Migrate from .NET Framework to .NET Core

Optimize Costs and Speed Up Releases With .NET Core

With Corsac, .NET Framework to .NET Core modernization is a secure, phased process that includes compliance and business goals alignment verification at each stage.
We enable the lowering of upkeep costs and performance improvements to get long-lasting business outcomes.

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17 +

years of experience

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Our experts are ready to assess your legacy software. Write to us today!

Migrate from .NET Framework to .NET Core

Optimize Costs and Speed Up Releases With .NET Core

With Corsac, .NET Framework to .NET Core modernization is a secure, phased process that includes compliance and business goals alignment verification at each stage.

We enable the lowering of upkeep costs and performance improvements to get long-lasting business outcomes.

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Talk to modernization experts with real industry experience

Certifications and regulations we’re compliant with

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Timing Matters

Top Reasons to Migrate from .NET Framework to .NET Core

Maintaining a Framework-based system becomes too expensive due to tech debt and a lack of feature updates.

Because of reliance on Windows, outdated systems make scaling costly and challenging.

The usage of legacy APIs and libraries leads to security vulnerabilities and compatibility issues.

New features are delivered slowly, risks of system outages increase every time.

Adoption of modern technologies and approaches (DevOps, CI/CD, automated testing, microservices, cloud integrations) is almost impossible.

Real-World Cases: .NET Framework to .NET Core Migration Success Stories

Backed by 17 years of experience in legacy modernization, we help companies migrate from .Net Framework to .Net Core to transform both code and business logic inefficiencies. We’re proud to be a part of 100+ clients' success stories. 

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Transformation for GIS Platform

Continually shifting priorities, inaccurate estimates, and inexcusably slow releases held the entire team back. We entirely reinvented workflows: created a clear backlog, visualized progress in Kanban, and automated ...

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Re-engineering GNSS Monitoring Application

A 6-year-old WPF/C++ GNSS monitoring app was fully rewritten into a modern Kotlin Multiplatform with Compose UI solution, achieving faster updates, higher stability, and cross-platform growth opportunities.

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Moving from Native to Multiplatform Solution

Through structured migration to Kotlin Multiplatform, we unified development for both platforms, eliminating inefficiencies and achieving faster delivery, stable releases, consistent performance, and higher product quality.

the problem we solve

How Migrating from .NET Framework to .NET Core Enhances Digital Transformation

We help migrate to .NET Core to build modular and cloud-empowered architectures with faster release cycles and measurable ROI.

From Business Perspective

● Lower upkeep and licensing costs thanks to removed legacy dependencies.● Flexibility to deploy across platforms, clouds, and containers.● New features will be delivered faster, you’ll get a chance to stay ahead in the market race.● With minimized risks and a phased approach, your critical business processes will still run smoothly.
● Adherence to regulatory standards is enhanced and verified via transparent and fully trackable delivery.

From Technical Perspective

● Rigid monolithic architecture will be decoupled into separate scalable modules. ● You’ll break free from upgrade blockers by replacing old APIs
with up-to-date .NET Core equivalents.
● Implementation of CI/CD pipelines, DevOps automation, and IaC.● Security, system stability, and overall performance will be optimized.● You’ll get perfect connectivity with modern cloud platforms like Azure, AWS, and GCP.● The scaling process will be more secure thanks to continuous monitoring and rollback features.

Upgrade Your Legacy .NET System Today

Migrate from .NET Framework to .NET Core for better performance, security, and scalability — with zero disruption to your business processes.

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.NET Core Migration Services That Modernize Legacy Applications and Boost Performance

Corsac converts .NET framework to .NET Core with an intelligent, client-centric approach. We set clear modernization priorities, providing critical changes first and preserving proven functionality that you had invested in previously. Our approach is stress-free thanks to full transparency. Get valuable outcomes without rush and downtimes.

Legacy Application Assessment & Modernization Strategy

Root-cause pre-migration audit is at the core of our modernization process. We assess your .NET Framework application to detect tech debt and dependencies, as well as outline realistic growth opportunities.
Then we build a detailed plan to ensure an optimized and continuous workflow.

Code Refactoring and Optimization

This service includes modernization of aging libraries, enhancement of asynchronous execution, and seamless deployment in cross-platform environments. Our main purpose is to ensure code modularity alongside great maintainability, faster operations, and lower resource consumption. 

API and Microservices Migration

From rigid monolithic APIs to modular ASP.NET Core microservices, Corsac helps you conduct a seamless shift to better scalability and availability.
Developing RESTful and gRPC APIs with built-in secure OAuth and JWT authentification, we speed up release cycles and ensure great system resilience even under high loads.

