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

169 Companies-Rankings updated: September 03, 2026

Each agency undergoes DesignRush evaluation for professional expertise and genuine client satisfaction to assist your search. Some featured placements are paid.

United States × .Net Development × Media & Communications ×Clear Filters
  • The Best Way To Build Your Software.

    Our focus is on providing businesses with the tools they need to reach their maximum potential through the use of our cutting-edge software solutions. Launch your product to market 2x faster with Techjay's strong business domain experience, technical expertise, extensive knowledge of the latest industry...

    Top Services:

    • Software Testing
    • Software Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
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    Location
    Menlo Park, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $28/hr
    Minimal Budget
    $10,000 - $25,000
  • Empowering Businesses with Technology Solutions and Talent

    Techsila LLC, led by an experienced CEO with 18+ years in software development, stands out for its innovation, comprehensive services, global reach, and client-centricity. We offer cutting-edge solutions spanning web and mobile app development, AI, and more. Our staffing solutions provide access to top...

    Top Services:

    • Mobile App Development
    • Software Development
    • IoT
    • AI Development
    • Blockchain
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    Location
    Burlington, Massachusetts
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Driving technological excellence

    We craft digital success stories with advanced software solutions, empowering businesses for tomorrow...

    Top Services:

    • AI Development
    • Blockchain
    • Mobile App Development
    • Software Development
    • Software Testing
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    Location
    Delaware City, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $50,000 & Up
  • Enterprise Solutions That Matter.

    Hybrid IT Services, Inc. is a leading technology firm that offers a blend of cloud and on-premise IT solutions tailored to meet the diverse needs of modern businesses. Specializing in creating robust, scalable IT infrastructures, the company ensures enhanced data security, improved operational efficiency, and...

    Top Services:

    • Software Development
    • Mobile App Development
    • Cybersecurity
    • DevOps Consulting
    • Web Development
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    Location
    Mesa, Arizona
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $1,000 - $10,000
  • Strategize. Build. Secure. Scale.

    GYSP.tech is a trusted global IT Consulting and Service Provider helping businesses strategize, build, secure, and scale Cloud, Data, AI/ML, SaaS and Ecommerce ecosystems to maximize operational ROI and competitive advantage...

    Top Services:

    • Cloud Consulting
    • DevOps Consulting
    • AI Development
    • Software Development
    • Staff Augmentation
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    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Transform Digital Strategy Into Scalable Business

    Zynergetix Hub is an integrated digital agency that bridges creative vision with technical execution. We specialize in building high-performance websites, developing AI-powered automation solutions, and executing data-driven marketing strategies that generate measurable ROI. From SaaS platforms and e-commerce...

    Top Services:

    • Web Development
    • Web Design
    • eCommerce Development
    • Software Development
    • AI Development
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    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • We Drive Results

    Long Drive Marketing is a full-service digital marketing agency and division of Long Drive Group. We build marketing engines for businesses, nonprofits, and motorsports organizations across the U.S. from four offices in Nashville, Franklin, Washington DC, and Cheyenne. Our team delivers strategy consulting...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Web Design
    • Branding
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    Location
    Franklin, Tennessee
    Number of Employees
    100 - 249
    Average Hourly Rate
    $72/hr
    Minimal Budget
    Under $1,000
  • Complex software your users love.

    HappyFunCorp partners with companies across all industries to develop innovative AI digital products and modernize existing ones, leveraging deep engineering skills, product expertise, and human-focused design...

    Top Services:

    • Software Development
    • AI Development
    • Product Design
    • Design Services
    • Digital Strategy
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    Location
    New York City, New York
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000
  • 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
  • Empowering Your Product Team

    DLYMI is a full-service, collaborative, human-centered design studio. We work with clients from vision through execution and release. We are your partner in creating thoughtful digital experiences that have a responsible impact on the world while delivering on business goals and customer value...

    Top Services:

    • Design Services
    • Product Design
    • UI/UX Design
    • Web Development
    • Mobile App Development
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    Location
    Denver, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
  • Strategy, design, engineering, and AI

    Bay Area Coders is a San Francisco-based product and engineering studio working with venture-backed startups and growth-stage companies since 2016. We combine strategy, design, engineering, and AI to help teams ship real products and modernize existing ones...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • Design Services
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    Location
    Roseville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Where Ideas Turn Into Scalable Products.

    CoderzHub is a digital agency that offers services ranging from website development, mobile app development, custom software developement and digital marketing...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • WordPress Website Design
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    Location
    Plano, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Enhancing your businesses' digital presence!

    Codism is a USA-based software design and development company offering a range of services to enhance businesses' digital presence...

    Top Services:

    • Software Development
    • Mobile App Development
    Location
    Burlington, New Jersey
    Number of Employees
    100 - 249
  • Foresight. Adaptability. Diversity. Innovation.

    Design Premiers web designing and development experts will ensure that your website is search engine friendly, aesthetically appealing, and user friendly...

    Top Services:

    • eCommerce Development
    • Logo Design
    • SEO
    • Web Design
    • Web Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
  • Frugalnova - Crafting Smarter Software, Apps, and Innovations for All Platforms!

    Frugalnova is a leading software development company specializing in creating innovative solutions for businesses worldwide. We excel in mobile app development, iOS and Windows apps, web platforms, and cutting-edge technology solutions. Our expert team blends creativity and technical expertise to deliver...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Web Design
    • Show more
    Location
    Mount Vernon, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
  • See Beyond, Rise Above.

    Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology...

    Top Services:

    • AI Development
    • Software Development
    • Web Development
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Santa Clara, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
  • Delivering Value Scientifically

    Cybage is an information technology company specializing in outsourced product engineering and IT consulting services. With over three decades of experience, we are a leader in software development, partnering with some of the world's largest independent software vendors (ISVs) and enterprises. Our team of...

    Top Services:

    • Software Development
    • IT Services
    • Cloud Consulting
    • Web Development
    • IoT
    • Show more
    Location
    Princeton, New Jersey
    Number of Employees
    1000 & Up
  • 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
  • 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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