Our Phone Number: +81-3-5577-6700
Normal business hours: 9:00am to 7:00pm JST
* We offer 24 hours/365 days support services around Tokyo, Japan.

eCorpOne Co., Ltd. –  We are IT infrastructure integration and support located in Tokyo Japan.
We are Type-2 Telecommunications registered carrier (registered as A-23-1232) and are Microsoft certified professionals.

Corporate IT infrastructure (PC, server, and network) deployment & support

  • 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.
  • 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.