Western Alliance Bancorporation operates as the bank holding company for Western Alliance Bank that provides various banking products and related services primarily in Arizona, California, and Nevada. It operates through Commercial and Consumer Related segments. The company offers deposit products, including checking, savings, and money market accounts, as well as fixed-rate and fixed maturity certificates of deposit accounts; demand deposits; and treasury management and residential mortgage products and services. It also provides commercial and industrial loan products, such as working capital lines of credit, loans to technology companies, inventory and accounts receivable lines, mortgage warehouse lines, equipment loans and leases, and other commercial loans; commercial real estate loans, which are secured by multi-family residential properties, professional offices, industrial facilities, retail centers, hotels, and other commercial properties; construction and land development loans for single family and multi-family residential projects, industrial/warehouse properties, office buildings, retail centers, medical office facilities, and residential lot developments; and consumer loans.