Allied Members Credit Union Ltd (AMCU) was an Australian credit union with over 5,500 members. It offered a range of savings and investment accounts including everyday living accounts, 55+ easy living accounts, easy saver accounts, cash management accounts, christmas club accounts, social club accounts and term deposit accounts. It also offered personal loans, home and car loans, overdrafts, credit cards as well as life and general insurance, financial planning, internet banking and other services. Allied Members Credit Union was created in 2008 through the merger of Comtax Credit Union (established in 1948) and Security Credit Union (established in 1964).

In 2014, Allied Members Credit Union merged with Sydney Credit Union Limited (SCU).

Sydney Credit Union Ltd
19 Second Avenue
Blacktown NSW 2148
Phone number: 13 61 91