Public tool
ABN Lookup
Check whether a published ABN has a valid structure and can be compared against public register details.
What this checks
Proof for the things that can cost work.
- ABN checksum
- ABR register lookup
- Entity details
- GST registration signals
Business reason
Checking the public business identifier that customers, suppliers and government forms may rely on.
Longer checks run as stored jobs and open a result page you can return to.
Need the whole picture?
This single check is only one slice.
The full audit combines the checks that affect calls, enquiries, wasted traffic, trust and avoidable cleanup cost.