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Bulk ABN lookup

Look up many ABNs at once.

Updated 2026-06-30 · Official source: abr.business.gov.au · Live data from the Australian Business Register

Paste up to 100 ABNs, one per line.

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Validate ABN & decoder

Check the ABN modulus-89 checksum and see how the ACN sits inside the ABN.

ABN lookup by company name

Search the Australian Business Register by business or entity name.

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