Index Co., Ltd. is a Japan-based life-planning services company that places each customer’s life at the center of its approach. Guided by the belief that people should come first, the company emphasizes consideration and care between people, which it sees as fundamental to well-being and happiness. Its work is presented as a life-plan service, although the available information does not specify individual products or the precise services offered.

The company provides information about its philosophy, services, corporate profile, and career opportunities through its website, alongside contact channels for customers and general inquiries. Index is headquartered in the Daiwa Nishi-Shinjuku Building in Shinjuku, Tokyo, within walking distance of the west exit of JR Shinjuku Station. It also publishes company news and announcements, including notices about annual holiday closures. In December 2024, the company announced its listing on the Tokyo Stock Exchange’s TOKYO PRO Market. Through its people-centered philosophy and focus on life planning, Index presents itself as a service company seeking to support customers by considering their lives and needs as its starting point.