XAMARIN & .NET MAUI MIGRATION SERVICES
Work with .NET MAUI experts trusted by the world's top tech teams.
Xamarin has officially reached End-of-Life (May 2024). Work with vetted nearshore C# experts specializing in migrating legacy Xamarin.Forms applications to modern .NET 8 MAUI, ensuring your mobile infrastructure remains secure, performant, and supported by Microsoft.
AI CODING TOOLS WE USE
Get expert help for your
Xamarin & .NET MAUI project.
ENDORSED BY ENGINEERS. TRUSTED BY CTOS.
CUSTOM .NET MOBILE SERVICES
Advanced Cross-Platform C# Engineering
We modernize legacy Microsoft mobile stacks. Whether you need an emergency migration away from End-of-Life Xamarin, or you're building a massive new enterprise application from scratch in .NET MAUI.
We eliminate technical debt. We execute phased, secure migrations from deprecated Xamarin.Forms to modern .NET MAUI, upgrading your codebase to .NET 8+, updating custom renderers to Handlers, and ensuring ongoing Microsoft support.
We untangle spaghetti code. We enforce strict Model-View-ViewModel (MVVM) patterns utilizing frameworks like Prism or the CommunityToolkit, cleanly decoupling your XAML UI from your complex C# business logic.
We build apps that work without Wi-Fi. We engineer robust local databases using SQLite and Entity Framework Core, implementing complex background synchronization queues to seamlessly push data to the cloud when connections are restored.
We don't get trapped by cross-platform limitations. When a specific hardware feature requires it, our C# engineers write custom native bindings to directly access low-level Swift (iOS) and Kotlin (Android) SDKs.
We maximize your code sharing. We leverage .NET MAUI's true cross-platform capabilities to compile your mobile application natively for Windows (WinUI 3) and macOS (Mac Catalyst) without rewriting the core logic.
We modernize your deployment pipelines. With Visual Studio App Center being retired, we migrate your automated builds, tests, and App Store distributions to robust modern pipelines like GitHub Actions or Azure DevOps.
We fix slow loading times and UI stuttering. We utilize the .NET Profiler to detect memory leaks, heavily optimize XAML binding contexts, and implement Ahead-of-Time (AOT) compilation to dramatically speed up app launches.
We abandon generic UI templates. We engineer pixel-perfect, highly responsive interfaces using pure XAML, utilizing complex ControlTemplates and DataTriggers to match your exact design system across all devices.
Their engineers perform at very high standards. We've had a strong relationship for almost 3 years.”
The best partnerships are the ones you don't have to worry about. We deliver the kind of technical execution and reliability that builds long-term trust. It's why clients consistently praise our work quality and performance.
OUR .NET MOBILE ENGINEERING TEAM
Why tech leaders choose our C# Architects:
We provide seasoned .NET developers who understand the deep internal differences between Mono, .NET Core, and the modern unified .NET 8 runtime.
Xamarin & .NET MAUI CASE STUDIES
Numbers of Xamarin & .NET MAUI projects delivered.
Our clients rely on us for Xamarin & .NET MAUI software that satisfies strict performance, security, and compliance targets. From high-volume payment gateways to HIPAA-aligned healthcare services, our Xamarin & .NET MAUI applications stay in production years after launch.
Xamarin to .NET MAUI Migration
Offline-First Data Synchronization
Strict MVVM Refactoring
Looking for a team with this kind of
track record?
Tell us more about your Xamarin & .NET MAUI needs.
AI EXPERTS
Work with AI-augmented Xamarin & .NET MAUI developers.
Every developer we provide uses modern AI coding tools to ship faster than ever while producing cleaner, more consistent code.
TOOLS FOR .NET MOBILE DEVELOPMENT
The ecosystem we use for C# mobile engineering:
We utilize the modern unified .NET 8 ecosystem to deliver highly performant, type-safe mobile applications that share maximum logic across iOS, Android, and Desktop.
We build upon the latest, unified Microsoft runtimes, migrating away from the deprecated Mono ecosystem.
We enforce strict separation of concerns, decoupling UI from business logic to ensure testability.
We build robust offline-first experiences using modern C# Object-Relational Mappers (ORMs).
We craft complex, pixel-perfect interfaces using extensible XML-based markup.
We utilize MAUI Essentials to easily access device hardware, falling back to custom bindings when needed.
We write rigorous C# test suites to guarantee that shared business logic never breaks.
We automate the pain of compiling and signing massive binaries for Apple and Google.
We compile true native binaries for every major operating system from a single codebase.
We build upon the latest, unified Microsoft runtimes, migrating away from the deprecated Mono ecosystem.
CLIENT TESTIMONIALS
Get Xamarin & .NET MAUI results you can stand behind.
Our work holds up in reviews, in production, and in front of the board.
Digital Commerce
Developed BitForge's Modern Digital Commerce Platform
"Finding engineers who could quickly understand our product vision and execute at a high level was our biggest challenge. Agency consistently provided outstanding developers who became trusted contributors, helping us build BitForge into a reliable and scalable digital marketplace."
Digital Commerce
Developed BitForge's Modern Digital Commerce Platform
BitForge was created to provide a secure digital marketplace for buying and selling software products, digital assets, and downloadable content. Our engineers developed a scalable full-stack platform featuring secure authentication, role-based access control, payment processing, cloud storage integration, and an optimized user experience that supports reliable transactions and future platform growth.
HEALTHCARE
Healthcare & MedTech
"What stands out most about Agency is the quality of its people. They consistently provide talented, experienced developers who quickly become trusted members of our team, helping us deliver reliable software on time and at a high standard."
