Company Info


Company Name Principle Co., Ltd.
Founded October 20th, 2011
CEO Kenichiro Kusuyama
Headquarters 10F, Tri- Edge Ochanomizu Bldg. 4-2-5 Kandasurugadai, Chiyodaku,Tokyo, Japan Zip:101-0062
Contact TEL: 03-6206-9003 Email:
No. of Employees 60 including part-time and intern as of November. 2017
Board Members Vice President Kazuhiro Kida
Executive Officer Kenta Nakamura
Partners Google, Yahoo Japan Corporation,, Inc., Lists of other partners(here)
Business ・Providing consulting services of online strategies on the basis of data analytics
・Implementing pulling in customers methods of listing Ads, SEO and LPO.
・Selling “Made in Japan” products online through our own shopping site ( 
・Supporting overseas business expansion mainly to North America.
Other location Principle America Corp.
1202 Kifer Rd., Sunnyvale, CA 94086
Tel: 408-316-8855 / Fax: 408-636-2199


Otc. 2011 Founded Principle Co., Ltd. in Hirakawacho, Chiyoda-ku, Tokyo, by receiving investment from PRESIDENT Inc.
July 2012 Started E-Commerce overseas through our own “” online shopping site exporting to 6 countries with
Certified as a “ClickTale Certified Partner”.  ClickTale has 70,000 enterprise users worldwide.
Sept. 2012 Qualified as a “Google AdWords Certified Partner”.
Nov. 2013 Relocated office to Jingumae in Shibuya-ku.
Dec. 2013 Qualified as a “Google Analytics Certified Partner (GACP)”.
Apr. 2014 Qualified as a “Tableau Alliance Partner”.  Tableau is a typical BI tool in the US.
Certified as a “Yahoo Promotional Ads” official agent.
Aug. 2014 Relocated office to Kandanishikicho in Chiyoda-ku.
May 2015 Qualified as a “Criteo Certified Partner”.
July 2015 Earned a GTM(Google Tag Manager)Certificate.
December 2015 Relocated office to Shin-Ochanomizu in Chiyoda-ku.


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