Apart from Hakuhodo Inc., Daiko Advertising Inc., Yomiko Advertising Inc. and Hakuhodo DY Media Partners Inc., Hakuhodo DY Holdings Inc. also has the following subsidiaries:

Hakuhodo DY Total Support Inc.
NBF Toyosu Gardenfront, 5-6-15 Toyosu, Koto-ku
Tokyo 135-8618
Tel: +81-(0)3-5144-7100
Accounting, administration and human resources outsourcing

Hakuhodo DY Capco Inc.
Akasaka Biz Tower 5-3-1 Akasaka, Minato-ku
Tokyo 107-6304
Tel: +81-(0)3-6441-6645
Temporary staffing recruitment and placement

Hakuhodo DY I.O Inc.
NBF Toyosu Gardenfront, 5-6-15 Toyosu, Koto-ku
Tokyo 135-8617
Tel: +81-(0)3-5144-7155
Accounting outsourcing. A special subsidiary promoting the employment of people with disabilities