Abacus Business Computer (abcPOS) is a platform of services (POS) company based in New York City, USA since 1991, providing one-stop solutions from POS systems to merchant services to growth marketing. With over 30 years in the industry, the abcPOS system has evolved from DOS to Windows to Android to a cloud-based system. Customers range from restaurants to retailers, e-commerce to franchises to international brands. We aim to help you to manage your business as easy as abc.