Migration & Modernisation
Upgrade React Application — Without Re-launching Your Site
Old stack out, new stack in — without a re-launch
Senior engineers · IST + EST overlapNDA on day 124-hour reply
The problem
What you're seeing
You're stuck on React 16 / 17 + class components, and the path to 18+ feels scary.
How we fix it
Our approach
We map the breaking changes, migrate context + lifecycle code, and unlock concurrent features — with tests covering every refactored path.
What you get
Concrete deliverables, no fluff
Every engagement ends with measurable, documented outcomes — no black-box agency reports.
Migration plan with route-by-route mapping
Incremental cut-over, no big-bang launch
Data + SEO parity verified at every step
Decommissioning checklist for the old system
Tooling we use
Industry-standard stack, no proprietary lock-in
ReactNext.jsTypeScriptStrangler-fig pattern
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