Western Alliance Bancorporation, headquartered in Phoenix, Arizona, is a key player in the banking sector, primarily serving Arizona, California, and Nevada. The company, founded in 1994, offers a wide range of banking products and services through its main subsidiary, Western Alliance Bank. These include various deposit accounts, treasury management, residential mortgages, and a comprehensive suite of commercial loans covering everything from working capital to real estate. Additionally, Western Alliance provides advanced financial services like internet banking, electronic bill payments, and cash management, catering to both individual and corporate clients.