S
Shirofune
Tokyo, Japan · Founded 2015
51-200 employees
Sourced & current · updated Oct 26, 2026
Shirofune is a Japanese ad management platform that automates campaign optimization across Google, Meta, Yahoo Japan, and other major ad networks, helping agencies and advertisers maximize ROI with minimal manual effort.
Where they sit
PPC ManagementMarketing Technology
Leading automated ad management platform in Japan with growing international presence, particularly strong among digital agencies managing multi-platform campaigns