Networking
Developed new Communication Platform
"Agency helped us transform an ambitious idea into a successful product. Their ability to rapidly source experienced developers and seamlessly integrate them into our team allowed us to accelerate development without compromising on quality."
Networking
Developed new Communication Platform
A growing business needed a modern communication platform to connect teams and customers more efficiently. Our engineers designed scalable backend services, built real-time messaging capabilities, integrated secure APIs, and optimized the user experience to support rapid growth, high availability, and seamless collaboration.
Platform as a Service(Paas)
Scaled and Maintained Deployra's AWS Infrastructure
"Agency has been an outstanding technology partner throughout our growth. Their engineers consistently delivered high-quality solutions, adapted quickly to evolving requirements, and helped us build a reliable deployment platform we're confident will scale with our business for years to come."
Join 50+ companies who count on our Xamarin & .NET MAUI developers
FLEXIBLE ENGAGEMENT MODELS
Need extra Xamarin & .NET MAUI expertise?
Plug us in where you need us most.
We customize every engagement to fit your workflow, priorities, and delivery needs.
STAFF AUGMENTATION
Extend Your Engineering Team with Senior Talent
Quickly scale your development capacity with experienced software engineers who integrate seamlessly into your existing team. They work within your processes, collaborate in your daily ceremonies, and deliver production-ready code from day one.
DEDICATED TEAMS
Need a dedicated team to deliver products faster?
Build a cross-functional engineering team tailored to your product goals. We assemble developers, designers, QA engineers, and project managers who take ownership of delivery, collaborate closely with your stakeholders, and drive projects from planning through production.
SOFTWARE OUTSOURCING
Need an experienced team to own your entire project?
Entrust your complete software development lifecycle to our experienced engineering teams. From discovery and architecture to development, testing, deployment, and ongoing support, we take full ownership while keeping you informed through every milestone.
Extend Your Engineering Team with Senior Talent
STAFF AUGMENTATION
Quickly scale your development capacity with experienced software engineers who integrate seamlessly into your existing team. They work within your processes, collaborate in your daily ceremonies, and deliver production-ready code from day one.
Need a dedicated team to deliver products faster?
DEDICATED TEAMS
Build a cross-functional engineering team tailored to your product goals. We assemble developers, designers, QA engineers, and project managers who take ownership of delivery, collaborate closely with your stakeholders, and drive projects from planning through production.
Need an experienced team to own your entire project?
SOFTWARE OUTSOURCING
Entrust your complete software development lifecycle to our experienced engineering teams. From discovery and architecture to development, testing, deployment, and ongoing support, we take full ownership while keeping you informed through every milestone.
Kick off Xamarin & .NET MAUI projects in 2 - 4 weeks.
We have reps
across the US.
Speak with a client engagement specialist near you.
Discuss solutions and decide team structure.
Tell us more about your needs. We'll discuss the best-fit solutions and team structure based on your success metrics, timeline, budget, and required skill sets.
Onboard your team and get to work.
With project specifications finalized, we select your team. We're able to onboard developers and assemble dedicated teams in 2-4 weeks after signature.
We track performance on an ongoing basis.
We continually monitor our teams' work to make sure they're meeting your quantity and quality of work standards at all times.
Xamarin & .NET MAUI FAQ
What tech leaders ask about Xamarin & .NET MAUI before pulling us in:
Yes, Microsoft officially ended all support for Xamarin (including Xamarin.Forms, Xamarin.iOS, and Xamarin.Android) on May 1, 2024. If your enterprise application is still running on Xamarin, it will no longer receive security updates, and it will eventually be rejected by the Apple App Store and Google Play Store when they mandate newer SDK versions. You must migrate to .NET MAUI.
.NET Multi-platform App UI (.NET MAUI) is the direct, official successor to Xamarin.Forms. It unifies the development experience, allowing developers to write a single C# codebase and deploy it natively to iOS, Android, Windows (WinUI), and macOS (Mac Catalyst) from a single project structure, rather than juggling multiple platform-specific projects.
It depends on the complexity of your application and your reliance on third-party plugins. Standard UI and business logic (MVVM) often migrate easily. However, if your Xamarin app utilizes highly custom Renderers or deprecated third-party libraries, our engineers will need to manually rewrite them into MAUI's new 'Handler' architecture. We conduct full audits to provide an exact migration roadmap.
Model-View-ViewModel (MVVM) is the industry-standard architecture for XAML-based applications. It forces developers to separate the visual UI (XAML) from the business logic (C#). By avoiding 'Code-Behind' (putting logic directly in UI files), MVVM ensures your application remains highly scalable, readable, and perfectly unit-testable.
For field-service or enterprise apps that operate without Wi-Fi, we engineer robust local storage using SQLite or Entity Framework Core. When the user takes an action, it is saved locally immediately. We then build background synchronization queues that securely push the data to your cloud REST APIs the moment an LTE or Wi-Fi connection is restored.
Microsoft is retiring Visual Studio App Center (a common CI/CD tool for Xamarin apps) in March 2025. We migrate our clients' automated build pipelines, test suites, and store distribution workflows over to modern, supported infrastructure like GitHub Actions or Azure DevOps, ensuring zero interruption in your release cycle.
Yes. Unlike Xamarin.Forms, which was strictly for mobile, .NET MAUI is truly cross-platform. It utilizes WinUI 3 for Windows and Mac Catalyst for macOS. This means you can take your exact mobile application and compile it into a fully native desktop application, sharing over 90% of the C# codebase.
If your enterprise already relies heavily on the Microsoft ecosystem (Azure, ASP.NET Core backends, SQL Server), .NET MAUI is the logical choice. It allows you to utilize the exact same C# developers, the same NuGet packages, and the same data models across your backend servers and your mobile applications, drastically reducing development friction.
