October 1895
Hakuhodo founded by Hironao Seki at 22 Kanda-Nabecho, Tokyo, as an advertising space broker for educational magazines.
October 1914
Headquarters relocated to Kanda-Nishikicho.
February 1924
Company reorganized as a stock company (kabushiki kaisha).
Hironao Seki becomes first President & Member of the Board.
June 1930
Construction of new offices (Nishikicho Headquarters) completed.
September 1948
The Hakuhodo Geppo (later Kohkoku) first published.
April 1955
Company name changed to Hakuhodo Incorporated.
June 1957
Account executive (AE) system introduced, pioneering cross-disciplinary teams responsible for specific clients.
January 1960
Hakuhodo Declaration announced.
September 1981
Hakuhodo Institute of Life and Living, Inc. established.
June 1982
Cannes Lions International Advertising Festival Grand Prix awarded to “Menu of Lights” TV commercial for Matsushita Electric Industrial Co., Ltd.
May 1991
Grand Design Partner corporate philosophy announced.
June 1993
Cannes Lions International Advertising Festival Grand Prix awarded to “Hungry?” TV commercial for Nissin Food Products Co., Ltd.
October 1995
Centenery of Hakuhodo's founding.
December 1995
Market Design concept introduced.
May 2002
Powerbranding corporate philosophy announced.
June 2003
Hakuhodo awarded special 50th anniversary Lion at Cannes Lions International Advertising Festival.
October–December 2003
Hakuhodo DY Holdings Inc., a joint holding company, established with Daiko Advertising Inc.and Yomiko Advertising Inc.
Hakuhodo made a fully owned subsidiary of Hakuhodo DY Holdings through a share transfer.
Hakuhodo DY Media Partners Inc. established.
February 2005
Hakuhodo DY Holdings Inc. listed in the First Section of the Tokyo Stock Exchange.
May 2008
New Group logo adopted.
May 2008
Headquarters relocated to 5-3-1 Akasaka, Minato-ku, Tokyo.
April 2014
New shared vision, Inventing the future with sei-katsu-sha, formulated by Hakuhodo and Hakuhodo DY Media Partners.
October 2015
120th anniversary of Hakuhodo's founding.