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

69 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 × Boutique ×Clear Filters
  • On Demand App Development Company

    Hyperlocal Cloud is a leading software development company offering end-to-end web and mobile development solutions to startups, SMEs, and big enterprises...

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    Location
    Wilmington, Delaware
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Leading App and Web Development Company For Your Business

    SunTech Applications provides a comprehensive range of digital transformation and technology services, guiding international clientele from initial conceptualization through to effective implementation, thereby empowering them to surpass their competitors...

    Top Services:

    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Software Development
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
  • Maximize Your Brand Visibility with the Most Effective Marketing Tactics from My Marketing Stars.

    My Marketing Stars is a vibrant digital marketing agency in New York that has a lot to offer to businesses in terms of online growth and real performance. With a group of skilled marketers, we give a large list of services like SEO, social media marketing, PPC ads, content creation, and web development...

    Top Services:

    • PPC
    • Digital Marketing
    • SEO
    • Content Marketing
    • Social Media Marketing
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
  • Accelerating Your Business Growth and Success

    Royal Digital Agency offers various digital marketing services to help businesses establish and grow their online presence...

    Top Services:

    • Digital Marketing
    • PPC
    • Web Design
    • Web Development
    • SEO
    • Show more
    Location
    Glendale, California
    Number of Employees
    Under 49
    Portfolios Count
    2 Projects Listed
  • We build digital excellence.

    Premium web design and digital solutions that convert visitors into customers built for businesses that refuse to blend in...

    Top Services:

    • SEO
    • Web Design
    • eCommerce Development
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    Under $1,000
  • Inspiring With Intelligence

    We at 5Fusion Tech LLC, develop your best websites, software's and social media marketing and guide you throughout the process to facilitate your business and make it easy for your to other aspects of your business...

    Top Services:

    • Software Development
    • Web Development
    • Digital Marketing
    • CRM Consulting
    • Mobile App Development
    • Show more
    Location
    Houston, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Portfolios Count
    1 Project Listed
  • Software development from A to Z.

    With a global presence in New York, Dubai, and Kyiv, RFO Solutions stands as a premier agent of innovation in the tech world. Our spectrum of offerings includes tailored software development, expert team augmentation, and insightful consulting services, all designed to empower your digital journey.We...

    Top Services:

    • Web Design
    • UI/UX Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
  • Enhance Your Companys Online Identity.

    OooWee Business Solutions, founded in 2024 and based in Stockton, California, is a boutique digital marketing and software development agency serving small to midsize businesses. The firm delivers full-cycle solutions including account management, SEO, custom web and mobile apps, AI-powered lead generation...

    Top Services:

    • Design Services
    • Digital Strategy
    • Web Design
    • Web Development
    • Social Media Marketing
    • Show more
    Location
    Stockton, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Web Design Software Development & Digital Marketing.

    Enterprise 360, we are a creative team specialize in creating results driven web and digital solutions from impressive websites, software and mobile app development, e-commerce, content management and branding solutions...

    Top Services:

    • Web Design
    • WordPress Website Design
    • Web Development
    • eCommerce Development
    • Digital Services
    • Show more
    Location
    Schaumburg, Illinois
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • We are creative, Innovative and Experienced

    Depex Technologies is a leading IT solutions provider specializing in app & web development, AI, digital marketing, and automation to drive business growth. Visit: www.depextechnologies.com...

    Top Services:

    • Web Design
    • Mobile App Development
    • Digital Marketing
    • Branding
    • eCommerce Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Best Digital Marketing Agency Fueling Your Success

    TEKOCEANS is a vibrant digital agency dedicated to elevating your online presence. From sleek web and logo design to SEO, Social Media Marketing and Video Animation; we deliver polished, performance driven solutions that help businesses make a lasting impression...

    Top Services:

    • Web Design
    Location
    Austin, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Agency Quality Startup Speed

    83 Creative builds custom websites, integrations, and applications for trade associations and membership organizations. We specialize in Drupal and WordPress development, member portals, and complex system integrations. Clients work directly with developers to deliver high-quality, scalable solutions without...

    Top Services:

    • Web Design
    • Web Development
    • UI/UX Design
    • WordPress Website Design
    • eCommerce Development
    • Show more
    Location
    Oakland, Maryland
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
  • Smart, Scalable & Results-Driven Services

    Software Solution LA is a Phoenix-based digital agency delivering custom software, web and app development, SEO, and creative design services. Since 2007, we've helped startups and enterprises innovate, grow, and strengthen their brand with affordable, tailored solutions...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • UI/UX Design
    • SEO
    • Show more
    Location
    Phoenix, Arizona
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
  • Ignite What's Next

    Sparkware Solutions is a Virginia-based digital agency that helps small businesses grow faster, operate leaner, and scale smarter through strategic web development, AI-driven automation, and intelligent marketing systems...

    Top Services:

    • Digital Marketing
    • AI Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Richmond, Virginia
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • You Are Not Alone In Digital World

    Cefnogi Solutions Private Limited is a global IT and digital engineering company delivering software, web, app, and business growth solutions across India, USA, and Canada...

    Top Services:

    • Graphic Design
    • Web Design
    • UI/UX Design
    • eCommerce Development
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $70/hr
  • Your problem. Our build.

    Pronova Designs delivers customized, cutting-edge digital solutions that seamlessly blend innovation, design, and data-driven strategy. Our meticulous approach ensures your real-world goals are kept in focus at every step. We equip you to thrive in the digital landscape and achieve remarkable business growth...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Digital Marketing
    • Show more
    Location
    Brownsville, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    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
    • Show more
    Location
    Owensboro, Kentucky
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Rank. Protect. Get Featured

    Bluelinks Agency is a specialist digital marketing partner that helps brands rank higher in search, protect their online reputation. Doing SEO, digital PR and press release, online reputation management, personal branding, automation with n8n and Make.com, and WordPress website development...

    Top Services:

    • Digital Marketing
    • SEO
    • Web Design
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    Forest, New York
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Grow with Technology.

    We have a Team of 100+ Skilled App Developers who thrive on rolling up their sleeves and solving your IT problems and meeting your business needs like APP Development, Software Development, Cloud Consulting, Generative AI Development, Cyber Security Services, Custom ERP Software Development, and Web...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Blockchain
    • Software Testing
    • Show more
    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000

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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