How to add or update your ABN online

How to guides for Sole Traders

In the Westpac App

1. Tap Profile > Settings > Contact Details
2. Scroll down to Australian Business Number (ABN)
3. Tap Add ABN, type your ABN
4. Tap Search then Confirm

Classic Westpac App

1. In the menu bar, tap Services & Security
2. Under Profile Settings, select Update contact details
3. Scroll down to Australian Business Number (ABN)
4. Type your ABN and tap Search
5. Tap Confirm

In Online Banking

1. Go to Service and select Preferences
2. Select Personal details, then in the Australian Business Number (ABN) section, select Add or Edit
3. Enter your ABN and select Search
4. Select Confirm

How to guides for Business Networks

In Online Banking

You need to be an Administrator to update your company’s ABN
 

1. Sign in to Online Banking from a desktop
2. Go to Administration and select Business settings 
3. In the Registered business details section, select Edit/Add in the ABN line 
4. Check your company’s ABN
5. Select Confirm.
    

We reference ASIC data to find your ABN. Your ABN needs to be updated with ASIC before you can add or edit your ABN in Online Banking.

What other details can I update online?

If you’re an Administrator, you can: 

• Update your business address 
• Update your business email address
• Update your phone number

Find out how to change update your business details

What if you have more than one Approver for administration tasks?

If your business network only needs one Administrator to approve admin tasks, your ABN will now be active. If your Online Banking is set up for more than one approver, the additional Approvers will need to: 

In the Westpac App

1. Tap Business, then tap Approvals
2. Select the Other tasks tab and tap Approve or Reject for any pending admin tasks

In Online Banking

1. Click on the Approval button (near the Sign Out button)
2. Select Administration to see the admin tasks pending approval