Application inventory
A map of frameworks, dependencies, data flows, integration points, and operational constraints.
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.NET Modernization Blueprint
Move your .NET platform forward.
Turn an aging codebase into an actionable modernization plan. Understand the dependencies, migration risks, and smallest useful step before committing to a major rebuild.
Teams responsible for long-lived .NET business applications
Sound familiar?
Unsupported frameworks or dependencies are becoming a liability.
A rewrite looks expensive, but doing nothing feels risky.
You need a credible sequence and effort ranges for modernization.
What you take away
Deliverables you
can actually use.
The starting package covers one .net application and its key dependencies. We confirm the exact boundary together.
Architecture assessment
An evidence-based view of coupling, testability, deployment, and the most important upgrade blockers.
Phased migration plan
Options and tradeoffs, a target direction, and a sequence of independently useful changes.
First-slice specification
A scoped first migration slice, with acceptance criteria and effort ranges for implementation.
A practical guide
Plan a .NET upgrade around the behavior you need.
Modernizing a .NET application begins with understanding its obligations. The framework version is one part of the picture; dependencies, deployment, data, and business rules determine the practical route. You can turn that uncertainty into a sequence of reviewable steps.
How to do it yourself
Start by building an inventory. Record the target frameworks, package dependencies, application types, hosting environments, and external connections. Include scheduled jobs and installation steps that live outside the main solution. Check the current support position of the versions you actually use.
Next, identify the workflows and interfaces that must remain stable. Capture representative inputs and outputs, then add checks around the most important behavior. Include file formats, database expectations, and integration contracts. These examples become the reference for evaluating an upgrade.
Separate framework compatibility problems from architectural problems. An unsupported dependency may need replacement, while tightly coupled code may need a boundary before it can move. Investigate both, but record them as different decisions with different costs and consequences.
Choose a small migration slice and try it on a branch or isolated copy. Upgrade the relevant components, build the application, and exercise the reference scenarios. Record the unexpected work you discover. Use that evidence to revise the sequence and effort ranges for the remaining application.
Finish by setting out a phased plan with acceptance checks and a recovery approach for each release. Make dependencies and unresolved questions visible. Your first useful result can be a validated migration design and an implementable first slice, even when the full upgrade is a larger project.
How we approach the work
Our .NET and architecture expertise shapes this plan. We look at where business rules belong, how components depend on each other, and which boundaries allow incremental change. Experience around existing industrial and business applications makes continuity of behavior a central design concern.
For this blueprint, we assess the application, compare viable directions, and specify the first useful migration slice. We discuss tradeoffs with your technical owner and make the assumptions behind the plan explicit. The handover gives your team a basis for implementation and investment decisions.
The tools behind the work
We use the .NET SDK, compiler diagnostics, dependency information, and the existing development environment to investigate compatibility. xUnit and selected integration checks preserve behavioral examples. Git records experimental changes, while Docker can help reproduce a target runtime when containers fit the application.
SDD, Specs Driven Development, holds the requirements that must survive the change, the modernization specifications, and the acceptance criteria for each planned slice. Linking those items makes it easier to see which upgrade decision affects which business behavior.
Explore the tools
Ready to begin
What we need
from your team.
- Source code, build instructions, and dependency information
- An application walkthrough with a technical owner
- Known hosting, support, and business constraints
A few useful answers
Before we start.
Does this cover desktop and industrial .NET applications?
Yes. The initial scope can focus on ASP.NET, Windows services, WinForms, WPF, or .NET software around industrial systems. We agree the application boundary before starting.
How is the engagement priced?
The indicative estimate starts at €4,500, excluding VAT, for the stated package boundary. After a fit conversation, you receive a fixed quote with the exact deliverables, fee, and schedule. Work starts after acceptance; changes are quoted separately.
What happens after delivery?
You receive the working files, findings, and a handover session. Your team can take the next steps, or we can scope a follow-on engagement together.
Let’s talk about .NET Modernization Blueprint
Your next step
starts here.
Tell us what needs to change.
We’ll review your request and come back with a practical next step. No commitment required.
Prefer email? dev@roggemans.com ↗Discuss this package
A little context helps us make the conversation useful.
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