Computer Software Association of Japan

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About CSAJ

The Computer Software Association of Japan (CSAJ) is a general incorporated association organization which has about 650 Software developers, publishers, system integrators, distributors, dealers and its related support service providers. The main activities are committees, exhibitions, market surveys, and collaboration with overseas associations.

Number of Membership (2019/09/01)
Regular membership 505
Supporting membership 49
Special Supporting membership 3
Administrative membership 10
Examination venue membership 5
Associate membership 79
Total 651

Number of employees at regular member


Akasaka Grace Building 4th Floor, Akasaka 1-3-6, Minato-ku, Tokyo, 107-0052, Japan

Tel +81-(0)3-3560-8440
Fax +81-(0)3-3560-8441
Mail csaj-info@
Please take  when you send an e-mail to us.


【Tameike-Sannō Station】  Tokyo Metro Ginza line/ Namboku line, Exit 9 or 8
【Toranomon Station】  Tokyo Metro Ginza line, Exit 3
【Kokkai-gijidō-mae Station】  Tokyo Metro Chiyoda line/Marunochi line, Exit 7