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

109 Companies-Rankings updated: September 04, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

United States × .Net Development × Retail × $1,000 - $10,000 ×Clear Filters
  • Your Partner For Custom Design Solutions

    Fineart Design Agency, a leading design agency in Canada, is passionate about creating the best user experience possible and exceeding your expectations. From ideation to launch, we are dedicated to delivering impeccable solutions that align with your development goals...

    Top Services:

    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Graphic Design
    • Design Services
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    Location
    Highland Heights, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Your Premier U.S. Based Team of Digital Craftsmen and Software Innovators.

    Hidden Mountain Data (HMD) specializes in providing tailored software, data, cloud, AI, and blockchain solutions, including web apps, mobile apps, data warehouses, and CI/CD pipelines. With a focus on transparency, our developers are readily accessible to clients, ensuring clear communication and...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Blockchain
    • IoT
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    Location
    Meridian, Idaho
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Solutions That Make the Future Better!

    Lets change your ideas into a catching reality! At Website Design 24/7 , we are not just providing top-notch digital solutions but making your brand unique in the crowd. Our team of professionals has the industry-wide experience to let your brand attract new audiences and boost awareness...

    Top Services:

    • Web Design
    • AI Development
    • Mobile App Development
    • Web Development
    • eCommerce Development
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    Location
    Dallas, Texas
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Top Mobile & Web Development Company.

    TConnectX Solutions is a technology development company offering custom web and mobile app development, branding and dedicated resource models. We provide innovative solutions using modern technologies such as AngularJS, Laravel, WordPress, Shopify and much more to build scalable and efficient applications...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • Software Development
    • WordPress Website Design
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    Location
    Owensboro, Kentucky
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Search Engine Marketing Revival.

    Elevate your online visibility and accelerate your business growth with SEM Revival LLC! We specialize in comprehensive digital marketing strategies customized to enhance your internet presence significantly. Our mission is to empower your brand with targeted solutions designed to maximize online visibility...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • eCommerce
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    Location
    Wilmington, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
  • Innovating Digital. Empowering Growth.

    Saffron Tech is a digital transformation company that delivers scalable web, mobile, and AI solutions tailored to drive measurable business outcomes across industries...

    Top Services:

    • eCommerce Development
    • WordPress Website Design
    • Web Design
    • Social Media Marketing
    • eCommerce
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    Location
    Newark, New Jersey
    Number of Employees
    100 - 249
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
  • Global Web Development & Digital Marketing Experts

    DS Technologies is a global web design, development, and digital marketing agency. We specialize in creating innovative, custom solutions that drive measurable results. With expertise in SEO, UI/UX, and scalable web applications, we help businesses worldwide grow their digital presence and achieve sustainable...

    Top Services:

    • Graphic Design
    • Web Design
    • eCommerce Development
    • Web Development
    • UI/UX Design
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    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Digital Business Solutions with a Difference!

    GrapesTech Solutions is a prominent IT consultancy renowned for delivering cutting-edge digital business solutions. Our expertise lies in offering comprehensive IT consulting, website development and design, and system integration services tailored to meet the evolving needs of businesses...

    Top Services:

    • Web Development
    • eCommerce Development
    • SEO
    • PPC
    • Direct Marketing
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    Location
    Lewes, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Where Digital Empires Rise.

    A professional Digital Marketing Agency with a dedicated focus on Pay-Per-Click (PPC) campaigns and website optimization. We excel at catalyzing Digital Success by crafting Compelling Content, Striking Visuals, and Interactive Interfaces, resulting in an unmatched level of Engagement and Growth...

    Top Services:

    • PPC
    • Social Media Marketing
    • Content Marketing
    • Advertising
    • SEO
    • Show more
    Location
    Elmhurst, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000

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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