Database Migration and Performance Tuning

To modernize your database, we leverage EF Core, restructure indexes, and optimize queries. Transforming your data layer-by-layer, we minimize downtime and safeguard system consistency and long-term flexibility.

Cloud Integration and Deployment

We enable seamless adoption of multi-cloud strategies with automated provisioning and containerization. Via CI/CD pipelines for AWS, Azure, and GCP, we help spend development budgets smarter and make releases predictable and controlled.

Post-Migration Support and Maintenance

Even post-launch, we provide continuous expert support. Our team keeps the performance of your updated .NET Core system under keen control and delivers codebase enhancement if needed.
We deliver well-structured documentation and training to transfer knowledge and valuable insights.

4 Steps to Accelerate Digital Transformation with .NET Core Migration

Step 1. Assess and Plan Your Migration Roadmap

Thanks to the in-depth analysis of your legacy app, we easily detect tech debt, performance bottlenecks, and potential system threats. Considering the outcomes, Corsac creates a clear modernization roadmap. All the priorities, budget, and KPIs are strictly aligned with your business goals.

Step 2. Modernize Architecture and Refactor Code

We set apart tightly coupled monolithic components, remove obsolete dependencies, renew libraries, and build scalable and highly-performing architecture. Our experts take care of the implementation of CI/CD automation and cloud scalability.

Step 3. Migrate, Integrate and Optimize

● Careful control of system stability● Modernization safety via continuous validation and reliable rollback functionality● Better performance and higher scalability are achieved with the transition from ADO.NET and EF6 to EF Core● APIs and other external systems integration● Asynchronous approach and optimized caching to increase system speed Containerization (Docker/Kubernetes) and CI/CD pipelines ensure zero-downtime releases● Seamless deploy in any environment (Windows, Linux, cloud)● Total transparency backed by measurable KPIs and regular reports

Step 4. Test, Deploy, and Continuously Improve

We enable faster deployments and strict GDPR/HIPPA compliance via a combination of manual and automated testing. Be sure to get our ongoing support even after launch. We’ll monitor performance carefully and deliver fixes or enhancements if necessary.

Transform outdated systems into future-ready solutions

Modernize your legacy software to boost performance, security, and scalability

What Makes Corsac a Trusted Partner in .NET Core Migration

Modernization is our core specialization

We aren’t a full-stack agency. We’ve built our team, processes, and tech strategy specifically to tackle legacy issues and help mid-market players scale and innovate.

Integration vs. Disruption

We integrate with your workflows, minimizing interference with your developers. While utilizing your Git, CI/CD, and tools, we operate independently, letting your team focus on their work.

Identification of hidden expenditures

Your aging system drains your business resources through slow hiring, security gaps, and delayed launches. We reduce these “dark tech debt” losses before they impact your revenue.

Respect for Existing Architecture and Leadership

We treat your system efficiently: evolve the functioning parts and replace only the ones that require change.

Fighting Tech Stagnation

Modernization efforts will be ineffective if the core issue is institutional rigidity. We reveal hidden limits and help grow with flexibility.

AI & Emerging Tech EnablementAI 

We remove legacy barriers preparing your systems for advanced tech. You can embrace new tools with the future-ready and ROI-driven architecture.

    • Corsac’s Experts

    • Most Outsourcing Vendors

    • Corsac’s Experts

    • Corsac’s Experts

    • Most Outsourcing Vendors

    • Most Outsourcing Vendors

    • ☑ Professional Tech Stagnation BreakersWe focus on modernization for companies unable to grow due to aging systems.

    • ☒ Focus on Delivery vs. Your Business GoalsThey fulfill your task without seeking to address the issue at the root.

    • Corsac’s Experts

    • ☑ Professional Tech Stagnation BreakersWe focus on modernization for companies unable to grow due to aging systems.

    • Most Outsourcing Vendors

    • ☒ Focus on Delivery vs. Your Business GoalsThey fulfill your task without seeking to address the issue at the root.

    • ☑ Architecture and LeadershipWe replace only what must be changed, protecting your investment and CTO’s credibility.

    • ☒ Lack Domain ExpertiseDispersing the focus, they fail to meet specific Healthcare G and other industry requirements.

    • Corsac’s Experts

    • ☑ Architecture and LeadershipWe replace only what must be changed, protecting your investment and CTO’s credibility.

