Modernize Your .NET
Architecture

35+ years of combined experience developing complex applications from legacy .NET Framework to modern .NET 8/9. We architect for scale, performance, and maintainability.

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Trusted by engineering teams at
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Enterprise .NET Services

End-to-end modernization for mission-critical applications

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.NET Framework Migration

Strategic migration from .NET Framework to .NET 8/9. We preserve business logic while modernizing infrastructure, reducing technical debt by up to 70%.

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Cloud-Native Architecture

Replatform to Azure, AWS, or on-premise Kubernetes. Microservices architecture, containerization, and CI/CD pipelines designed for your scale.

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Performance Optimization

Database query optimization, caching strategies, and async programming patterns that reduce latency by 40-60% on existing codebases.

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Legacy System Rescue

Critical systems with no documentation? We specialize in understanding and refactoring brownfield applications without disrupting operations.

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Meet SwitchCraft

Our flagship configuration management platform, built from 35 years of enterprise consulting experience. The tool we wished we had on every migration project.

  • Feature flags without code deployments
  • Customer-tier management for SaaS
  • Emergency kill switches for production issues
  • Complete audit trails for compliance
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Our Product
[SwitchCraft Dashboard Preview]

Why Renfield Software?

Numbers that reflect our commitment to enterprise excellence

35+

Years of combined .NET expertise

50+

Enterprise migrations completed

99.9%

Uptime maintained during transitions

24/7

Support for critical systems

Ready to modernize?

Start with a complimentary architecture assessment. No commitment required.

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