Company
Legacy modernization, and cloud services that support DevSecOps.
Not just a cutover
We move systems that are still in service onto current technology without rebuilding them. Tool-assisted migration is our strength: the current specification is kept intact and projects stay short. Our goal is a system your own team can maintain afterwards.
Corporate profile
- Company
- On Demand One, Inc.
- Representative
- Yuichi Kashiyama, President
- Founded
- July 2009
- Head office
- H1o Bldg. 5F, 8-6 Nihonbashi-Kobunacho, Chuo-ku, Tokyo 103-0024, Japan
- Phone
- +81-3-5962-3776
- info@ondemandone.com
- Business
- IT consulting / Migration services for legacy software / Cloud services for DevSecOps
Three pillars

Migration
VB6 / Classic ASP → .NET, Oracle Forms → Windows Forms, PowerBuilder / Delphi → .NET, database migration and upgrades.

Cloud services
AppDocOne (design documents), AppSecOne (vulnerability scanning), TestSupportOne (screen capture).

IT consulting
Current-state survey and feasibility, approach and team design, post-migration maintenance.
Track record
Mainly for major systems integrators and manufacturers — and including small and mid-sized companies, more than 30 organizations in total. Embedded and control systems are also within our scope.
Access
H1o Bldg. 5F, 8-6 Nihonbashi-Kobunacho, Chuo-ku, Tokyo
Start with whether migration is feasible
Tell us the platform version and the number of screens, and we will send an initial answer. We are happy to sign an NDA first.
TEL +81-3-5962-3776