The group's principal activity is to provide traditional and Internet banking products services through its subsidiary, pacific mercantile bank. The activities are carried out through two segments: commercial banking and mortgage banking. The commercial banking segment provides a diversified range of products and services to small and medium-size businesses, professional firms and individuals. The products and services include various types of deposit accounts, various types of commercial and consumer loans, cash management services and Internet banking services. The mortgage banking segment originates and purchases residential mortgages and resells within 30 days to long-term investors in the secondary residential mortgage market. These products and services are offered through six banking offices located in California.