🔍 Verifier Tool

Free ABN Lookup — Verify ABN & Check GST Registration

Instantly verify any Australian Business Number. Check entity name, GST registration status, entity type and active/cancelled status — live data direct from the Australian Business Register. Free, no login required.

Free — no login required Live ABR data GST status included Instant results
Enter an 11-digit ABN to verify
Try: 51 824 753 556 83 914 571 673 99 124 334 780 28 010 656 052
🔍 Searching by business name? Search by name on ABR.gov.au →
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Enter an ABN above to verify

Paste or type any 11-digit Australian Business Number to check its entity details, GST registration and active status.

Querying the Australian Business Register…

ABN 
Source: Australian Business Register · Live data View on ABR.gov.au →

About This Tool

Why Verify ABNs Before You Pay?

If a supplier's ABN is cancelled or inactive, you may need to withhold 47% of the payment under the ATO's no-ABN withholding rules. This tool queries the Australian Business Register server-side, returning live entity status, GST registration, entity type and location.

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Supplier Onboarding

Verify every new supplier's ABN before adding them to accounts payable.

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Invoice Processing

Cross-check ABNs on incoming invoices to ensure ITC claims are valid.

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Due Diligence

Confirm contractor ABN, GST status and entity type before engagement.

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BAS Preparation

Validate supplier ABNs during BAS prep to legitimise ITC claims.

Frequently Asked Questions — ABN Lookup & Verification

How do I verify an ABN in Australia for free?

Enter the 11-digit ABN into this free ABN lookup tool. It queries the Australian Business Register (ABR) in real time and returns the entity name, entity type, GST registration status, active or cancelled status, and registered state. No login, registration, or payment is required.

Why should I verify a supplier's ABN before paying an invoice?

If a supplier provides an invalid or cancelled ABN, you are legally required to withhold 47% of the payment under the ATO's no-ABN withholding rules. Verifying ABNs before payment protects you from this obligation and ensures your GST input tax credit (ITC) claims are valid. A cancelled ABN means no GST is being charged legitimately, so any GST claimed as an ITC may be disallowed by the ATO.

How do I check if a business is registered for GST in Australia?

Enter the supplier's ABN into this free tool. The result shows the GST registration status and the date the entity registered for GST. You should only claim GST input tax credits on purchases from GST-registered suppliers. Businesses must register for GST once their annual turnover reaches $75,000 ($150,000 for not-for-profits).

What information does an ABN verification return?

This ABN lookup returns: entity legal name, entity type (Australian Private Company, Sole Trader, Trust, Partnership, etc.), ABN active or cancelled status with effective date, GST registration status and registration date, registered state and postcode, and any registered business/trading names. All data comes directly from the Australian Business Register.

🔗 Related free tools:  GST Classifier  ·  BAS Preparation Checklist  ·  Journal Entry AI Assistant  ·  All Free Tools

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