Headquartered in Irvine, California, Spectrum Bank provides its customers with the cutting edge technology and personalized service that have been the keystone of the bank since its 1955 founding. Spectrum Bank’s mission is to consistently provide professional, friendly and secure banking services for business and individual customers with the desire to grow with its customers. Spectrum Bank is an operating subsidiary of Belvedere's Southern California organic growth and roll-up platform, Belvedere SoCal.