Alibaba Group Holding Limited is a Chinese multinational conglomerate holding company specializing in e-commerce, retail, Internet, and technology. Founded on 4 April 1999 in Hangzhou, Zhejiang, the company provides consumer-to-consumer (C2C), business-to-consumer (B2C), and business-to-business (B2B) sales services via web portals, as well as electronic payment services, shopping search engines and cloud computing services.