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

17 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 × Pets ×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
  • Sketch Development Services

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Build it. Run it. Own it.

    Sketch delivers AI-enabled custom software and DevOps via a subscription model with two-week delivery cycles, citing zero missed deadlines. Its team serves Fortune 500 clients and is best suited for product teams needing a transparent, agile dev partner without long-term contracts...

    Top Services:

    • Software Development
    • Cloud Consulting
    • UI/UX Design
    • eCommerce Development
    • DevOps Consulting
    • Show more
    Location
    St. Louis, Missouri
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed

    Sketch Development Services Services

    • Software Development
    • Cloud Consulting
    • UI/UX Design
    • eCommerce Development
    • DevOps Consulting
    • Staff Augmentation
    • AI Development
    • Software Testing
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • U.S. Bank
    • Centene Corporation
    • Maritz
    • Change Healthcare
    • Stifel
    • Reinsurance Group of America (RGA)
    • bioMerieux
    • CareSource
    • CENTEGIX
    • Purina
    Data sourced from the agency's DesignRush profile

    Sketch Development Services Reviews & Testimonials

    • Monica
      Monica Review from Google
      5.0★

      Monica's Review Sourced from Google

      Amazing and talented people. I’ve worked for both client and agency side and can can say their partnership is amazing. They truly care about ongoing operations and not just ending it at a project level. Highly recommend! Message me if you want specifics.

    • John Andesilich
      John Andesilich Review from Google
      5.0★

      John Andesilich's Review Sourced from Google

      I own a marketing firm in Troy MO and I recently met with Calvin at Sketch Development Services to discuss a software development project I have been thinking about pursuing. He was very nice, easy to speak to and even though his field is a bit out of my knowledge base, he was able to explain things in a way that made perfect sense. I look forward to working with him and his team in the future and recommend anyone looking for a software or app development company to give them a try.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Engineering peace of mind

    Vention builds custom software across fintech, healthtech, and eCommerce, for clients like ClassPass, Mount Sinai, and Slice. Its ISO 27001-certified team serves 30+ industries and over 500 clients. With 20+ years of experience, the software development firm is best for businesses needing scalable...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Software Testing
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    15 Projects Listed
  • Global software development company crafting secure AI-enabled solutions.

    Global software development company crafting secure AI-enabled solutions...

    Top Services:

    • Software Development
    • AI Development
    • Web Development
    • Mobile App Development
    • Web Design
    • Show more
    Location
    Marlborough, Massachusetts
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    40 Projects Listed
  • We can create what you can imagine.

    A digital agency focused on web. We are a creative team of designers, developers, strategists, and producers building elevated websites in the heart of India...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • UI/UX Design
    • WordPress Website Design
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
  • We create exceptional tailor-made Website Design.

    Software Shrimps Inc is a dynamic digital marketing and development company dedicated to enhancing businesses' online presence...

    Top Services:

    • Design Services
    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Web Development
    • Show more
    Location
    League City, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/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
  • Here to Build.

    Working with Akveo Inc means you access a team renowned for Software Development excellence, from custom platforms to low-code solutions and advanced UI/UX. Clients trust our innovative approach to digital transformation, proven by 500+ successful projects across finance, healthcare, and eCommerce...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • Web Development
    • Software Testing
    • Show more
    Location
    Austin, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed
  • Digital Marketing Agency

    KARMA jack helps enterprise and multi-location brands unlock scalable growth through full-service marketing: websites, SEO, digital ads, and brand strategyall delivered with unmatched speed and a human-first approach...

    Top Services:

    • SEO
    • Advertising
    • PPC
    • Social Media Marketing
    • Digital Marketing
    • Show more
    Location
    Ferndale, Michigan
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Full service web design company with over 12 years of experience.

    We create a beautiful, and functional websites that help you stand out from the crowd...

    Top Services:

    • SEO
    • Graphic Design
    • Web Design
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Rockport, Texas
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Your Data-Driven Full Service Digital Marketing Agency.

    At Keach Agency, a full service digital marketing agency in the USA, we specialize in affordable and comprehensive digital solutions designed to enhance your business visibility and growth. From designing and developing user-friendly websites and mobile apps to delivering strategic online marketing campaigns...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Houston, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Ingenious Marketing Science & Design.

    Full-service marketing firm specializing in digital advertising, branding, strategy, UX/UI, SEO, design, SMM, SEM, online courses, video, podcasts and traditional advertising...

    Top Services:

    • Digital Services
    • Digital Marketing
    • Web Design
    • eCommerce
    • Branding
    • Show more
    Location
    Austin, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $1,000 - $10,000
  • Ignite What's Next

    Sparkware Solutions is a Virginia-based digital agency that helps small businesses grow faster, operate leaner, and scale smarter through strategic web development, AI-driven automation, and intelligent marketing systems...

    Top Services:

    • Digital Marketing
    • AI Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Richmond, Virginia
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Dominate The Digital SpaceWe Make It Happen!

    K2 Rankings Tech is a premier B2B digital marketing and web design agency based in the USA. We act as your brands ultimate power boost, turning complex digital challenges into measurable success. Specializing in advanced SEO, high-converting PPC campaigns, tailored WordPress/Shopify web design, and...

    Top Services:

    • Design Services
    • Web Design
    • Web Development
    • WordPress Website Design
    • Digital Marketing
    • Show more
    Location
    Austin, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • AI-Powered Websites, Apps & Growth Solutions

    Intelligent Web Crew is a Florida-based digital agency specializing in AI-powered websites, mobile apps, automation systems, SEO, Local SEO, Google Ads, and custom software development. We help businesses streamline operations, generate more leads, improve customer experiences, and accelerate growth through...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Development
    • SEO
    • Show more
    Location
    Orlando, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • We are not just another creative agency, we are a powerhouse of imagination, fueled by passion.

    With a rich tapestry of experience spanning over a decade, we've mastered the art of turning ideas into realities and visions into victories. From breathtaking branding campaigns to immersive digital experiences, we craft stories that resonate, designs that inspire, and strategies that succeed...

    Top Services:

    • Graphic Design
    • Video Production
    • Digital Strategy
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    Under $1,000
  • fieldservicepro

    FieldServicePro is an AI-native business suite for service and field service businesses. The platform helps teams manage leads, customers, jobs, scheduling, dispatch, technicians, estimates, invoices, payments, follow-ups and communication from one connected system. Built around the full lead-to-invoice...

    Top Services:

    • Product Design
    • Business Consulting
    • HR Outsourcing
    • Accounting
    • Customer Support
    • Show more
    Location
    Boca Raton, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    Under $1,000

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
17

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