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

11 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 × Hobbies & Gifts ×Clear Filters
  • A highly recommended mobile app development company

    Blue Label Labs is a premier digital product agency, providing a comprehensive array of services to transform businesses in the digital realm. With a strong global presence, we specialize in mobile app development, especially iPhone app development, publishing app development, web design, and product...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Blockchain
    • Wearables
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    22 Projects Listed
  • Your trusted AR VR development partner since 2016.

    Euphoria XR is an immersive technology studio delivering AR, VR, MR, and AI solutions for clients ranging from startups to enterprises and government sectors. Focused on creativity, innovation, and custom development, we bring ideas to life through advanced, interactive experiences. From virtual tours to...

    Top Services:

    • VR/AR
    • AI Development
    • Blockchain
    • Mobile App Development
    • Wearables
    • Show more
    Location
    Cedar Park, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • See It, Want It, Buy It!

    Twisty Designs is a Shopify Plus agency helping 78 figure DTC brands grow through high-converting design, personalization, and automation. Experts in Customily, Teeinblue, Zakeke, and Kickflip, we build scalable, real-time customization experiences that boost sales...

    Top Services:

    • eCommerce Development
    • Web Development
    • Branding
    • Design Services
    • Package Design
    • Show more
    Location
    Cooperstown, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • We create and innovate fascinating digital products.

    A leading IT agency focused on transitioning digital solutions...

    Top Services:

    • Mobile App Development
    • Web Development
    • Web Design
    • Product Design
    • Design Services
    • Show more
    Location
    Islandia, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    21 Projects Listed
  • We cover the companies shaping whats next

    BrandClickX is the independent publication covering business, AI, technology, finance, brands, and the companies shaping tomorrow's economy. From breakthrough startups to billion-dollar enterprises, we deliver trusted reporting, original insights, and expert analysis on the people, ideas...

    Top Services:

    • SEO
    • Digital Marketing
    • Content Marketing
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    Albany, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $1,000 - $10,000
  • Venture Infrastructure for Scalable Value Creation

    SoftTeam is an international IT services and talent-augmentation company operating across locations such as Ukraine, Estonia, Poland, Austria and the United Kingdom. The firm provides models such as IT staff augmentation, dedicated teams and out-staffing to support businesses across industries including...

    Top Services:

    • IT Services
    • Staff Augmentation
    • Software Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
  • Team Up with Real Experts.

    TecSmiths is based in Liverpool, TecSmiths is a leading SEO agency dedicated to helping businesses across the UK boost their online visibility and achieve sustainable growth...

    Top Services:

    • SEO
    • Digital Marketing
    • Content Marketing
    • Mobile App Development
    • Web Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • Your Business, Automated.

    We help businesses scale by combining AI, automation, and CRM expertise into done-for-you solutions. From lead capture and client nurturing to AI-powered voice agents and custom workflow design, Yotomations builds systems that give you back time, reduce costs, and drive measurable growth. Your business...

    Top Services:

    • Web Development
    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • Show more
    Location
    Lutz, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Marketing, simplified.

    PM Solutions specializes in advertising and content marketing for social media, websites, print, radio, billboards and blogposts. The focus is on brand promotion, SEO, increasing visibility, digital advertising and increasing target engagement...

    Top Services:

    • Creative Services
    • Public Relations
    • Design Services
    • Content Marketing
    • Web Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    4 Projects Listed
  • Your Very Own Digital Marketing Agency.

    We are a prominent digital marketing company that offers best quality digital services to give you the best ROI in every condition. We follow latest trends and ethical practices to give you the best results to build a long-term relationship with our clients...

    Top Services:

    • Graphic Design
    • Web Design
    • Web Development
    • SEO
    • Digital Marketing
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • Big Agency Quality. Zero Agency Overhead.

    Shilling Digital is a boutique, owner-operated digital studio delivering high-performance web development, local SEO, content, and branding solutions. By leveraging modern tech, we build blazing-fast, custom websites tailored for growing businesses. Skip the agency overheadpartner directly with a dedicated...

    Top Services:

    • Web Design
    • Web Development
    • Digital Marketing
    • SEO
    • Social Media Marketing
    • Show more
    Location
    Warsaw, Indiana
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    Portfolios Count
    3 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
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
11

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