Bank of the West is a regional financial services company chartered in California and headquartered in San Francisco with $89.5 billion in assets as of March 31, 2018. Founded in 1874, Bank of the West provides a wide range of personal, commercial, wealth management and international banking services through hundreds of locations in 23 states and digital channels. Bank of the West is a BNP Paribas Company, which has a presence in 74 countries with an estimated 192,000 employees. Deposit and loan products offered by Bank of the West, Member FDIC. Equal Housing Lender. In South Dakota, Bank of the West operates under the name of Bank of the West California.