The country's $111 billion mutual banking segment represents more than 4 million Australians. As of April 15, 2019, there were over 20 mutual banks in Australia. Operating under APRA supervision, member-owned sector has powerful track record of stability and customer satisfaction. Here is a list of mutual or customer-owned banks operating in Australia.

Australian Military Bank provides banking products and services to more than 50,000 customers through over 30 locations.

Australian Unity Bank Limited

Bank Australia (formerly bankmecu) – One of the leading mutual banks in Australia, with more than $5.5 billion in assets and $4.5 billion in deposits.

Bank First (formerly Victoria Teachers Mutual Bank), a trading name of Victoria Teachers Ltd, offers a wide array of competitive products including savings accounts, personal and car loans (green car loans, new and used car loans) as well as no annual fee credit cards (Visa Classic) and low rate credit cards (Visa Platinum).

Bankstown City Unity Bank was formerly known as Bankstown City Credit Union and changed its name in June 2017. It operates as a division of Unity Bank.

BankVIC (formerly Police Credit Union VIC) – One of the largest mutual banks in the state of Victoria, with around 111,000 members.

Beyond Bank Australia (formerly Community CPS Australia) – One of the country's largest mutual banks with operations in South Australia, New South Wales, Western Australia and the Australian Capital Territory.

Bank of us – The only Tasmanian mutual owned bank. It was formerly known as B&E Ltd, one of the oldest building societies. It offers a range of products and services including low rate credit cards with 9.99% p.a.

Bank of Heritage Isle, previously known as Heritage Isle Credit Union, serves more than 6,500 members across Tasmania.

Border Bank – A customer-owned financial institution operating as a subsidiary of Police Bank.

Defence Bank (formerly Defence Credit Union) – A member owned bank headquartered in Melbourne, Victoria.

Endeavour Mutual Bank (formerly Select Encompass Credit Union), located at 59 Buckingham St, Surry Hills NSW, provides car and personal loans, mortgages, credit cards, green loans, insurance, foreign exchange, retirement planning, estate planning and much more, through branches in Chippendale (Central Station), Hamilton, Revesby Homebush, Chullora, Gosford, Parramatta, Gymea, Merrylands and North Ryde. As of January 2019, Endeavour Mutual will no longer be part of the rediATM network.

Firefighters Mutual Bank is a subsidiary of Teachers Mutual Bank Limited.

First Option Bank Ltd

Gateway Bank Ltd, founded in 1955, was formerly known as Gateway Credit Union. Today it serves over 30,000 members and employs more than 60 people. BSB number is 676 000.

Greater Bank (formerly Greater Building Society), established in 1945, provides award-winning products to clients in New South Wales and southeast Queensland.

G&C Mutual Bank (formerly SGE Credit Union) – A customer owned institution based in Sydney, New South Wales.

Hume Bank (formerly Hume Building Society), headquartered in Albury, provides services to over 60K clients via approximately 20 branches and 50 ATMs. Albury is a major regional city located on the Hume Freeway (or Highway) and the northern side of the River Murray, southern New South Wales. The Hume Highway (M31) is one of the most important interstate highways in Australia. It starts in Melbourne and ends in Sydney.

Heritage Bank (formerly Heritage Building Society), headquartered in Toowoomba (the state of Queensland), is the largest mutual bank in Australia.

IMB Bank (previously Illawarra Mutual Building Society) – A mutual financial institution with over 180,000 customers and 550 employees.

QT Mutual Bank (formerly Queensland Teachers Credit Union) was rebranded to RACQ Bank in October 2017.

QBANK (formerly Queensland Police Credit Union or QPCU), located in Brisbane, serves employees and families of police, fire, justice, ambulance, emergency services, corrective services, nursing and public sector.

Qudos Bank (previously known as Qantas Staff Credit Union or Qantas Credit Union) is a trading name of Qudos Mutual Limited.

MyState Bank – A leading retail financial institution in Tasmania. It operates as a division of MyState Ltd, a financial group listed on the Australian Securities Exchange.

P&N Bank (formerly Police & Nurses Credit Society) – The largest mutual bank in Western Australia. It serves more than 100,000 customers across the state.

Police Bank (formerly NSW Police Credit Union), founded in 1964, serves Police and Department of Home Affairs families, as well as Tasmanian communities. Bank of Heritage Isle is the new trading name for Tasmania operations.

Regional Australia Bank – A customer-owned organization with presence in the New England, North West, Orana, Central West and the Hunter regions.

Teachers Mutual Bank (previously NSW Teachers Credit Union) is one of the biggest Australian mutual banks, with 199,000 members and $7.1 billion in total assets. It the only Australian bank to be recognized as one of 2019’s World’s Most Ethical Companies.

UniBank – A division of Teachers Mutual Bank.

Unity Bank Ltd was formerly known as Maritime, Mining & Power Credit Union.

Victoria Teachers Mutual Bank (formerly Victoria Teachers Credit Union) changed its name to Bank First in December 2017.