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

2 Companies-Rankings updated: September 03, 2026

All agencies on DesignRush undergo evaluation based on professional expertise and verified client reviews. Please note that certain placements are paid partnerships.

United States × .Net Development × Home Services × $25,000 - $50,000 ×Clear Filters
  • 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

    Yalantis Services

    • IoT
    • Software Development
    • Mobile App Development
    • AI Development
    • Big Data Analytics
    • IT Services
    • Cybersecurity
    • Staff Augmentation
    • Cloud Consulting
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • RAKwireless
    • Toyota Tsusho
    • KPMG
    • Healthfully
    • Orbis Systems
    • Lifeworks
    • Scholz Databank
    • 123 Sourcing
    • Truhoo
    Data sourced from the agency's DesignRush profile

    Yalantis Reviews & Testimonials

    • Sergei Lishchenko
      Sergei Lishchenko Director of Digital Experience and Innovation at Orbis System
      5.0

      Fintech Review from Sergei Lishchenko

      The exception team the client collaborated with brought in fresh ideas and innovative technologies previously unfamiliar to the client. For example, with Yalantis' guidance, the client's developers explore the Go language. The primary reason the client chose Yalantis is its strong organizational and project management skills. It's not just about the developers; Yalantis provides a comprehensive support framework, ensuring that a project manager is consistently present. (Verified via email)

    • Jason Jung
      Jason Jung Senior engineering manager at Zillow
      5.0

      Software Development Review from Jason Jung

      Yalantis functions as an integral scrum team, supporting the development teams of a real estate firm. It created renovation project management tools that encompass a web app, a mobile app, and a backend system. Thanks to Yalantis, the client expanded development capabilities and achieved key short-term goals. Its quick integration was pivotal in launching various projects. Beyond delivering top-notch work, Yalantis emphasizes a culture that prioritizes the customer's needs. (Verified via email)

    • Roy D
      Roy D Partner at RAKwireless
      5.0

      Outsourcing Review from Roy D

      An IoT manufacturer teamed up with Yalantis to craft an application, enabling users to manage their devices more efficiently. Utilizing Node.js and basing the architecture on Circulus, Yalantis delivered commendable outcomes. It is responsive to any development challenges, offering swift resolutions. The client appreciates Yalantis' proactive stance, impressive technical expertise, and practical solution suggestions. (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Tech Up Your Game

    TechQuarter is a custom software development company helping businesses accelerate growth through tailored digital solutions. Since 2014, we've partnered with startups and enterprises across finance, solar, healthcare, and mobility to deliver web and mobile apps, AI/ML systems, cloud infrastructure, and QA...

    Top Services:

    • IT Services
    • Cloud Consulting
    • DevOps Consulting
    • Cybersecurity
    • Product Design
    • Show more
    Location
    Cheyenne, Wyoming
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000

    TechQuarter Services

    • IT Services
    • Cloud Consulting
    • DevOps Consulting
    • Cybersecurity
    • Product Design
    • Staff Augmentation
    • Software Testing
    • AI Development
    • Web Design
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Suntria
    • ContentStatus
    • LittlePay
    • GoodLeap
    Data sourced from the agency's DesignRush profile

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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