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Septeni Holdings
Tokyo, Tokyo, Japan · Founded 2000
1001-5000 employees · 4293.T
Sourced & current · updated May 12, 2026
Septeni Holdings is a leading Japanese digital advertising and media group, operating one of Japan's largest internet advertising networks with strong ties to Yahoo Japan and a growing manga/content business.
Where they sit
Demand Side Platform (DSP)Marketing AgencyPerformance Marketing
One of Japan's leading digital advertising groups with a strong performance advertising focus and strategic partnership with Yahoo Japan / LY Corporation