.NET Legacy Modernisation
Your legacy .NET applications - modernised without the risk
Why EirenAI
22 years with .NET - Framework 2.0 to .NET 10. We know where you came from.
Enterprise-proven: legacy modernisation delivered for organisations including Deloitte.
Full journey ownership - assessment to production-ready Blazor. No handoffs.
Compliance-ready: Fintech, Banking, and Government sectors.
Legacy Stack We Work With
ASP.NET WebForms - Web Site and Web Application Projects
WCF (Windows Communication Foundation) - SOAP to REST/GraphQL
ASMX Web Services
Custom Web Controls (.ascx) - migrated to Blazor components
.NET Framework 2.0 through 4.8 - all versions
Assessment
Architecture, dependencies, and technical debt audit
Security exposure and compliance gap analysis
Clear roadmap and realistic timeline - before you commit
Modernisation
Phased migration to .NET 10 using the Strangler Fig pattern - no big-bang rewrites
WebForms to Blazor or Razor Pages
Your business keeps running throughout
Stabilisation & Performance
EF Core tuning: AsNoTracking, projections, compiled queries
DB optimisation: indexes, partitions, query performance
Security hardening and compliance baseline
Legacy Maintenance
Not ready to migrate yet? We maintain and stabilise your legacy system while you plan.
Security patching and critical fixes on .NET Framework
No pressure - but you'll have a clear plan when the time comes
What to Expect
Migrations are complex - we won't pretend otherwise. We plan for it.
Phased approach minimises risk: we never migrate everything at once.
Regulated industries (Fintech, Banking, Government) - we understand your compliance constraints.