Yahoo Japan

Rebranded

Tokyo, Tokyo, Japan · Founded 1996

10001+ employees · 4689.T

Sourced & current · updated Oct 5, 2026

Yahoo Japan, now operating as LY Corporation, was a major Japanese web portal that deeply integrated its services into the daily lives of Japanese users, functioning as far more than a search engine.

Where they sit

Stack tier: Ecosystem Services (A)

Demand Side Platform (DSP)Video Advertising PlatformProgrammatic Platform

Japan's dominant internet portal and digital advertising platform, commanding the largest share of Japan's search and display advertising market

Ownership

Parent: SoftBank Group