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

15 Companies-Rankings updated: October 26, 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 × Gambling ×Clear Filters
  • We build great software that builds your bottom line

    Dualboot is a business and software development company. We build great software, but we base our success on whether it helps your business grow...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Staff Augmentation
    • Show more
    Location
    Raleigh , North Carolina
    Number of Employees
    250 - 499
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed
  • Suffescom Solutions Inc

    VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.

    Get what matters!

    Suffescom builds AI, Web3, and mobile apps for clients including NBCUniversal, Humana, and Stripe, with 13+ years and 1,250+ clients. Its ISO-certified team covers agentic AI, blockchain, and on-demand platforms. Best fit for startups and enterprises needing AI-first or Web3 product development...

    Top Services:

    • Mobile App Development
    • AI Development
    • Blockchain
    • Software Development
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    33 Projects Listed

    Suffescom Solutions Inc Services

    • Mobile App Development
    • AI Development
    • Blockchain
    • Software Development
    • Web Development
    • Web Design
    • IT Services
    • DevOps Consulting
    • Market Research
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Modani Furniture
    • King Cubs
    • Lead Action
    • Jabal Omar
    • EVgo
    • أدوار للخدمات اللوجستية
    • xeptagon
    • Cash App
    • My Taxi India
    • Uber
    Data sourced from the agency's DesignRush profile

    Suffescom Solutions Inc Reviews & Testimonials

    • Michael Raca
      Michael Raca CEO at Green Link Go
      5.0★

      Mobile App Development Review from Michael Raca

      Finding a food delivery platform that genuinely prioritizes clean, nutritious meals over endless unhealthy options has always been a challenge, until this app. Suffescom Solutions developed a platform that makes discovering health-focused restaurants incredibly simple and intentional. Instead of scrolling through overwhelming menus filled with junk food choices, users are guided toward balanced, wholesome meal options that align with a healthier lifestyle. It's a concept that was clearly needed, and the execution makes it effortless.The overall user experience reflects the quality of work that Suffescom Solutions brings to every food delivery app development project. The interface is clean, intuitive, and designed with the end user in mind, making the ordering process quick, seamless, and stress-free. Real-time delivery tracking works flawlessly, keeping users informed every step of the way. From UI design to backend performance, every element of the app has been thoughtfully built for both functionality and reliability across devices.What truly stands out is how professionally this health-focused food delivery application has been developed and executed from concept to launch. Suffescom's deep understanding of the on-demand food tech industry is evident in every feature, from smart restaurant filtering to smooth checkout flows. If you're looking to build a purposeful, scalable healthy food delivery app that stands out in a crowded market, Suffescom Solutions is the development partner that delivers results with precision and passion.

    • Rungano Luciano
      Rungano Luciano Founder at Flakeglow
      4.0★

      Mobile App Development Review from Rungano Luciano

      Delivered a fully customized mobile and web application for FlakeGlow that perfectly matched our business vision in the beauty and salon industry.The platform was built with advanced online booking functionality, allowing users to seamlessly connect with salons and freelance beauty professionals for a wide range of services, including hair styling, nail care, skincare treatments, barber appointments, and on-demand at-home beauty visits.What truly impressed us was how the Suffescom development team translated our concept into a feature-rich, intuitive platform. Their expertise in beauty and salon app development was evident at every stage, from UX design to backend architecture. The app wasn't just built to function; it was built to grow with our business.The team demonstrated strong command over on-demand service app development, ensuring the platform was scalable, performance-driven, and user-friendly for both clients and beauty professionals alike. Every feature was thoughtfully implemented to enhance the booking experience and streamline salon operations.If you're in the beauty, wellness, or personal care industry and looking for a trusted beauty salon app development company, Suffescom Solutions is the partner that delivers. They brought FlakeGlow to life with precision, passion, and technical excellence.

    • Wanshan Zhu
      Wanshan Zhu CTO at PinBest
      5.0★

      Mobile App Development Review from Wanshan Zhu

      Working with Suffescom Solutions was a seamless, professional experience from the very first stage and the platform they delivered is a true reflection of their technical craft and user-first development philosophy.From day one, the Suffescom Solutions development team demonstrated a clear understanding of what makes a digital platform not just functional, but genuinely engaging. The result is a platform built with a clean, distraction-free interface that puts content discovery at the forefront. Navigation is intuitive and effortless, ensuring users can find what they need quickly without friction or confusion. Every mobile app design and development decision clearly prioritized the end user and it shows in how naturally people interact with the platform.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Enterprise Grade App & Web Development Services

