Services
Legacy Application Modernization
Move off aging, fragile systems — safely. We modernise legacy applications onto secure, scalable foundations without losing uptime or data.
- 100+
- Products shipped
- 95+
- Lighthouse target
- A+
- Security posture
- 24/7
- Monitoring & support
Overview
Modernise without the big-bang risk
Legacy systems slow you down and pile up risk, but ripping everything out at once is dangerous. We modernise incrementally, with a clear migration and redirect strategy.
The result is a faster, more secure, more maintainable platform your team can actually evolve.
[1]Assessment & roadmap
Audit the system, risks and a phased modernisation plan.
[2]Re-architecture
Decompose monoliths into maintainable, scalable services.
[3]Cloud migration
Move workloads to secure, cost-efficient cloud infrastructure.
[4]Data migration
Migrate data safely with validation and zero loss.
[5]SEO-safe re-platform
301 strategy that preserves your hard-won rankings.
[6]Security uplift
Close gaps and bring systems up to modern standards.
How we deliver
How we deliver
- 01
Discover
Map requirements, users, data and the metrics that define success.
- 02
Design
Architecture, UX and a performance budget agreed up front.
- 03
Build
Iterative delivery on a modern, typed, well-tested stack.
- 04
Ship & support
CI/CD, monitoring and ongoing improvement after launch.
Tools & technologies
The technologies we build with.
A pragmatic, best-of-breed stack — chosen for accuracy, cost, security and scale.
Why CodeGenIT
Why teams choose CodeGenIT
Senior, in-house team
Experienced engineers and designers — no hand-offs to juniors.
Fast time-to-value
Thin, working slices early; iterate to scale with confidence.
Secure by default
Hardened headers, dependency scanning and best-practice controls.
Outcome-driven
We measure success in business results, not lines of code.
Client voices
Trusted to deliver outcomes.
CodeGenIT turned a months-long AI ambition into a shipped, audited system our risk team actually trusts.
The new storefront is the fastest we've ever had — and conversion jumped the week we launched.
Proof
Outcomes we’ve shipped.
FAQ
Questions, answered.
Can’t find what you need? Our team is happy to talk specifics.
Can you modernise without downtime?+
Yes — we use incremental patterns and careful cutovers to keep the system live throughout.
Will we lose our SEO?+
No. We map and 301-redirect existing URLs to preserve your rankings.
Do we have to rewrite everything?+
Rarely. We modernise where it pays off and keep what still works.
Explore related
Let's build it together.
Tell us what you're trying to achieve — we'll reply within one business day.