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Features & benefits

Earn bonus interest
You’ll be saving smarter, not harder.
$0 monthly account fee
Saving shouldn’t cost you money.
Withdraw money, without losing your interest
Because emergencies (and little splurges) happen.
Save as you spend
Set up The Boost on your Advantage Saver Account to give your savings extra oomph.
Open an Advantage Saver Account
Start earning bonus interest on your savings today
Aged 18+?

To be eligible, you’ll need to be 18+ and have a transaction account, either with us or another financial institution.

Increase balance by $250 each month

Simply increase your balance by at least $250 a month, and you’ll earn bonus interest on your savings.>

Earn up to 2.60% p.a.

Enjoy a combined 0.25% p.a. base rate and bonus 2.35% p.a. on balances between $100,000 and $750,000.>

Open in less than 5 minutes Open now
Clever ways to save
The Vault

Avoid the temptation to dip into your saving by hiding your account in The Vault.

The Boost

Save every time you spend with The Boost.


Set up notifications and always know what's happening with your accounts.

You might also be interested in
Everyday Edge Account
A feature-packed everyday account for customers aged 18+
Home Saver
Reach your dream of home ownership sooner with bonus interest on your savings.
Get in touch
We're here to help.
Call 133 282

Mon - Fri: 8:00am - 7:00pm (AEST)
Sat: 8:00am - 4:00pm (AEST)

Find a branch
Speak to one of our friendly staff at a branch near you.
Connect online
Chat to us or browse help topics and FAQs.

Frequently asked questions

Who is Great Southern Bank?

Great Southern Bank is the trading name of Credit Union Australia Limited (CUA), Australia’s largest Customer Owned Bank. You may have previously known us as CUA.

For over 75 years we’ve helped our customers manage their money. We do this by providing clever products and smart tools that help you reach your financial goals sooner. Plus, being customer-owned means that our profits go back into our products and services, not shareholders.

We love helping people reach their financial goals and we can’t wait to help you reach yours, whatever they may be. Contact us to get started, we’re here to help!

How do I switch to Great Southern Bank?

Switching to Great Southern Bank is easier than you think and takes less than five minutes! All you need to do is open an account. It’s that simple.

Plus, we can help you switch your salary, direct debits, and regular payments to your brand-new Everyday Edge Account.

What bank accounts are available at Great Southern Bank?

Everyone is different, so it makes sense that we have more than one type of bank account.

Follow the links below to view our other bank accounts and find the one that suits you best.

Can I do my banking on my mobile phone?

Absolutely. Simply download our mobile banking app to do your banking anywhere from the convenience of your phone.

Can I do my banking online?

Yes. Great Southern Bank Online Banking is easy to use, convenient and secure. As a new customer you'll be set up with online banking as soon as you apply.

If you are already a customer, you can register for online banking in less than a minute and get started straight away.

How secure is mobile banking and online banking?

We take security very seriously and have several features to keep your online and mobile banking safe and secure.

For starters, you’ll always need your customer number and password to log in to digital banking. You can also take advantage of our special features for extra security and peace of mind.

Our key security features include:

While we take proactive steps to fight fraud, it’s important that our customers also take an active role in keeping their accounts secure.

Our online security checklist contains more tips and tricks to keep your account secure. And as always, never share your password with anyone.

Important Information

Great Southern Bank, a business name of Credit Union Australia ABN 44 087 650 959, AFSL 238317. Conditions, fees and charges apply.

This is general information and does not take into account your objectives, financial situation or needs. Consider the appropriateness of the information, including the Terms and Conditions (T&Cs) booklet, before acting on it. The Financial Claims Scheme may apply to this product; refer to the T&Cs for more information.

Rates current as at 12 August 2022 and subject to change.

> Applicants must be over the age of 18. Available to new and existing customers. Only one account per customer. Interest is calculated daily on whole balances and paid monthly. Rate applies on a stepped basis. Refer to the interest rate schedule for current interest rates. Bonus interest is applied on top of the base rate on balances up to $750,000 if the balance of the Advantage Saver account increases by $250 by the end of each calendar month (excluding interest payments, withholding tax and fees).