Commonwealth Bank of Australia is an Australia-based bank that focuses on providing retail and commercial banking services predominantly in Australia, and in New Zealand through its subsidiary, ASB Bank Limited (ASB). It serves approximately 17 million customers. The Company's segments include Retail Banking Services, Business Banking, Institutional Banking and Markets and New Zealand. Retail Banking Services segment provides banking products and services to personal customers, and banking and advisory services for high-net-worth individuals. Business Banking serves the banking needs of business, corporate and agribusiness customers across the full range of financial service solutions. Institutional Banking and Markets offers a full range of financial services solutions including access to debt capital markets, transaction banking, working capital and risk management. New Zealand includes the banking and funds management businesses operating in New Zealand under the ASB brand.