Mansan. jp is a Japanese business directory and search portal that helps users discover companies, services, web tools, and personal websites across Japan. Its listings can be explored by industry and region, making the site a practical resource for finding business information, useful links, and potential partners.

The directory covers a wide range of fields, including IT and digital services, healthcare and welfare, retail, education, travel, finance, manufacturing, and public organizations. Users can browse recent and featured listings, review company profiles and basic corporate details, and access links to organizations throughout the country. Mansan.

jp states that registration and search are free, and its collection includes more than 203,000 links. The platform also publishes business-related articles and reviews, and provides guidance for submitting listings and creating an account. In addition to its directory, Mansan.

jp operates online utilities, including web notification and analytics tools, a digital business-card creator, a bio-link and QR-code maker, and a URL-shortening service. Overall, it brings company discovery and practical web resources together in one searchable destination