TOM Group Ltd. is an investment holding company. It operates through the following group segments: E-Commerce, Mobile Internet, Social Network, Publishing, and Advertising. The E-Commerce Group segment provides services to users using the mobile and internet-based marketplace; and technical services for e-commerce operations. The Mobile Internet Group segment offers mobile internet services, online advertising, and commercial enterprise solutions. The Social Network Group segment includes services of online community and social networking websites. The Publishing Group segment focuses on magazine and book publishing and circulation; and sales of advertising. The Advertising Group segment is involved in sales of outdoor media assets and services, event production, and marketing services. The company was founded by Sing Wang in October 1999 and is headquartered in Hong Kong.