Collaborate with top .NET development companies in the United States to modernize, streamline, and scale your systems through custom .NET development.

We Compiled the Best USA .Net Development Companies for You

2 Companies - Rankings updated: September 03, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

United States × .Net Development × NFT × Under $1,000 × Clear Filters
  • Unleash Your Digital Potential with Crocoapps!

    Crocoapps: A Decade of Excellence in Game and App Development. From React Native to Unity 3D, we deliver turnkey solutions for your digital ventures. Our mission is to create cutting-edge products and lead the global IT market. With a focus on quality, transparency, and continuous growth, we provide...

    Top Services:

    • Mobile App Development
    • VR/AR
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    100 Projects Listed

    Crocoapps Services

    • Mobile App Development
    • VR/AR
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • FitLife Fitness
    • EcoTech Innovations
    • Adventura Travel Co
    • Gourmet Delights
    • TechSavvy Solutions
    • HealthTrack Solutions
    • PetPals Connect
    • GreenScape Landscaping
    • ScribbleArt Studios
    • HomeHub Realty
    Data sourced from the agency's DesignRush profile

    Crocoapps Reviews & Testimonials

    • Valentine Robert
      Valentine Robert Director at Schoolwork
      5.0

      Mobile App Development Review from Valentine Robert

      СrocoApps developed a mobile app for a children's education institute. The app that CrocoApps developed was downloaded more than 100,000 times with an average rating of 4.7 out of 5. The team was highly responsive, and internal stakeholders were particularly impressed with the service provider's creative prowess.

    • Gadiel Tessier
      Gadiel Tessier Owner at I.D. Jewelry
      5.0

      Web Development Review from Gadiel Tessier

      CrocoApps developed and optimized a website and mobile app for a custom jewelry retailer. More than 5,000 customers have downloaded the app, much to the client's delight. CrocoApps was highly receptive to questions and concerns, and internal stakeholders were particularly impressed with the service provider's vast technical experience and attention to detail.

    • Alonso Frotiatto
      Alonso Frotiatto CEO at Artoapps
      5.0

      Mobile App Development Review from Alonso Frotiatto

      My experience with CrocoApps has been truly fantastic. They have demonstrated a remarkable level of expertise and professionalism throughout our collaboration. From the initial consultation to the final product delivery, I felt like I was in capable hands. The team at CrocoApps went above and beyond to bring my Android game project to life. What stood out the most about CrocoApps was their unwavering commitment to quality and innovation. They took my vision for the game and transformed it into a captivating reality. The attention to detail, from graphics to gameplay mechanics, was exceptional. Moreover, their open and transparent communication made it easy to provide feedback and stay updated on the project's progress. This level of dedication and expertise is truly commendable. In summary, my experience with CrocoApps was outstanding, and I couldn't be happier with the Android game they developed. Their professionalism, creativity, and commitment to delivering a top-notch product make them an excellent choice for anyone seeking app development services.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Certified Microsoft Partner

    DesireInfoWeb is a Microsoft-focused consulting and technology services company that helps organizations improve productivity, collaboration, and digital transformation through AI and Microsoft 365 solutions...

    Top Services:

    • Web Development
    • eCommerce Development
    • SEO
    • Digital Marketing
    • Social Media Marketing
    • Show more
    Location
    Elgin, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000

    Desire InfoWeb Pvt. Ltd Services

    • Web Development
    • eCommerce Development
    • SEO
    • Digital Marketing
    • Social Media Marketing
    • Software Development
    • Mobile App Development
    • IT Services
    • Cloud Consulting
    • Digital Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • eCommerce Industry
    • Health Care Industry
    • AI Industry
    Data sourced from the agency's DesignRush profile

    Desire InfoWeb Pvt. Ltd Reviews & Testimonials

    • Swayam Patel
      Swayam Patel Review from Google
      5.0

      Swayam Patel's Review Sourced from Google

      I have been working at Desire Infoweb for over a year as a SharePoint Developer, and it has been a great experience. The company offers flexible working hours, a supportive team, and a healthy work-life balance. There are excellent learning opportunities in SharePoint and Microsoft 365 development, and colleagues are always willing to guide and teach. A great place for professional growth and skill development.