    At RichestSoft, we don't just build apps; we create seamless digital experiences that automate businesses. As a leading Mobile App and Web Development Company, we partner with visionary companies to bring their ideas to life, blending their vision with our cutting-edge technical expertise to spark future...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • Software Testing
    • AI Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
  • Optimize & Streamline Your Complex Business Problems With AI & Automation

    Sunflower Lab is a Microsoft Solutions Partner delivering Power BI, Power Automate, Power Apps, Dynamics 365, SharePoint and Copilot, plus AI agents and AI automation. We are also an award-winning builder of custom web and mobile digital products...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Software Testing
    • IoT
    • Show more
    Location
    Hilliard, Ohio
    Number of Employees
    50 - 99
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
  • AI-ready Senior Engineers and Dedicated Teams in ~60 hours

    Founder-led IT staff augmentation for small-mid companies. We solve problems you haven't fully scoped yet...

    Top Services:

    • eCommerce Development
    • Software Testing
    • AI Development
    • Mobile App Development
    • Software Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
  • We Build Games That Players Love.

    Double Coconut is a San Franciscobased boutique game development studio founded in 2012. The agency specializes in full-service game design and co-developmentfrom casual mobile and web titles to casino, mid-core, and Web3 games. Their projects have reached over 5 million players and generated...

    Top Services:

    • Software Development
    • Web Design
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • Solutions on Time and Within Budget

    We are a highly technologically advanced company that enables the automation of business processes within various industries in a timely, innovative and reliable fashion. Our software and hardware solutions transform the world of cash and security into exceptional consumer experience. Trust Tekbees, we are...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Web Development
    • Web Design
    • Show more
    Location
    Miami, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Innovative Web & Custom Soft Development Solutions

    DESIGN, DEVELOP, DEPLOY!!! The PRIME is a team of highly skilled and experienced professionals in the field of Web Development and Custom Software Development PRIME means - Punctuality, Quickness, Honesty and Professional work! WE HAVE GOT YOU COVERED!!!...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • Your Solution Partner For The Digital Age!

    At BCS Tech, we offer premium web design and marketing services tailored to elevate your brand. Specializing in custom website development and targeted marketing campaigns, we craft solutions that connect with your audience and drive results...

    Top Services:

    • Web Design
    • Branding
    • Digital Marketing
    • IoT
    • Mobile App Development
    • Show more
    Location
    Houston, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • 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
  • Growth For Apps That Want To Scale Smarter

    Teletab is a full-service app marketing agency helping startups and top apps grow smarter through AI SEO, creative performance, and data-driven strategy. We specialize in app store optimization (ASO), AI SEO, influencer marketing, performance marketing, paid media, and creative testing that scales installs...

    Top Services:

    • Digital Marketing
    • Mobile App Development
    • Web Design
    • UI/UX Design
    • Cloud Consulting
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Revenue-Focused Digital Marketing

    Elit-Web is a full-service digital marketing agency specializing in SEO, PPC advertising, social media marketing, email marketing, and conversion optimization. The agency helps businesses increase online visibility, generate qualified leads, and drive revenue growth through data-driven marketing strategies...

    Top Services:

    • SEO
    • Digital Marketing
    • PPC
    • eCommerce
    • Social Media Marketing
    • Show more
    Location
    Schaumburg, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    47 Projects Listed
  • Superior Business Solutions

    Sigma Software specializes in developing software and is a globally distributed team of more than 2000 skilled IT professionals, spanning 12 countries including the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Australia, Austria, Ukraine, and more. With a track record of over 20 successful years, we take...

    Top Services:

    • Software Development
    • Web Design
    • Mobile App Development
    • VR/AR
    • Business Consulting
    • Show more
    Location
    Bellevue, Washington
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed
  • Your Vision Is Our Mission

    Fire Bee Techno Services is an ISO-certified AI And Blockchain development company with a proven track record of 500+ successful projects. We are dedicated to turning innovative ideas into impactful solutions...

    Top Services:

    • Mobile App Development
    • Digital Marketing
    • Web Development
    • Graphic Design
    • Blockchain
    • Show more
    Location
    Fort Lauderdale, Florida
    Number of Employees
    250 - 499
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Innovative Solutions For A Digital World

    ZonSource is a leading software development company, specialize in custom website development, mobile app development, CRM and ERP software, AI-powered solutions, business process automation, chatbot development, and tailored enterprise software designed to meet unique business needs...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • AI Development
    • Show more
    Location
    Orlando, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $8/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project 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
129,656+
2

Portfolio Review

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

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
15

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

See how rankings and monetization work.

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