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

1,267 Companies-Rankings updated: September 24, 2026

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × .Net Development × Sort by: Organic Rankings ×Clear Filters
  • Think AI Build Bold Analyze Deep

    Think AI Build Bold Analyze Deep

    At Siffrum, we don't just build technology we craft intelligent solutions that drive smarter, faster growth. As a full-stack IT and Software company with a dedicated Data Science wing, we blend innovation with strategy to deliver measurable results. From AI-powered analytics and custom software to scalable...

    Top Services:

    • eCommerce Development
    • Web Development
    • AI Development
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • Empowering startups, enterprises, and iGaming ventures

    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
  • Your Strategic IT Consulting & Technology Partner

    Your Strategic IT Consulting & Technology Partner

    Iqra Technology is a leading IT consulting and software development company delivering cost-effective, high-quality, and scalable technology solutions that help organizations accelerate their digital transformation. Since 2016, we have successfully delivered 1,000+ projects...

    Top Services:

    • CRM Consulting
    • ERP Consulting
    • Big Data Analytics
    • Managed Services
    • IT Services
    • Show more
    Location
    Austin, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $15/hr
  • Where Digital Empires Rise.

    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
  • Grow with Technology.

    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
  • Let Design, Function, and Strategy Meet!

    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
  • Transform Your Business With Enterprise Software Solutions

    Transform Your Business With Enterprise Software Solutions

    Naxilon is a US-based software company from Arlington, Texas. We build custom software, web and mobile apps, and nextgen database systems that process data at lightning speed. Our team loves solving complex problems with simple, elegant solutions. Whether you need a CRM, ERP, or a full business suite, we...

    Top Services:

    • Digital Services
    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Arlington, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Full-Service Branding Agency for Small Businesses

    Full-Service Branding Agency for Small Businesses

    At 76 Design Solutions, we're a full-service branding agency for small businesses. We build the brand first — logo, identity and print — then the website it lives in, and the SEO that gets it found. You work directly with the people doing the work, not an account manager...

    Top Services:

    • Web Design
    • Digital Marketing
    • SEO
    • Branding
    • Graphic Design
    • Show more
    Location
    Homosassa Springs, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    9 Projects Listed
  • Reliable Truck Dispatch Services in the USA | SD Global Services

    Reliable Truck Dispatch Services in the USA | SD Global Services

    In order to make a trucking business successful, effective dispatching, technology solutions, and customer service play a crucial role. Similarly, in scaling operations, efficient systems and clear communication are key to growth and long-term success...

    Top Services:

    • Digital Services
    • Web Design
    • Web Development
    • WordPress Website Design
    • Affiliate Marketing
    • Show more
    Location
    Milwaukee, Wisconsin
    Number of Employees
    50 - 99
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
  • We Build Real Business Value, Not Just Websites

    We Build Real Business Value, Not Just Websites

    Design Xcellence is a digital solutions company focused on building websites and online experiences that actually help businesses grow. We dont believe in charging for every little task instead, we focus on delivering real value and results that matter. From desigReach out for a free consultation...

    Top Services:

    • Video Production
    • Logo Design
    • Web Design
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Kalispell, Montana
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Moving Your Business Forward

    Moving Your Business Forward

    Creative Moves is a full-service creative, branding, and digital marketing agency helping ambitious businesses turn ideas into powerful brands, meaningful connections, and measurable growth...

    Top Services:

    • Advertising
    • Graphic Design
    • Design Services
    • Branding
    • Package Design
    • Show more
    Location
    Tysons, Virginia
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Grow Your Business

    Grow Your Business

    iSEO Agency is a US-focused SEO and digital marketing agency helping businesses improve their visibility across Google Search, Google Maps, and AI-powered search platforms. We create customized SEO strategies for contractors, home service businesses, franchises, professional service companies, and eCommerce...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • Mobile App Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
  • Lets Solve Your IT Challenges

    Lets Solve Your IT Challenges

    AutomateIT Ops is a Nashville-based managed IT provider delivering Managed Hosting & Cloud, Managed IT 360°, Security as a Service, Robotics As a Service, and AI as a Service. Serving U.S. businesses, it helps organizations simplify operations with cost-effective, enterprise-grade technology solutions...

    Top Services:

    • AI Development
    • Software Development
    • Managed Services
    • Cybersecurity
    • IT Services
    • Show more
    Location
    Nashville, Tennessee
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • ELEKS

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.

    ELEKS builds custom enterprise software across fintech, healthcare, energy, and logistics, with 1,000+ projects delivered over 30 years. It serves Fortune 500 companies and names like DPD and Drax. The software development firm is best for mid-to-large enterprises needing complex software development...

    Top Services:

    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • Cybersecurity
    • AI Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    12 Projects Listed
  • Azumo

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Build Intelligent Apps for Web, Mobile, Data, AI and Cloud

    Azumo builds custom web, mobile, and AI software with nearshore teams in South America, serving Meta, Omnicom, and the Discovery Channel. Its SOC 2-certified engineers delivered 40%+ search precision gains for Meta. Best fit for startups and enterprises needing U.S.-aligned nearshore development teams...

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Big Data Analytics
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    9 Projects Listed
  • SCALO

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Software Development / AI & Technology Consulting / Dedicated Developers

    Scalo builds custom web, mobile, and embedded software using .NET, Java, and React, for clients like BNP Paribas, ING, and Santander. Its ISO 27001-certified team covers fintech, banking, and renewable energy. The custom software development agency is best for enterprises needing a nearshore partner...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Software Testing
    • IT Services
    • UI/UX Design
    • Show more
    Location
    Austin, Texas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
  • Yalantis

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Full-Cycle IoT and Software Development company

    We deliver cutting-edge, scalable, and fully functional IoT hardware and software products and ecosystems that help clients achieve their specific objectives...

    Top Services:

    • IoT
    • Software Development
    • Mobile App Development
    • AI Development
    • Big Data Analytics
    • Show more
    Location
    California City, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    24 Projects Listed

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
125,672+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
48%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
1,267

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

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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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