    • Most Outsourcing Vendors

    • ☒ Lack Domain ExpertiseDispersing the focus, they fail to meet specific Healthcare G and other industry requirements.

    • ☑ Compliance From Commit to ProductionHIPAA, HL7/FHIR, SOC2, GDPR, ISO compliance is integrated into every stage.

    • ☒ Apply a Standardized Modernization ApproachGeneralized practices, regardless of the product, team, or business specifics.

    • Corsac’s Experts

    • ☑ Compliance From Commit to ProductionHIPAA, HL7/FHIR, SOC2, GDPR, ISO compliance is integrated into every stage.

    • Most Outsourcing Vendors

    • ☒ Apply a Standardized Modernization ApproachGeneralized practices, regardless of the product, team, or business specifics.

    • ☑ Integration over DisruptionIntegrating into your Git, CI/CD, and workflow tools, we make modernization visible, testable, and traceable.

    • ☒ Disregard Your Legacy OpportunitiesInitiate full rewrites instead of using the working parts and considering business context.

    • Corsac’s Experts

    • ☑ Integration over DisruptionIntegrating into your Git, CI/CD, and workflow tools, we make modernization visible, testable, and traceable.

    • Most Outsourcing Vendors

    • ☒ Disregard Your Legacy OpportunitiesInitiate full rewrites instead of using the working parts and considering business context.

    • ☑ Getting Rid of “Dark Tech Debt”We uncover hidden costs, feature delays, and security gaps and offer ways of their removal.

    • ☒ Lack integration with your teamInsufficient collaboration leads to poor handover, with documentation debt and weak enablement.

    • Corsac’s Experts

    • ☑ Getting Rid of “Dark Tech Debt”We uncover hidden costs, feature delays, and security gaps and offer ways of their removal.

    • Most Outsourcing Vendors

    • ☒ Lack integration with your teamInsufficient collaboration leads to poor handover, with documentation debt and weak enablement.

    • ☑ Modernization that Fuels LeadershipBy providing CEOs stakeholder-ready roadmaps and progress metrics, we enable well-grounded transformation.

    • ☒ Code-First MindsetDevelopment happens in isolation, prioritizing code delivery over actual business value.

    • Corsac’s Experts

    • ☑ Modernization that Fuels LeadershipBy providing CEOs stakeholder-ready roadmaps and progress metrics, we enable well-grounded transformation.

    • Most Outsourcing Vendors

    • ☒ Code-First MindsetDevelopment happens in isolation, prioritizing code delivery over actual business value.

Industries We Work In

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Healthcare

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AEC and GIS

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Finance

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Charity

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Media

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Cyber Security

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Sport

FAQ

  • Among the main reasons to migrate to .NET Core are modern modular architecture that enables seamless maintenance and scalability; the ability to speed up time-to-market thanks to faster release cycles; long-term flexibility to choose tech stack; perfect integration with modern APIs and external systems; and lower costs for maintenance and upgrades.

  • Sure. In contrast to .NET Framework, which is limited by Windows-only performance, .NET Core provides the opportunity to run natively in different environments, such as Windows, Linux, macOS, and the cloud. Once migrated, your system will be fully compatible, so you can reduce duplications and complexity, as well as provide an excellent user experience everywhere.

  • One of the key reasons to migrate .NET Framework to .NET Core, is the ability to deliver new features faster and with minimized risks, regardless of environment. That’s why adoption of CI/CD pipelines is an inevitable part of modernization. We take care of the entire process, so containerization (Docker/Kubernetes) and automated provisioning are included as well.  

  • Yes. When you migrate to .NET Core you’ll get the opportunity to operate cloud-based and break free from Windows licensing dependencies. Moreover, modular architecture upkeep is significantly simpler and cheaper, so you can optimize your operational budget.

  • Absolutely. We do not just convert .NET Framework to .NET Core; we offer ongoing support even after migration. We monitor system performance regularly to provide necessary fixes and improvements. Also, your team will get well-structured documentation and expert training to manage the system independently and confidently.

Contacts

Contact Us Now for Seamless Software Modernization.

Ready to experience the Corsac Technologies difference?

Don’t let outdated systems slow your business down – connect with us today and let our experts transform your legacy software into modern, high-performing solutions. Schedule a consultation with our specialists now!

Modernization Experts
+1 416 505 4524moc.hcetcasroc%40ofni

Where to Find Us
Canada HQ: 16 Yellow Birchway, North York, ON, Canada M2H 2T3
U.S. Correspondence Address:
30 N Gould St #11138, Sheridan, WY, USA 82801

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