up to 28 business days.
Not sure where you stand? If you applied through us, we’ll track it for you and let you know what’s happening.
Pro tip: Avoid delays by making sure your name, TFN, and business details are spot on.
Why is my ABN application taking longer than expected?
Still waiting after the ABN registration application? Here’s what could be slowing things down:
- ATO is checking your details: If your name, TFN, or business info doesn’t quite line up, your application may be flagged for review.
- You’ve had an ABN before: The ATO often takes a closer look at reapplications, especially if a past ABN was cancelled.
- Your info was incomplete: Missing or vague business activity details can hold things up.
- It’s a busy time (hello, EOFY): During peak periods, ATO processing times can stretch out.
Checking ABN application progress
Checking your ABN application progress is simple with the right steps. Whether you applied through Sleek or directly with the ATO, here’s how to track it.
If you applied through Sleek
No need to chase; we’ll update you every step of the way. If there’s a delay, we’ll follow up with the ATO so you don’t have to.
If you applied directly through the ATO
You’ve got two options:
- Online: Go to the ABN Lookup site and enter your name or reference number. If your ABN’s active, it’ll show up there.
- By phone: Call the ATO on 13 28 66 and have your application reference number ready.
What to expect
Once approved, your ABN will appear on the ABN Lookup site, usually within 24 hours. If the ATO needs to manually review your application, it may take up to 28 days.
Can I use my ABN immediately after receiving it?
Yes, you can usually use your ABN as soon as you get it, provided your application was approved for an immediate start.
If your ABN is approved right away, you get your 11-digit ABN and can use it for invoicing and other business needs.
If you picked a future start date for your ABN, you must wait until that date to use it for business, even if you have the number. It won’t be active on the Australian Business Register (ABR) until then.
Your ABN should appear on the ABN Lookup website within 24 to 48 hours after it’s active. Some businesses may check this before paying you.
Always put your ABN on your invoices. If you don’t, businesses paying you might have to withhold tax.
So, if your ABN is active now, use it. If it's set for a future date, wait for that date.
What happens if my ABN application is rejected?
If your ABN application is rejected, it means the ATO couldn’t confirm you’re entitled to one, at least for now.
Here’s what that means and what you can do:
- You’ll get a notice: The ATO will send a letter or email explaining why your application was declined.
- Common reasons include:
– Incomplete or incorrect information
– Your activities don’t meet the ATO’s definition of a business
– You’ve applied as an employee or hobbyist, not a business operator - Next steps: Review the ATO’s feedback carefully. If you believe you’re eligible, you can update your details and reapply.
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How Sleek helps with ABN registration
Applying for an ABN can seem simple until you’re faced with confusing forms, unclear requirements, and long wait times if anything’s off.
Sleek takes the complexity out of the process.
We make ABN registration easy by handling it for you accurately, efficiently, and entirely online. No second-guessing, no paperwork stress.
You get:
- A correctly submitted application (no delays from missing info)
- Real-time tracking and updates
- Peace of mind that it’s done right the first time
Whether you’re freelancing or launching a new venture, Sleek helps you get started with confidence.
FAQs about how long does it take to get an ABN
You can do it yourself through the ATO, but using a service like Sleek makes the process faster and easier and ensures your application is done right the first time.
Yes, but you’ll need to issue invoices once your ABN comes through. Make sure to backdate them with your ABN once it’s active.
Costs vary by provider. At Sleek, ABN registration starts at $180/year for basic registrations like ABN, GST, PAYG, and TFN.
Yes, you can register for both in one application if you’re eligible. Sleek combines ABN and GST setup in a single process, saving time and helping you stay compliant without juggling multiple government forms.
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450,000
businesses worldwide.
from 4,100+ reviews.
satisfaction rate from
16,000 surveyed clients.
