Yahoo Japan

Rebranded

Tokyo, Tokyo, Japan · Founded 1996

10001+ employees · 4689.T

Sourced & current · updated Aug 26, 2026

Yahoo Japan (now LY Corporation) is Japan's leading internet services company operating a major digital advertising platform, search engine, e-commerce, and portal services.

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