Square

Square, Inc. is a financial services, merchant services aggregator, and mobile payment company based in San Francisco, California. The company markets several software and hardware payments products and has expanded into small business services.

Square, Inc. provides credit card reader solutions. It offers tools for every part of running a business, from accepting credit cards and tracking inventory, to real-time analytics and invoicing. The company also offers financial, marketing services and customer engagement tools. Square was founded by Jack Dorsey and Jim McKelvey in February 2009 and is headquartered in San Francisco, CA.