Top 10 ASP.NET Development Companies in USA

.NET is set to lead both developers and businesses into 2025 as a top choice for software development. In 2024, approximately one in four software developers employs the .NET Framework to create robust, secure, and scalable software solutions. ASP.NET stands out for enabling future-ready web applications, offering a cross-platform foundation, high speed, unified concepts, and a modern development environment.

If you want to learn how your business can harness the power of ASP.NET, then you have landed on the right page. We have thoughtfully curated a list of the top 10 ASP.NET development firms based in the United States. These ASP.NET development companies have been selected with precision after passing our strict criteria.

Partnering with any of these companies ensures your project is in capable hands, saving time and maximising ASP.NET’s potential.

Criteria We Follow While Selecting the Best ASP.NET Development Company in the USA

While selecting the best ASP.NET development company, you cannot just go with the name that pops up in front of your eyes while surfing the net. There are many aspects one needs to consider, or else your project will face issues with deployment, configuration, and development, or worse, it can fail fast.

Before you begin your search, ensure you have a clear understanding of the essential needs of your project. There are three components you should be clear about:

1. Define your goals
2. Define the scope
3. Set a budget and timeline

Now, let’s have a look at the key factors we use to evaluate the best ASP.NET companies in the USA.

• Technical Expertise

• Portfolio and Case

• Studies

• Reputation and Goodwill

• Communication and Collaboration

• Pricing Model

• Post-Deployment Support

Here is a list of our top 10 ASP.NET development companies in the USA:

(1) Prakash Software Solutions Pvt Ltd (PSSPL)

Prakash Software Solutions stands out as a leader among ASP.NET development companies in USA for its unmatched expertise, innovative solutions, and client-focused approach. With a total experience of over 25 years in the software development industry, PSSPL is constantly evolving with technology.

Their team is Microsoft-certified, and they use advanced tools like ASP.NET Core and ASP.NET MVC to create custom web, cloud, and mobile applications. Over 1,000 projects have been delivered successfully by them, which is a huge number that helps build a trust factor among clients.

(2) Code IT 365

Code IT 365 is a certified Microsoft Gold partner, which makes it stand out as the best .NET development company in the USA. Whether you want to craft a new app from scratch or improve your present one, they can make it happen.

They have a team of .NET developers skilled in the latest technology, including Azure cloud services, Microsoft SQL Server, Entity Framework, ASP.NET Core, Visual Studio, and many more.

Their collaboration approach suits businesses of all sizes, from small startups to large enterprises. Their .NET solutions are designed for various industries, including healthcare, manufacturing, BFSI, retail, transportation, and telecommunication.

(3) Zenkins

Zenkins uses ASP.NET Web Forms, ASP.NET Core, and ASP.NET MVC technology stacks to design enterprise-grade solutions tailored to the unique requirements of organisations.

Due to their expertise in the latest tech stack, they promise solutions that are secure, high-performing, well-structured, and fit perfectly into any Microsoft ecosystem. They have a team of certified .NET developers skilled in classic ASP.NET, ASP.NET, and ASP.NET Core.

Founded in 2010, Zenkins has earned a strong reputation in the industry with its proven track record of developing and delivering complex .NET projects for small and medium enterprises, large enterprises, and startups.

(4) ScienceSoft

If you want a .NET development company with a successful track record, then ScienceSoft is the best company to go with. They have 20+ years of experience in C# and .NET programming, through which they have successfully delivered 230+ large-scale projects.

They pride themselves on their team of 60+ .NET developers and their certification as Azure and AWS architects. Mid-sized or large-scale, ScienceSoft provides custom .NET development services for 30+ industries.

Their website proudly displays influential clients, including eBay, IBM, Nestlé, NASA, AnyDesk, etc. They have a 4.8 rating on Clutch and have also been awarded as one of the most reliable companies in America by Statista in 2025.

(5) Belitsoft

One of the most reliable and versatile .NET development companies on our list is Belitsoft. It is well known for its secure, high-quality, easy-to-use, cloud-native, cloud-ready, and fast solutions.

Based in the USA, Belitsoft has been delivering success for the past 20 years. Apart from this, they have a 5-star rating on Gartner Insights, and they are also a member of the Forbes Technology Council.

Belitsoft offers compelling reasons to choose them, including cost-effective solutions, fast project delivery, high-performance .NET applications, and scalable software. They are experts in Microsoft technologies; each software is built using Microsoft tools.

With an expert tech team that has extensive knowledge of code writing using C#, Visual Studio, Azure DevOps, SQL Server, and Entity Framework, Xamarin, and Power BI are other Microsoft tools that Belitsoft uses to deliver future-proof solutions.

(6) Startbit IT Solutions

Starbit IT Solutions is a USA-based .NET development company with over 17 years of experience, excelling in delivering solutions that are tailored to grow your business.

Out of the many services they provide, their expertise lies in custom .NET development, .NET enterprise solutions, .NET theme designing, .NET e-commerce solutions, .NET application migration, and .NET Core development. From conceptualization to design, it stands out for its outstanding .NET development services.

(7) Chetu

One of the most attractive features about Chetu is that they don’t charge for overtime, nor do they have any hidden fees; their QA and management services are completely free. They have been delivering software development solutions for over two decades.

They also provide remote support globally with the best IT team of .NET framework developers and engineers. Architects, consultants, and programmers.

Chetu utilises an open-source, cross-platform framework to develop high-performance applications compatible with Windows, macOS, and Linux. Their applications scale seamlessly with your business growth as they are designed to stay relevant with evolving technologies.

(8) Intellectsoft

Intellectsoft offers key services including custom software creation, enterprise software solutions, mobile application development, and web development.

With a beautiful and detailed website, they have displayed how they follow a rigorous process to build web apps: from planning to maintenance, and everything in between is stated clearly.

They can also develop e-wallet/crypto wallet apps, telemedicine, social media, custom hotel booking, fitness, mobile banking, and stock exchange apps.

They take great pride in displaying some of their most influential clients, including Jaguar, Ernst & Young, Harley-Davidson, Walt Disney, and Audi. Apart from this, they have 9 offices in 7 countries.

(9) Instinctools

Instinctools has experience of over two decades in the Microsoft development ecosystem. From concept to post-deployment support, they believe in having transparent and efficient communication. Their .NET software development services help businesses to improve overall app performance and speed.

They can process larger datasets ten times faster, which reduces the development lifecycle so that you can get more time to market your products.

They leverage .NET MAUI, Blazor Hybrid, and Xamarin to craft extraordinary UIs that help to enhance the uniqueness of your app. Company can craft a wide range of applications using .NET frameworks and libraries.

(10) Waverley

Waverley is a US-based .NET development company that excels in reengineering or developing any project from scratch. They pride themselves on having a vast talent pool, with a team consisting of 73% senior engineering staff.

They display a wide range of case studies on their website. Founded in 1992, Waverley has grown from a national to an international leader in the realm of software development.

They have served 500+ companies, including startups, with their innovative solutions. Waverley serve unique industries such as robotics, smart homes, automotive, and fintech, as well as common industries such as healthcare, telecom, e-learning, energy, etc.