Elevate your business through our full range of Microsoft .NET application development services including custom web, mobile, and windows-based applications, as well as legacy application upgrades, ERPs, APIs, .NET migration, and more.
Microsoft Solutions Partner Since 2010
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Custom application development is a centerpiece of who we are at Marathon Consulting. Our technology-agnostic approach ensures that we recommend and provide application development services in the technologies best suited to meet our clients' needs while aligning with their goals, capabilities, and constraints.
What Can We Help You With?
Web Application Development
We specialize in custom web app development and helping businesses tackle complex challenges with scalable, secure solutions. From customer portals to inventory management systems to business automation and more, we can help.
Mobile App Development
We develop robust, enterprise-level mobile applications for iOS, Android, and cross-platform apps with tools such as Xamarin, .NET Maui and React Native for a single code-base.
Cloud Applications
We offer innovative cloud-native app development solutions using microservices and containerization, help clients stay competitive in a rapidly changing digital landscape.
Desktop Applications
Our software engineers specialize in building and supporting Windows-based desktop applications on the .NET platform, including Windows Forms, WPF, and WinUI, using C# to deliver powerful solutions that drive business success.
Modernization
Whether built in Delphi, Visual Basic, MS Access, Excel, or other technologies, we can modernize legacy applications for enhanced security, performance, flexibility, and long-term support.
App Migration
We are experts in modernizing legacy systems and migrating outdated applications to newer infrastructures, such as converting VB6 and FoxPro to .NET. We help clients streamline workflows, cut costs, and gain the scalability needed to stay competitive.
Success Stories
Our team of talented, certified developers have delivered hundreds of successful projects for clients including legacy app modernization, .NET app migration, and many custom designed applications tailored to each clients unique business needs.
Best-In-Class Technologies
We leverage best-in-class technologies, tools, and frameworks to build custom application solutions that fit best with our clients technology requirements and business goals.
Don't see your preferred technology? We work with many more, we just can't list them all here.
Talk to us about how we can help you.
What Our Clients Are Saying
“The team at Marathon has been one of the best vendor relationships I get to experience regularly. Everyone involved in our projects has been professional, responsive, and created amazing work! I could not be more pleased with the consultants involved in our projects and the results they have given us.”
