Pacific Mercantile Bancorp operates as a holding company for the Pacific Mercantile Bank that provides a range of commercial banking products and services to middle-market businesses, professional firms, and individuals. The company's deposit products include checking accounts, interest-bearing term deposit accounts, savings and money market deposits, and time deposits. It also offers various loan products, such as commercial loans and credit lines, accounts receivable and inventory financing, small business administration guaranteed business loans, owner-occupied commercial real estate loans, working capital lines of credit and asset based lending, growth capital loans, equipment financing, letters of credit, and corporate credit cards. In addition, the company provides cash and treasury management solutions, automated clearinghouse payment and wire solutions, fraud protection services, remote deposit capture services, courier services, and online banking services; and import/export financing services. As of January 25, 2021, it operates seven offices in Orange, Los Angeles, San Diego, and San Bernardino counties, Southern California. The company was founded in 1998 and is headquartered in Costa Mesa, California.