Business help & support

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If you still can't find the right answers, our business team is here to help.

Chat to Ceba

Ceba, our virtual banking assistant, can answer general enquiries or point you in the right direction if you need to speak to a human.

Chat to Ceba by selecting the chat icon in the top right of the CommBank app or NetBank. 

Click to call

Have the CommBank app? When you call us through the CommBank app, you’ll:

  • Fast-track your call by skipping the security questions
  • See the expected wait time
  • Get connected to the right person.

Access this through the 'Contact us' button on the relevant app page. If call isn't available, you can start a chat instead.

General business enquiries

Call 13 1998 any time

Overseas? Call +61 2 9009 0593

You can also locate your local Business Banker

Merchant services

Existing merchant customers
Call 1800 230 177 any time

Merchant application enquiries
Call 1800 730 554

Mon - Fri 8am - 9pm, and Sat 9am - 3pm 
(Sydney/Melbourne time)

Overseas? Call +61 2 9009 0593



Call 1300 772 968 any time 

You can also email Agribusiness at or request a call back


International business

Call 1300 654 133

8:30am - 5:30pm, Mon - Fri
(Sydney/Melbourne time)

Car & equipment finance

Call 1800 277 387

8am - 8pm, Mon - Fri
(Sydney/Melbourne time)

You can also locate your local Business Banker

Business credit cards

Business Awards credit cards
Call 13 2221

All other Business credit cards
Call 13 1576 any time

Overseas? Call +61 2 9009 0593


Call 13 2339 any time

Overseas? Call +61 2 9009 0593

CommBiz Markets

Call 1300 222 339 or email CommBiz Markets at

8am - 6pm, Mon - Fri
(Sydney/Melbourne time)

Things you should know

Fees and charges apply, depending on the payments type in CommBiz – refer to CommBiz terms and conditions for more information.

As this information has been prepared without considering your objectives, financial situation or needs, you should, before acting on the information, consider its appropriateness to your circumstances.

Business Transaction Account, NetBank, CommBank app and CommBiz: The target market for these products can be found within the product’s Target Market Determination.