Z Holdings Corporation, formerly Yahoo Japan Corporation, is a Japan-based company mainly engaged in group management business, Yahoo business and financial group management business. The group management business is mainly engaged in the management of group companies and the incidental business. The Yahoo business is involved in Internet advertising business, e-commerce business, and membership services business. The Internet advertising business is mainly engaged in the provision of advertisement-related services such as search-linked advertisements and display advertisements, as well as commerce related services, such as Auction and Yahoo! Shopping, membership services, such as Yahoo! Premium, the settlement finance related services, such as credit cards. The financial group management business is involved in banking business, data analysis business, marketing business and development support business.