Web App Development - Legacy System Renovation & Replacement
We renovate outdated systems and replace them with modern technologies.
Modernize Your Legacy Systems
We replace outdated systems with modern technologies to improve maintainability and scalability.
We handle everything from incremental renovations to full replacements.
Challenges We Solve
- System is old and slow.
We rebuild with modern technologies to improve performance.
- Original developer is gone.
We analyze the code and establish a handover and maintenance structure.
- Adding features is difficult.
We redesign with an architecture that is easy to extend.
- Security concerns.
We modernize the system with the latest security measures.
Service Details
- Current System Assessment.
We investigate the existing system's code, configuration, and issues.
- Renovation Proposal.
We propose the best approach, whether incremental renovation or a full replacement.
- Replacement Development.
We rebuild the system with a new technology stack.
- Data Migration.
We migrate existing data to the new system.
- Parallel Operation.
We support parallel operation of the old and new systems.
- Handover & Documentation.
We document the system configuration and operational procedures.
Development Flow
Development Process
Current System Assessment
We investigate the existing system and identify issues.
Renovation Plan
We define the scope, approach, and schedule.
Design
We design the new system.
Development
We develop the new system.
Data Migration & Testing
We migrate data and verify functionality.
Switchover
We switch to the new system.
Pricing
| Service | Price (excl. tax) |
|---|---|
Current System Assessment Code analysis and issue report | From ¥200,000~ |
Partial Renovation Renovation or addition of specific features | From ¥500,000~ |
Full Replacement Complete system rebuild | From ¥2,000,000~ |
※ * Prices vary depending on system scale and complexity.
FAQ
We can handle major languages such as PHP, Java, Ruby, and Python. Please let us start with a current system assessment.
Yes, we can analyze from the source code. However, the investigation may take additional time.
Yes, we support data migration from the existing database to the new system.
