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

4 Companies - Rankings updated: September 03, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

United States × .Net Development × Public Administration × Sort by: Top Rated × Clear Filters
  • Turn Heads. Win Hearts.

    2026 Webby Award Winner! Raleigh, NC marketing agency, web design company, branding agency, paid search, SEO / AEO, digital compliance / web accessibility consultant + web application development company...

    Top Services:

    • Digital Marketing
    • Web Design
    • Branding
    • PPC
    • Email Marketing
    • Show more
    Location
    Raleigh , North Carolina
    Number of Employees
    Under 49
    Average Hourly Rate
    $180/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed

    Chariot Services

    • Digital Marketing
    • Web Design
    • Branding
    • PPC
    • Email Marketing
    • SEO
    • Web Development
    • UI/UX Design
    • IT Compliance Solution
    • Creative Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • The Wildlife Society
    • University of North Carolina
    • National Oceanic and Atmospheric Administration
    • Massachusetts Clean Energy Center
    • Cambridge Office of Tourism
    • Great Grey Trust Company (Finance)
    • UNC Health Foundation
    • Restore America's Estuaries
    • Washington State Department of Natural Resources
    • Duke University
    Data sourced from the agency's DesignRush profile

    Chariot Reviews & Testimonials

    • Candice Beaulieu
      Candice Beaulieu Review from Google
      5.0

      Candice Beaulieu's Review Sourced from Google

      Working with Chariot has been an outstanding experience. What could have been a daunting website transition felt smooth and seamless thanks to the team’s expertise, responsiveness, and unwavering support throughout the entire process. We felt fully guided and confident every step of the way and are truly grateful for this partnership. We’re excited to continue collaborating with Chariot as we grow and evolve our digital presence!

    • Dawn Spilsbury Pucci
      Dawn Spilsbury Pucci Review from Google
      5.0

      Dawn Spilsbury Pucci's Review Sourced from Google

      Chariot Creative were incredible to work with. Our project development team was not familiar with building websites and Chariot Creative led us patiently by the hand through the entire process. They took our ideas, concepts and content needs and crafted the perfect website-based tool for us and our stakeholders. When we showed the results to our stakeholders around the coastal US, the consistent feedback was how beautiful and engaging the website was - which was critical for the success of our project. Chariot Creative were receptive to our crazy ideas and suggestions ("Is this even possible?") and were able to translate them into reality ("Sure, this is how it would look..."). Then, they even helped design the social marketing strategy for our project. I would (and have) recommend them to anyone needing anything web design, social marketing, SE), etc. They were a pleasure to work with.

    • Abby Prato
      Abby Prato Review from Google
      5.0

      Abby Prato's Review Sourced from Google

      Jason and his team are the best in the biz! We weren't sure what to expect going into this process since we had never worked with a company like Chariot before. Jason and his team made the process painless and never once made us feel like we were asking too many questions or that our questions were dumb. They were patient, kind, professional and above all else they are masters at their craft, the proof is in our new logo design and website. The feedback from our clients has been nothing but positive and we can't wait to see what the new year brings with Chariot having our backs with the ongoing website maintenance plan. They really have given us the ability to take our small business to the next level and for that we are grateful.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Extended Engineering Team

    Argusoft is a trusted software solutions design consultancy that provides end-to-end, enterprise-class turnkey solutions. Our team of Argonauts are trained to think design at every step, architecting, designing, and coding with the business goals and objectives of our clients in mind...

    Top Services:

    • Staff Augmentation
    • Software Development
    • IT Services
    • Mobile App Development
    • UI/UX Design
    • Show more
    Location
    Newark, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000

    Argusoft Services

    • Staff Augmentation
    • Software Development
    • IT Services
    • Mobile App Development
    • UI/UX Design
    • DevOps Consulting
    • Web Design
    • Web Development
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • World Health Organization (WHO)
    • Government of Jamaica
    • DSG Consulting Inc.
    • Fresh Concepts Inc.
    • Emnicon GB
    Data sourced from the agency's DesignRush profile
  • Increase Your Impact. Improve The World.

    Mighty Citizen is a creative agency that transforms mission-driven organizations through branding, marketing, and digital communications. They help nonprofits, associations, universities, and governments increase their impact and revenue by creating deeper connections with their audiences using data and...

    Top Services:

    • Web Design
    • Web Development
    Location
    Austin, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $50,000 & Up

    Mighty Citizen Services

    • Web Design
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Texas Department of Information Resources
    • College of American Pathologists
    • Language Connects Foundation
    • University of North Texas
    • Texas Education Agency
    Data sourced from the agency's DesignRush profile

    Mighty Citizen Reviews & Testimonials

    • Meals on Wheels Central Texas
      Meals on Wheels Central Texas Review from Google
      5.0

      Meals on Wheels Central Texas's Review Sourced from Google

      Trademark Media helped us bring our vision to life. They took a lot of information and organized it into a visual rhyme and rhythm so that when people get to our site they know exactly how to find what they are looking for. At the same time, they enhanced the experience, compelling users to discover new things that they might not have intentionally visited the site to find. From a functionality standpoint, we got exactly what we wanted and needed. Beyond that, the CMS they built the platform on is very easy to use and offers us the flexibility to easily change content to keep our site fresh on an ongoing basis. The Trademark team was extremely professional and on top of technology; they made the process fun and educational!

    • Joe Gleinser
      Joe Gleinser Review from Google
      5.0

      Joe Gleinser's Review Sourced from Google

      Trademark built our site in 2015. I wanted a marketing tool that would take us into a new stage of lead generation. Trademark delivered exactly that. Our lead flow has skyrocketed as fast as our Google rankings. My team can easily manage the content in house. Their hosting and support has been very solid. Ongoing changes have been reasonably priced and executed well.

    • Morgan Stinson
      Morgan Stinson Review from Google
      5.0

      Morgan Stinson's Review Sourced from Google

      TradeMark Media's team was talented, thorough, and great to work with. They have a very positive attitude and were really helpful with troubleshooting any issues we had in our own content development. I would highly recommend their services.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Coding Success Globally, Guided by a Ukrainian Heartbeat!

    We are Codebridge, an international team with a Ukrainian heart. We lead as an IT outsourcing company, offering software development, UI/UX design, app development, and web design solutions to European and US companies...

    Top Services:

    • UI/UX Design
    • Design Services
    • Product Design
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    100 - 249
    Portfolios Count
    13 Projects Listed

    Codebridge Services

    • UI/UX Design
    • Design Services
    • Product Design
    • Web Design
    • WordPress Website Design
    • Web Development
    • Mobile App Development
    • Software Development
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • LOCAD
    • That Festival Site
    • KPMG
    Data sourced from the agency's DesignRush profile

    Codebridge Reviews & Testimonials

    • Ievgeniia Fedorenko
      Ievgeniia Fedorenko Review from Google
      5.0

      Ievgeniia Fedorenko's Review Sourced from Google

      I have been working at the company for a year. One of my favorite things is the sense of community among coworkers; it feels like being part of a big, friendly family. Another aspect I appreciate is the professional growth opportunities. I am working on different projects where I can improve my skills and face new challenges.

    • Viktoriia Pchelintseva
      Viktoriia Pchelintseva Review from Google
      5.0

      Viktoriia Pchelintseva's Review Sourced from Google

      I worked in Codebridge as a junior UX/UI designer. My team was really friendly and supportive, and I enjoyed working on the tasks with my colleagues. I also liked that the company is always ready to hear your feedback and that your opinion matters.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

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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