---
id: "auacn"
kind: "datatype"
status: "stable"
is_pii: false
categories: ["companies"]
country: ["AU"]
langs: ["en"]
quality: 90
url: "http://registry.apicrafter.io/datatype/auacn"
---

# Australian Company Number (ACN) (`auacn`)

An Australian Company Number (usually shortened to ACN) is a unique identifier required by every company registered under Australia’s Corporations Act 2001 (Cth).

- Personal data (PII): no
- Categories: Companies/business/organizations (companies)
- Countries: Australia (AU)
- Languages: English (en)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^\d{3} ?\d{3} ?\d{3}$
```

## Examples

- `008984049` — Wesfarmers
- `158571852` — Australian National Line

## Mappings

- fhir: `http://hl7.org.au/id/acn`
- presidio: `AU_ACN`
- purview: `Australia company number`, `Australian Company Number`
- stdnum: `au.acn`
- wikidata: `P3549`

## Supported by tools

- `awsglue`
- `azureailanguage`
- `dataprep`
- `microsoftpurview`
- `openmetadata`
- `presidio`
- `pythonstdnum`
- `snowflake`

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/Australian_Company_Number>
- wikidata: <https://www.wikidata.org/wiki/Property:P3549>

## Quality

Score 90/100. Missing: negative example, translation.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/auacn.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/AU/companies/auacn.yaml>