Company profile

Name of the Company

SaiNet Corporation
Corporate Number: 8030001075015
Invoice-issuing Businesses Registration Number: T8030001075015

Representative Director

Taro Inoue
B.Eng., M.Eng.
President and Representative Director


July 13, 1995

Total Capital

195,559,491 yen (as of Dec. 2021)
Capital:10,000,000 yen
Capital Surplus:185,559,491 yen


Address: SaiNet Building, Namiki 2-25-3, Kawaguchi, Saitama 332-0034, Japan
Phone: +81-48-259-2366
Facsimile: +81-48-259-2870

Branch office and access point

Branch office
Maekawa branch
Kanagawa branch
Access point
All prefectural 47 areas in Japan


  1. Internet service provider
  2. Internet data center service
  3. Software development
  4. Production for web contents
  5. Development for Internet-related services
  6. Design/construction/maintenance for communication and electric equipment
  7. Training for Information technologies
  8. Exporting and Importing


  • Management room
  • Sales department
    • Sales section
    • Support section
  • Technical department
    • Technical section
    • Development section
    • Web-design Section
  • General affair department
    • General affair section

Transfer agent

  • Mizuho Bank Nishikawaguchi branch
  • Saitama Risona Bank Warabihigashi branch
  • Bank of Tokyo-Mitsubishi UFJ Nishikawaguchi branch
  • Musashino Bank Nishikawaguchi branch
  • Johoku Trust Bank Maekawa branch

Type of Telecommunication business

Telecommunication Carrier
Notification number by MIC: A-7-1033(July 24, 1995)

Permission for Construction business

Licensed by Governor of Saitama Prefecture (General-2)#55810

electrical construction business
telecommunication construction business

Certification for Antique Dealer

Certification number by Saitama Prefuctual Public Safety Commission: 431030023682

Public Certification

  • ISO9001
  • ISO27001
  • Safe & Security ISP mark

DUNS number

  • 693059060

Cooperative Company

  • Inoue Electrical Construction Co.,LTD.
  • Mitsuya General Lease Co.,LTD.
  • SaiNetAd Corporation


  • Japan network information center(JPNIC)
  • Japan internet provider association(JAIPA)
  • Japan registry service(JPRS)
  • Saitama prefectual liaison council for computer network security
  • Kawaguchi Inter-industry Exchange Plaza
  • The Kawaguchi Chamber of Commerce & Industry