Welcome to eCorpOne’s web site!

We are Tokyo based ITIV v3 adhered IT support service provider since year 2006. We focus on providing profesional IT support for global corporate clients having local branch offices in Japan.  We  are proficient in meeting difficult requirements agaist difficult restrictions and constraints of both Japanese supply chain of IT products, legal, technical, and corporate policies.

Please feel free to contact us to have an online meeting at convenient time in your time zone.


We will be having company holiday between January 15 and January 25, 2024.  Clients with 24/365 maintenance agreement will be able to continue receiving our services including urngent on site support service during the period. Thank you for your understanding.


Corporate resilience enhancement with IT infrastructure

  • Using remote desktop and/or VPN, adapt to remote work environment. 
  • Cloud support: Microsoft 365 and Google workspace integration.
  • Corporate office IT design and maintenance: We design Active Directory managed Windows client PCs with VPN access. Well documented design.  Workfolder (on premise version of Microsoft One Drive), and single sign-on.

  • IT support: 24/365 Break-fix urgent visit & regular maintenance service.
  • IT warehousing service: We keep customer’s devices for quick replacement at customers’ site.  We do basic configurations.  We can bring a PC and a mobile terminal for your Teamviewer access or other remote management tools.
  • Electricity support: UPS support for physical and virtual systems.

  • Network layer security systems and VPN solutions (FortiGATE, Cisco, Juniper, SonicWALL, and Untangle).   Subnetting and VLAN security.
  • WiFi with VLAN separation for guests and employees.
  • User management:  hiring and leaving employee management including license and user folder management.