eCorpOne Co., Ltd. - We are IT infrastructure integration and support & solar energy development and management company located in Tokyo Japan.

Welcome to eCorpOne's web site!

We are IT management company located in Tokyo, Japan.

Global IT infrastructure design management
We provide IT support services in English and in Japanese. Various IT infrastructure engineers meeting our technical, ethical, and working standards are ready to provide both normal business hour support and 24 hours/365 days support. We can send engineers anywhere in APAC region.

Support calls and email communication are documented and informed monthly
We have been providing our IT services partly using ITILv3 method, which is recognized as a library of "best practices in IT". We deliver a monthly report for our IT support each month. The report contains various detailed support records, such ass what category of support, how serious the event was, who reported and how the issue was resolved, and many more. Customers are transparent to what services are provided from us.


We do not accept any sub-contracts. If you have a client requiring services in Japan, please introduce us. Thank you.

Our company phone number:

+81-3-5577-67700
(Our phone system requires at least 10 seconds to start ringing. Please do not hang up quickly)

Normal business hours:

9:00am to 7:00pm JST
* We
offer 24 hours/365 days support services.

IT integration for International companies

IT infrastructure deployment & support services in Japan

  • VMWare/Hyper-V/KVM virtualized servers (Windows Active directory and Linux servers) implementation projects for offices in Japan.

  • Deployment of IT infrastructure for global companies.

  • Remote and on site management of IT equipment.

  • IT equipment warehousing service for 24 hours/365 days delivery with SLA 4 hours in Tokyo.

  • Network layer security systems and VPN solutions (Fortigate, Cisco, Juniper, Sonicwall, and Untangle).

  • Backup solutions: Veeam, Synology, BackupExec, tape backup systems, and Apple Time Capsule support.

  • UPS and automatic server shutdown for physical and virtual systems.

  • Supports Office 365, G suite, domain/email hosting implementation and support.

  • Experience in IT for managing global companies since year 2006.


Solar energy plant design and operation


Payment software and hardware combined solutions - including web and kiosk terminal payment solutions

  • Credit card/cash payment terminal (Multiple currencies)

  • Web based management solution allowing analysis with revenue at multiple locations.

  • Barcode reading/printing solution allowing to read data over LAN.

  • Member card solution (Re printable on the surface of PET card, which can be used to show member points)