    • Rahul Ghoghari
      Rahul Ghoghari Review from Google
      5.0

      Rahul Ghoghari's Review Sourced from Google

      I’ve been working at Desire Infoweb Private Limited for almost 2 years, and it has been a great experience. The company offers excellent opportunities to work on modern Microsoft technologies like SharePoint, Power Apps, Power BI, AI, Azure, and Dynamics 365. The work culture is supportive, the team is collaborative, and management is approachable. I’m continuously growing both technically and professionally here. A great place for learning and career growth.

    • RAJ PATEL
      RAJ PATEL Review from Google
      5.0

      RAJ PATEL's Review Sourced from Google

      Excellent experience working with Desire Infoweb. The team is highly skilled, responsive, and committed to delivering quality IT solutions on time. The CEO is extremely helpful and friendly, which adds great value to the overall collaboration.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

Frequently Asked Questions

What services does a .NET development company in the United States provide?

A .NET development company in the United States provides full-cycle custom software, website, mobile app, and cloud development using the .NET framework and ecosystem. Specifically, they offer the following: 

  • Software audit: Analyzing the software performance, identifying issues, and creating strategies for improvements 
  • .NET modernization: Updating the solution’s codebase, infrastructure, UI/UX design, and other functionalities to the latest standards and technologies 
  • .NET migration: Securely transferring documents and data to a .NET software while minimizing disruption to core business processes 
  • Cross-platform development: Crafting applications that can seamlessly function on iOS, Android, Windows, and Linux devices using a single base code 
  • Custom APIs: Unifying systems by integrating .NET software with other apps and solutions 
  • Enterprise solution development: Producing custom customer relationship management (CRM), finance, and inventory systems based on .NET and Windows apps 
  • .NET consulting: Providing expert advice on optimizing the use of the .NET ecosystem and enhancing current technologies 
  • Maintenance and support: Continuously monitoring performance, resolving issues, and updating .NET applications to ensure they remain fully functional 

How much does it cost to develop a .NET solution in the United States?

On average, a .NET solution in the United States costs between $20,000 and $100,000. The final price will depend on the software type, core features and functions, project timeline, compliance requirements, and team expertise.  

Here’s an estimation of .NET project costs: 

  • Websites: $10,000-$200,000 
  • Desktop software: $20,000-$150,000 
  • Mobile apps: $20,000-$150,000 
  • Enterprise solutions: $50,000-$1,000,000 
  • Game development: $10,000-$1,000,000 
  • eCommerce apps: $10,000-$200,000 

How long does a .NET development company in the United States take to complete a project?

Typically, a .NET development company in the United States takes about 2 to 6 months to complete a project. However, the timeline will ultimately depend on project scope and complexity, development methodology (agile, waterfall, and scrum), and team size. 

Below is a timeline breakdown: 

  • Research, discovery, and design: 2-4 weeks 
  • Development: 4-12 weeks 
  • Testing: 2-6 weeks 
  • Launch: 1-2 weeks 

How do I choose the right USA .NET development company?

To choose the right USA .NET development company for your business, consider the following steps: 

Outline project goals, timeline, budget, target users, and technical requirements 

  1. Examine the agency’s service range and technical proficiency, especially in related technologies like ASP.NET, MVC, and Web API 
  2. Identify if the agency has case studies and portfolios on projects similar to yours 
  3. Read the agency’s positive and negative client reviews to assess its customer service strengths and weaknesses 
  4. Seek out awards, recognitions, and certifications 
  5. Send a request for proposal (RFP) to your top 5-8 candidates 
  6. Schedule an introductory meeting and inquire about security measurements, IP rights, and development approach 
  7. Select a US .NET development company that aligns with your budget, project requirements, and company culture 

Struggling to find a US .NET company? Visit our Marketplace and send your project requirements. We will match you with companies that best meet your criteria — at no cost! 

How do USA .NET development companies ensure quality results?

USA .NET development companies ensure quality results by implementing a comprehensive quality assurance (QA) strategy customized to your specific business objectives. The strategy typically includes a series of tests to verify the software’s end-to-end functionality, usability, security, interoperability, and durability. It also helps ensure that the final product aligns with your business requirements and meets industry standards. 

Here are some of the QA tests that US .NET development companies employ: 

  • Unit testing: Examines the software’s individual components, including module behavior, code-level functions, and error handling 
  • User acceptance testing: Simulates real-world usage, such as user interaction and how well the app integrates with business processes and workflows 
  • Integration testing: Assesses how the different system components interact with each other, including how data flows and how third-party systems work together 
  • Regression testing: Analyzes the stability and functionality of the app after a bug has been fixed 

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