Pacific Mercantile Bancorp is a holding company of Pacific Mercantile Bank, which engages in the provision of banking services.

The company is headquartered in Costa Mesa, California and currently employs 160 full-time employees.

The firm's business operations are conducted by the Bank.

The company operates through commercial banking segment.

The Bank offers its customers different loan products, including commercial loans and credit lines, accounts receivable and inventory financing, Small Business Administration (SBA) guaranteed business loans, and owner-occupied commercial real estate loans.

Its investments primarily include securities available for sale, which consist of residential mortgage backed securities issued by the United States agencies; residential collateralized mortgage obligations issued by non agencies; asset backed security and mutual funds.

Its sources of funds include deposits, and borrowings and contractual obligations.

Its deposits consist of noninterest bearing demand deposits, interest-bearing checking accounts, money market and savings deposits, and time deposits.