Legacy modernization without stopping the business
Keep the years of business logic in your old system. Lose the slowness, the risk and the dependency on people who've left.
For organisations whose core system is hard to change or support
Starts with a Code Health Audit (1–2 weeks)
Phased modernization program
Business keeps running throughout
Prokoders modernizes legacy systems for enterprises and growing businesses worldwide. AI-assisted code analysis recovers how the old system works, then the system is moved to modern technology and cloud step by step, with old and new running side by side until a zero-downtime cutover. A rewrite is recommended only when it costs less over time.
Sound familiar?
Every change to your core system takes months and costs too much.
The people who built it have left, and nobody wants to touch it.
You need features the old system can't carry — mobile access, integrations, AI.
What changes with Prokoders
The business keeps running.
Migration in stages, never a big-bang switch.
Knowledge recovered.
Business rules found, documented and preserved.
Room to grow.
A modern platform ready for integrations, mobile and AI.
What's included
Legacy assessment and AI-assisted code comprehension
A refactor-or-rebuild recommendation with cost ranges
Replatforming to modern technology and cloud
Database redesign and data migration
Step-by-step migration with zero-downtime cutover
Business rules captured and documented
How it works
Assess
Understand the code, data and risks.
Plan
A roadmap that delivers value early and retires risk first.
Migrate in stages
Old and new run side by side.
Cut over and retire
Switch with no downtime, then switch the old system off.
What you get
A modernization roadmap
The migrated system, live
Documentation of the business rules inside it
A plan to retire the old system
Why Prokoders for modernization
AI-assisted analysis
We read old code far faster, which cuts the cost of understanding before changing.
Refactor before rebuild
We keep what works.
Experience with migrations that can't afford downtime
Proven track record across mission-critical enterprise platforms with high transaction volumes.
Typical use cases
A distributor moving a long-running desktop system to a web platform without stopping operations.
An institution migrating its database to the cloud with zero downtime.
A company replacing an unsupported framework while keeping its business rules.
If the old system is small and the process has changed completely, a fresh build may be simpler — the audit will say so.
Modernization case study
FAQ
Refactor when the core logic is sound and the problems are in specific areas; rebuild when the technology is unsupported or the process has changed beyond recognition. A Code Health Audit gives you a written recommendation with cost ranges.
Not sure whether to refactor or rebuild?
Get a written answer from a Code Health Audit.