Western Alliance Bancorp is a bank holding company, which engages in the provision of deposit, lending, treasury management, international banking, and online banking products and services. It operates through the following business segments: Commercial; Consumer Related, and Corporate and Other. The Commercial segment focuses in delivering commercial banking and treasury management products and services to small and middle-market businesses, specialized banking services to sophisticated commercial institutions and investors within niche industries, as well as financial services to the real estate industry. The Consumer Related segment provides commercial banking services to enterprises in consumer-related sectors and consumer banking services. The Corporate and Other segment represents the Company's investment portfolio, Corporate borrowings and other related items, income and expense items. The company was founded in 1995 and is headquartered in Phoenix, AZ.