Free ABN lookup: search Australian Business Numbers instantly
Search any Australian Business Number (ABN) and get instant company details including registered name, address, industry classification, and business status. Free to use, no signup required, sourced directly from official Australian business registers.
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What is this ABN lookup?
This tool searches 8.5 million Australian businesses by name or Australian Business Number and returns the registered record in seconds: legal name, trading name, address, ANZSIC industry classification, legal type, status, and where available employee counts and revenue. The records are compiled from official Australian registers and enriched with firmographics that the public ABN register itself does not carry.
That is the practical difference with searching the ABR directly: the official register confirms an ABN exists, while this lookup also tells you who is behind it, how big they are and how to place them in an industry, in one search and without an account.
Automate these lookups with our API
Send a company name or number, get the same records back as structured JSON. Classify a whole list in one run instead of searching them one by one. Every new key starts with 500 free lookups.
What is an ABN, and how is it different from an ACN?
An Australian Business Number (ABN) is the 11-digit identifier the Australian Business Register issues to every entity that carries on business in Australia: sole traders, partnerships, trusts and companies alike. It is the number you quote on invoices, use to check GST registration, and verify before paying a new supplier.
An ACN (Australian Company Number) is a different, 9-digit identifier that ASIC issues to companies only. Every company with an ACN also has an ABN (usually the ACN with two extra digits in front), but a sole trader has an ABN and no ACN. When you verify a counterparty, the ABN is the number that covers every business form.
Australian businesses by state and territory
How the businesses behind this lookup spread across Australia, straight from our live records.
Live counts from the CompanyData platform, measured October 2026 and refreshed automatically.
Largest Australian businesses on file
Sorted by revenue, straight from the same records the lookup above searches.
| Company Name | Country | City | Address 1 | Phone | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | China Development Bank | *****@***.*** | Australia | Sydney | L 49 Governor Phillip Tower 1 Farrer Pl | +** ******** | New South Wales | 2000 | N/A | 2018 | $89,748,239,328 | 25 | Foreign company | N/A | 628288308 |
| 2 | Queensland Property Investments PTY LTD | ******@****.*** | Australia | Sydney | 1 Woolworths Way | +** ********* | New South Wales | 2153 | N/A | 1929 | $67,967,421,089 | 201,413 | Corporation | 475 | 009661027 |
| 3 | Drumstar PTY LTD | *******@*****.*** | Australia | Sydney | 1 Woolworths Way | +** ******** | New South Wales | 2153 | *****.au | 1998 | $67,967,421,089 | 201,413 | Corporation | 475 | 085415032 |
| 4 | The Trustee For Experian Australia Unit Trust | ********@******.*** | Australia | Melbourne | 479 St Kilda Rd | +** ********* | Victoria | 3004 | *****.au | 2000 | $67,171,108,400 | 813 | Cooperative | N/A | 72256863039 |
| 5 | Robe River Ore Sales PTY. LTD. | *********@*******.*** | Australia | Perth | L 27 152-158 St Georges Tce | +** ******** | Western Australia | 6000 | N/A | 1991 | $63,495,000,000 | 49,345 | Corporation | N/A | 053296254 |
| 6 | Bhp Waio PTY LTD | **********@********.*** | Australia | Perth | L 37 125 St Georges Tce | +** ********* | Western Australia | 6000 | *****.com | 1977 | $53,817,000,000 | 28,926 | Corporation | 264 | 008852784 |
| 7 | Swiss Re International SE | ***********@***.*** | Australia | Sydney | L 36 Tower Two International Twrs 200 Barangaroo Ave | +** ******** | New South Wales | 2000 | *****.com | 2009 | $49,800,000,000 | 14,719 | Foreign company | N/A | 138873211 |
| 8 | Wesfarmers Insurance Investments PTY LTD | ************@****.*** | Australia | Perth | Brookfield Place L 14 123 St Georges Terrace | +** ********* | Western Australia | 6000 | *****.au | 2003 | $40,494,360,000 | 120,000 | Corporation | 1475 | 105168876 |
Showing 8 of 8,280,269 companies
Request Free SampleHow it works
Enter a company name or registration number in the search box, then run the search
Open a result to load full company details from our database (sourced from official registers where available)
Use the verified fields for due diligence, sales, or compliance. No signup required
What people use this lookup for
verify an Australian supplier or partner before signing a contract
confirm a business is legitimately registered before payment
look up company details for Australian outreach campaigns
verify business identity as part of onboarding workflows
Frequently asked questions
What is an ABN?
An Australian Business Number is an 11-digit identifier issued by the Australian Business Register to every registered business in Australia.
How do I find a company's ABN?
Enter the company name or ABN number in the search box above to get instant results.
Is ABN lookup free?
Yes, this tool is completely free with no signup required. For bulk lookups or API access, see the Company Data API.
What information does an ABN lookup return?
Company name, trading name, address, industry classification (ANZSIC), legal type, founding year, employee count, revenue, and business status.
Is ABN the same as ACN?
No. ABN is issued by the Australian Taxation Office for tax purposes. ACN (Australian Company Number) is issued by ASIC specifically for companies.
No integration, no code. The same enriched register as a ready-made Excel or CSV file: pick your SIC codes, regions and sizes, and get a free sample first.