Our goal is to excel at securing and enhancing the financial wellbeing of people, businesses and communities. That means if we get something wrong, we do what we can to make it right again.

Our team is ready to listen and help you with any problem or issue you may need resolved. Equally, your compliments and suggestions help us to serve you better. 

Talk to us

Talk to us. Where possible, we encourage you to visit your branch or contact our General Enquiries team.




General Banking

Log on to NetBank and click 'Contact us'


13 22 21 (Option 4)

Log on to NetBank and click 'Contact us'

Business Banking



13 24 23
(Home Insurance and Car Insurance)

13 10 56
(Life Insurance and Annuities)

13 20 15
(Superannuation and Investments)

Colonial First State

Commonwealth Essential Super

In person, at your local branch

National Relay Service

TTY/Voice:133 677

SSR: 1300 555 727

Make a complaint / compliment

Your feedback is important to us. If you are not satisfied with a product or service we have provided, please inform us. Our online feedback form is quick and simple to fill out.

If you have tried to resolve your complaint at your branch or through contacting any of the above customer service teams and are not satisfied with the outcome, you can contact our Customer Relations team directly.

Call us: 1800 805 605 (8.30 am to 6.00 pm EST Monday to Friday)

Call us from overseas: +61 2 9841 7000 (International charges apply)

Fax us: 1800 028 542

Write to us: CBA Group Customer Relations, Reply Paid 41, Sydney NSW 2001


National Relay Service

TTY/Voice: 133 677

SSR: 1300 555 727


Our complaint process

When you make a complaint to us we will:

  • Acknowledge your complaint and make sure we understand the issue
  • Do everything we can to fix the problem
  • Keep you informed of our progress
  • Keep a record of your complaint
  • Give you our name, a reference number and contact details so that you can follow up, if you like
  • Provide a final response within 45 days (most complaints can be resolved in a few days).

In the event of a delay and if we are unable to provide a final response to your complaint within 45 days, we will:

  • Inform you of the reasons for the delay
  • Advise of your right to complain to the relevant external dispute resolution scheme
  • Provide you with details of the relevant external dispute resolution scheme

We recommend that you:

  • Gather any documents and other supporting information
  • Keep detailed records of letters, names, times and dates relating to your complaint
  • Let us know how you would like the complaint to be resolved

If you are not happy with the response our Customer Relations team provide, you may refer your complaint to external dispute resolution.

The Financial Ombudsman Service (FOS) offers a free, independent dispute resolution service for the Australian banking, insurance and investment industries. You can contact FOS on 1300 780 808, or by writing to Financial Ombudsman Service, GPO Box 3, Melbourne, VIC 3001, or online at www.fos.org.au.

The Superannuation Complaints Tribunal (SCT) is a Commonwealth body that deals with complaints about superannuation. You can contact the SCT on 1300 884 114, or by writing to Superannuation Complaint Tribunal, Locked Bag 3060, GPO Melbourne, VIC 3001, or online at www.sct.gov.au.

When you contact us we might record your telephone conversation and make notes about your contact. Any information that we record regarding your contact is subject to our Privacy Policy

Learn more about our Privacy Policy

Compliments and suggestions

If you compliment a specific staff member or team, we make sure your compliment is passed on so that they can be recognised for their service to you.

If you compliment a product, we pass your feedback onto the appropriate department to help them focus on what works well for our customers.

Submit a compliment

Your feedback helps us to maintain a high standard of service and provide products and services that satisfy your needs. If you have a suggestion about how we can improve our products and services please let us know.

Make a suggestion