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

358 Companies - Rankings updated: September 03, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

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  • Tatvasoft

    Sculpt Your Thoughts To Reality

    TatvaSoft is a trusted technology partner enabling global businesses with its strategic IT solutions. Our services majorly encompasses Custom software development, Web development, product development, Ecommerce , Mobile apps, QA and many similar cutting-edge technologies...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • Software Testing
    • AI Development
    • Show more
    Location
    Dallas, Texas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    Visit Website View Profile
    4.2 4.2 (576)

  • Emorphis Technologies

    Think-Do-Achieve

    Emorphis Technologies is a software development company having offices in the USA, UK, in India, offering its services for Digital transformation in enterprise mobility solutions, cloud computing services, backend development, salesforce consulting services, healthcare software development and more...

    Top Services:

    • Mobile App Development
    • Software Development
    • IT Services
    • CRM Consulting
    • Cloud Consulting
    • Show more
    Location
    Broadlands, Virginia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile
    4.3 4.3 (1)
    4.0 4.0 (55)

  • Battersea Web Expert

    Most Affordable and Professional digital marketing agency

    We at Battersea Web Expert offers online marketing solution worldwide. Which includes digital marketing, Web designing, content marketing, email marketing, PPC, and SEO Etc...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Branding
    • Web Design
    • Show more
    Location
    Columbus, Ohio
    Number of Employees
    50 - 99
    Average Hourly Rate
    $5/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile
    4.2 4.2 (1)
    4.3 4.3 (70)

  • Indeses Business Venture Pvt Ltd

    Making Your Digital Dreams Come True.

    Indeses | Software Development Company is the pioneer in offering technology solutions by creating business-driven strategies across a wide variety of industry verticals. We are a full-service B2B digitalization arm providing services for customized software solutions & services. The company is built up of...

    Top Services:

    • Mobile App Development
    • Software Development
    • UI/UX Design
    • Cybersecurity
    • AI Development
    • Show more
    Location
    Huntington, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • Space Inventive

    Your Trusted Path To Innovation

    Space Inventive delivers AI-powered solutions, data engineering, and digital transformation services tailored for pharma, healthcare, and fast-growing businesses. We blend innovation with execution to solve complex challenges through scalable, future-ready technology...

    Top Services:

    • Big Data Analytics
    • IT Services
    • Web Design
    • Branding
    • UI/UX Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Portfolios Count
    1 Project Listed
    Visit Website View Profile
    4.7 4.7 (45)

  • EnlightVision Technologies Pvt. Ltd

    Premier Tech Solutions

    EnlightVision is the partner of choice for many of the worlds leading enterprises, SMEs, and technology innovators. We elevate businesses through custom software development, product design, QA, and consultancy services. Our commitment is to deliver cutting-edge solutions tailored to your unique needs...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • IT Services
    • Web Development
    • Show more
    Location
    St. Charles, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Visit Website View Profile

  • Agnito Technologies Pvt. Ltd.

    Empowering startups, enterprises, and iGaming ventures

    Agnito Technologies Pvt. Ltd. is a full-service IT and digital marketing company delivering innovative solutions in web & mobile app development, game development, and online growth strategies. From SEO and social media to cutting-edge software, we help businesses scale and succeed in the digital world...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • Digital Marketing
    • Mobile App Development
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Website Design Valley

    Let Design, Function, and Strategy Meet!

    We create websites and provide businesses with various opportunities to collect leads and make money from unexpected conversions. The custom website company is dedicated to fulfilling needs that our experts can handle. We only make the best promises when it comes to website creation...

    Top Services:

    • Branding
    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Montville, New Jersey
    Number of Employees
    Under 49
    Portfolios Count
    5 Projects Listed
    Visit Website View Profile
    1.8 1.8 (3)

Related Software Development Specializations in the US

Popular Services

Why People Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding .NET development companies in the United States. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

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Learn more about DesignRush Agency Ranking Methodology.

Sources

DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

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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