Rentracks Co., Ltd. engages in the web consulting business. It operates through the following segments: Achievement Reward Advertising, Paid Search Advertising Agency, and Others. The Achievement Reward Advertising Services segment provides Internet advertising services for personal computer and smart phones. The Paid Search Advertising Agency segment operates the search advertising business. The Others segment handles media management and content marketing businesses. It also provides web consulting services such as SEO (Search Engine Optimization), SEM (Search Engine Marketing), construction of websites, web production and advertising agency. The company was founded on December 22, 2005 and is headquartered in Tokyo, Japan.