ASB Bank Ltd. engages in the provision of banking services. It operates through the following segments: Personal Banking, Business Banking, Corporate Banking, and Other. The Personal Banking segment includes banking, investment, and insurance services to personal customers. The Business Banking segment offers services to commercial, rural, and small business customers. The Corporate Banking segment is involved in corporate customers, transactional banking services, and retail broking services. The Other segment focuses on banks' treasury function and other functions that provide support and services. The company was founded in 1847 and is headquartered in Auckland, New Zealand.