CBA The Consumer Bankers Association ( CBA ) is the national trade association for today's leaders in retail banking banking services geared toward consumers and small businesses. Most of the nation's largest financial institutions, as well as many regional banks, are CBA corporate members. Our members collectively hold two-thirds of the industry's total assets. Our associate members represent both the premier providers of goods and services to banks, as well as the leading non-bank financial services companies. Member loyalty is reflected in our membership renewal rate, which consistently remains above 90.