.NET Framework Development
Many business-critical systems still run on .NET Framework 4.x. We build new modules for ASP.NET Web Forms and MVC applications, fix and extend legacy code, and keep these systems patched, documented and stable, so they keep serving the business while you decide if and when to modernise.
<0h
critical-fix response
0%
of changes code-reviewed
0
forced rewrites
- Our core system is Web Forms and the developer who built it has left.
- We need new features now, but a rewrite isn't on the table this year.
- Every change to the old code breaks something nobody expected.
There's a better way. Here's how we fix it.
IIS 10
hosting
SQL Server
2019
SSRS
12 reports
Every change reviewed, tested on staging, then deployed with a rollback script.
Illustrative example with sample data.
- 01ASP.NET Web Forms & MVC 5 development
- 02New modules on existing .NET Framework 4.x apps
- 03WCF, ASMX and Windows Service maintenance
- 04IIS hosting, SQL Server, SSRS & Crystal Reports
- 05Security patching and dependency updates
- 06Documentation of undocumented legacy code
Technology
- C#Microsoft & .NET
- SQL ServerMicrosoft & .NET
- AzureMicrosoft & .NET
- GitHub ActionsCloud & DevOps
- 1
Code walkthrough
Week 1
We read the solution, map dependencies and note the fragile areas.
You receiveCodebase health report - 2
Safety net
Week 2
Source control, a staging copy and smoke tests before anything changes.
You receiveTested feature releases - 3
Feature releases
Ongoing
New modules and fixes shipped on a predictable cadence.
You receiveDeployment & rollback scripts - 4
Document & advise
Quarterly
Written system docs and a costed view of when modernisation pays off.
You receiveSystem documentation
Have a different question?
Ask an expertYes. When a system works and the business depends on it, extending it on .NET Framework 4.8 is often the right call. We write the new code so it can move to modern .NET later.
Yes. We start with a walkthrough of the codebase and the database, write up what we find, and only then start changing things.
.NET Framework 4.8 is still supported by Microsoft with security updates. We keep Windows, IIS, SQL Server and NuGet packages patched alongside your code.
ASP.NET Core Development
Scalable web applications and backends on ASP.NET Core.
Custom Software Development
Business applications, ERP, CRM and management systems built for you.
Web API Development
RESTful APIs, third-party integrations and secure backend services.
Full-Stack .NET Development
One team for the C# backend and the Angular, React or Blazor front end.
Legacy Application Modernization
Upgrade older .NET Framework applications to modern .NET.
Cloud & Azure Development
Azure services, serverless applications and DevOps for .NET.
Microservices Development
Scalable, distributed .NET services that grow independently.
Application Maintenance & Support
Bug fixing, performance tuning, upgrades and ongoing support.
Enterprise Application Development
Platforms for healthcare, fintech and business automation.
Dedicated .NET Developers
Experienced .NET developers and full-stack teams for your projects.
Website & Web App Development
Fast, beautiful, conversion-focused web experiences.
Mobile App Development
Native-quality apps for iOS and Android.
SaaS Product Development
Multi-tenant platforms built to scale.
E-commerce Development
Commerce that sells and syncs.
Tell us about your challenge. A solutions architect will reply within one business day with ideas, not a sales pitch.