Legacy .NET Modernization

Modernize what
already works.

Legacy .NET Framework, Web Forms, WCF, and SQL Server systems — we help you stabilize, modernize, and extend the applications you already depend on. Incrementally. Without the rewrite you don't need.

Assess → Stabilize → Prioritize → Modernize incrementally

Most long-lived .NET applications do not need a rewrite. They need someone who understands what already works and can make it safer, faster, and easier to change — one step at a time.

No fix, no fee| NDA-friendly| Staging-first, zero production access until approved

For CTOs, VPs of Engineering, and engineering leaders who run long-lived .NET systems they cannot afford to disrupt. New here? Explore the Journal.

.NET Framework·Web Forms·WCF·SQL Server·Azure·.NET 8–10
Services

Fixed price. Clear deliverables.
Modernize without the rewrite.

Every engagement starts with a free diagnostic call. We assess what you have, stabilize what matters, and prioritize the smallest set of changes — then tell you honestly whether we can help and exactly what it will cost.

Legacy .NET Modernization Assessment

from $2,500

1–3 weeks

Is your .NET Framework, Web Forms, or WCF system a modernization candidate? Stabilize first, then a prioritized roadmap to modernize incrementally — without the rewrite you don't need.

Learn more

Production Rescue Sprint

$4,900

5 business days

Hands-on fix of your top 3 production bottlenecks. PR with patches, instrumentation setup, and a prevention plan.

Architecture & Performance Audit

$2,500

3–5 business days

Full codebase and infrastructure review. Written report with prioritized findings, root cause analysis, and a 60-minute walkthrough.

AI Agent Guardrails Review

$3,500

3–5 business days

Agent architecture audit. Loop prevention, rate limiting, idempotency, and cost controls for teams deploying AI agents to production.

Fractional Architect

$3,500/mo

Ongoing

Monthly retainer for architecture guidance, code reviews, incident postmortems, and on-call advisory.

If we do not find the root cause, you do not pay.

Every engagement starts with a free diagnostic call. No pitch. No commitment.

How It Works
01

Book a free diagnostic call

Tell us what is broken. We tell you honestly whether we can help — and which service fits. No pitch. No commitment.

02

We review your system

Code, infrastructure, logs, metrics. We find the root cause, not the symptom. Staging environment first — zero production access until you approve.

03

Fixed-price proposal

Clear scope, clear price, clear timeline. You know exactly what you will get before we start. If we cannot help, we tell you upfront — no charge.

04

Delivery in days, not weeks

You get patches, not PowerPoint. Instrumentation, runbooks, and prevention plans included. Results you deploy immediately.

What You Get

Sleep through the night.

No more 3 AM pages. Your team stops firefighting and ships features again. You spend time with your family instead of staring at dashboards.

Fix it once. It stays fixed.

We do not patch symptoms. We find the root cause, implement the permanent fix, and give you the instrumentation to catch regressions before they reach production.

No surprises. No scope creep.

Fixed price. Clear deliverables. If we cannot find the root cause, you do not pay. Every engagement starts with a free diagnostic call — no pitch, no commitment.

Featured Investigation
Rewrite or modernize? How to decide for your legacy .NET application
FAQ

Should we rewrite our legacy .NET application?

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Usually not. Most long-lived .NET applications are worth modernizing incrementally rather than rewriting. We start with an assessment to see whether your system is a modernization candidate — and if a rewrite genuinely makes sense, we will tell you. The default is to stabilize and modernize what already works.

Can you modernize Web Forms or WCF incrementally?

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Yes. Strangler patterns, parallel runs, and safe cutovers let you peel off pieces of a Web Forms, WCF, or .NET Framework system without a big-bang migration. You get a plan that keeps the system running while risk stays low.

What if you cannot find the root cause?

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You do not pay. Our diagnostic call is free, and if we take on an engagement and cannot identify the root cause, there is no charge. We only get paid when we deliver results.

Do you need access to our production systems?

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No. We work in your staging environment first. We only request production access after you have reviewed and approved our findings — and only if it is necessary for the fix.

How fast can you start?

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Typically within 48 hours of our diagnostic call. For production emergencies (system is down, losing money), we can often start same-day.

What tech stacks do you cover?

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.NET 8–10 on Azure and Linux containers is our core. We also cover trading bots (Python/TypeScript), AI agent reliability, async diagnostics, and automated systems of any stack.

Is this only for large enterprises?

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No. We work with founders, solopreneurs, startups, scale-ups, and enterprise teams. Our pricing starts at $2,500 — designed to pay for itself in the first hour of prevented downtime.

Can you sign an NDA?

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Absolutely. We are happy to sign your NDA before we look at anything. Your code and infrastructure details stay confidential.

Ready to modernize
without the rewrite?

Book a free diagnostic call. We will assess what you have, tell you honestly whether we can help — and show you the smallest set of changes that moves your .NET system forward. No pitch. No commitment.

No fix, no fee NDA-friendly Staging-first

Fixed price. Clear deliverables. Results you deploy immediately.