Address: 1455 Market Street
Web site: http://www.square.com
Description: Square is making commerce easy for everyone. Starting with a free credit card reader for the iPhone, iPad, and Android devices, Square Reader allows anyone to accept credit cards anywhere, anytime, for a low transaction rate of 2.75 percent per swipe, with no hidden fees or contract. Register serves as a full POS system for businesses to accept payments, manage items, and share menu information. Founded in 2009, and headquartered in San Francisco, Square is currently available in the US, Canada, and Japan.