Hakuhodo DY ONE

Hakuhodo DY group's digital marketing company, formed 2024

Overview

Hakuhodo DY ONE was established on 1 April 2024 by merging Digital Advertising Consortium (DAC), founded in December 1996, with IREP, which began in November 1997 as Aspire and took the IREP name in 2000[23]. It had 3,290 employees on 1 April 2026 and is headquartered in the Akasaka Biz Tower in Minato, Tokyo[22]. The company calls itself the “digital core” of the Hakuhodo DY Group, pooling the group’s digital knowledge and resources[22]. Its parent group widened its digital base further in 2025 with the tender offer for Digital Holdings, also listed here[9]. It is one of the two largest digital specialists in Japan by headcount in this list, alongside Dentsu Digital.

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