D
Daiko Advertising
Osaka, Japan · Founded 1944
1534 employees
Sourced & current · updated May 11, 2026
Founded 1944 in Osaka, Daiko is the Kansai-rooted general agency arm of Hakuhodo DY Holdings, with ~1,500 employees focused on brand activation and regional/SME accounts. The "D" in "DY". Sources: HDYH Group Outline + HDYH History PDF.
Where they sit
Stack tier: Infrastructure & Data (B)
Kansai-region (Osaka) strength; brand activation + regional accounts
Ownership
Parent: Hakuhodo DY Holdings