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

5 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 × Recreation & Travel × Under $1,000 ×Clear Filters
  • Top AI, IoT, SaaS, Mobile App & Software Development Company

    Kuchoriya TechSoft is a leading AI, IoT, Mobile App & Website Development, Digital Marketing, and Remote Engineers company, delivering innovative, scalable, and secure digital solutions with a strong focus on quality and emerging technologies...

    Top Services:

    • Mobile App Development
    • Software Development
    • Blockchain
    • Staff Augmentation
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    9 Projects Listed

    Kuchoriya TechSoft Services

    • Mobile App Development
    • Software Development
    • Blockchain
    • Staff Augmentation
    • Web Development
    • WordPress Website Design
    • IT Services
    • SEO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Drafterkings
    • CSI International
    • Quantum Edge
    • Seeking arrangement
    • Platerate
    • Travelbet
    • BP Correct
    • Ridecare (Insurance & Finance)
    • Write4joy
    • Ozobi (Travel & Tourism)
    Data sourced from the agency's DesignRush profile

    Kuchoriya TechSoft Reviews & Testimonials

    • Chirag Rander
      Chirag Rander Associate Business Analyst at Infodesk
      5.0

      Mobile App Development Review from Chirag Rander

      Our client's real estate business faced challenges with lead management, property matching, customer engagement, and time-consuming manual processes. The AI development solutions transformed our operations by automating lead qualification, delivering intelligent property recommendations, and providing real-time market analytics. These AI-powered real estate solutions improved decision-making, increased lead conversions, enhanced customer experiences, and streamlined workflow efficiency. Their expertise in AI development for the real estate industry helped us drive business growth, reduce operational costs, and stay competitive in a rapidly evolving digital market.

    • Ziv Lev
      Ziv Lev CEO at Medcon Solutions Ltd
      5.0

      Software Development Review from Ziv Lev

      Kuchoriya Techsoft has proven to be a top-tier HIPAA-compliant telemedicine and healthcare communication platform development company, delivering secure, scalable and high efficient digital healthcare solutions. Their deep understanding of healthcare regulations, combined with strong expertise in telemedicine, EHR/EMR integrations, and secure patient-doctor communication systems, sets them apart in the industry. The team consistently delivers high quality products with robust data security, seamleass user experience and advance features tailored to modern healthcare needs. their proactive approach, transparent communication and commitment to timelines make them a reliable technology partner for healthcare organization to build compliant and future ready telehealth platforms.

    • Abhishek Sharma
      Abhishek Sharma Senior Consultant + Sr. Business Analyst at Capgemini
      5.0

      Mobile App Development Review from Abhishek Sharma

      As a business owner, I can confidently say that this is the best car rental app development company in the USA. They delivered an exceptional solution tailored to our needs, demonstrating deep industry knowledge and expertise. The team was incredibly responsive, professional, and proactive throughout the entire development process, ensuring all our requirements were met. The final product exceeded our expectations in terms of design, functionality, and user experience. Their commitment to quality and attention to detail has truly set them apart, and I highly recommend their services for anyone looking for top-notch car rental app development.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • The Digital Marketing Advantage

    We are a Lancaster, Pennsylvania-based digital marketing firm that uses powerful design, compelling content, thoughtful functionality, and proven internet marketing techniques to improve our clients' site rankings, traffic, and lead generation...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Content Marketing
    • Web Design
    • Show more
    Location
    Conestoga, Pennsylvania
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    Under $1,000

    Sharp Innovations, Inc. Services

    • Digital Marketing
    • SEO
    • PPC
    • Content Marketing
    • Web Design
    • Software Development
    • eCommerce
    • Social Media Marketing
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Diakon
    • Saf-Gard
    • Barrier Reef Pools
    • Verrica Pharmaceuticals
    • R&K Subs
    • Phoenix Courier, Ltd.
    • Impact Education
    • Computer Insights
    • Cupolas Direct and US Gun Cabinets
    • Gettysburg Battlefield Tours
    Data sourced from the agency's DesignRush profile

    Sharp Innovations, Inc. Reviews & Testimonials

    • Savannah Ashmore
      Savannah Ashmore Review from Google
      5.0

      Savannah Ashmore's Review Sourced from Google

      The team at Sharp Innovations is so supportive and talented. Their attention to detail and dedication to create a product that meets your wants and needs is unmatched. Working with them going on a year now, I am so grateful for them and have an amazing website to show for it as well.

    • Spencer Johnston
      Spencer Johnston Review from Google
      5.0

      Spencer Johnston's Review Sourced from Google

      Sharp Innovations is a great company that helped me design and maintain our custom web based inventory & repair program. I highly recommend using this company.

    • Daniel Kreider
      Daniel Kreider Review from Google
      5.0

      Daniel Kreider's Review Sourced from Google

      The development team at Sharp Innovations is great to work with. We needed a custom solution to run on an existing WordPress site. They paid attention to details, made sure they understanded what we wanted, and delivered!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Leading App and Web Development Company For Your Business

    SunTech Applications provides a comprehensive range of digital transformation and technology services, guiding international clientele from initial conceptualization through to effective implementation, thereby empowering them to surpass their competitors...

    Top Services:

    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Software Development
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed

    SunTech Applications Services

    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Software Development
    • Mobile App Development
    • Digital Marketing
    • SEO
    • Design Services
    • Graphic Design
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Board Shorts
    • Nirvana
    • Menamove
    • PragmaX
    • Donate Wealth
    Data sourced from the agency's DesignRush profile
  • Enhance Your Companys Online Identity.

    OooWee Business Solutions, founded in 2024 and based in Stockton, California, is a boutique digital marketing and software development agency serving small to midsize businesses. The firm delivers full-cycle solutions including account management, SEO, custom web and mobile apps, AI-powered lead generation...

    Top Services:

    • Design Services
    • Digital Strategy
    • Web Design
    • Web Development
    • Social Media Marketing
    • Show more
    Location
    Stockton, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000

    OooWee LLC Services

    • Design Services
    • Digital Strategy
    • Web Design
    • Web Development
    • Social Media Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • MyFitnessPal
    • Steam Points
    • Sail Me
    • Lemonade
    • MetaVRse
    • Lodi Bowling Bar and Lounge
    • MOOi Concept Store
    • NOBULL
    • Boostr
    Data sourced from the agency's DesignRush profile
  • Building Digital Growth.

    At LN Solutions , our mission is simple: to empower businesses with the tools and strategies they need to succeed online. Whether it's creating stunning websites, implementing effective digital marketing campaigns, or developing custom software solutions, we are here to help our clients achieve their goals...

    Top Services:

    • Digital Services
    • Web Development
    • Social Media Marketing
    • eCommerce
    • AI Development
    • Show more
    Location
    Schaumburg, Illinois
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000

    LN Solutions Services

    • Digital Services
    • Web Development
    • Social Media Marketing
    • eCommerce
    • AI Development
    • Software Development
    • Mobile App Development
    • Software Testing
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Modus Tech
    • PatentOAResponse
    • Shah Trading Company
    • Mark Distributor
    • Gokul Wholesale
    • SP Inventory
    • Huntley Crossing Luxury Apartments
    • Patel Jewelers
    • Luv2Smoke
    • Armanetti's Wine and Spirit Huntley
    Data sourced from the agency's DesignRush profile

    LN Solutions Reviews & Testimonials

    • Bob patel
      Bob patel Review from Google
      5.0

      Bob patel's Review Sourced from Google

      Great digital marketing service for my hotel and liquor store.had a wonderful experience with the whole team.highly recommended for social media marketing

    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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