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

7 Companies - Rankings updated: September 04, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

.Net
Recreation & Travel
$10,000 - $25,000
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  • Linkup ST

    Award Winner Recipient of a Best Design Award for outstanding work.

    The Result that Matters

    At Linkup ST, we design digital experiences that make your product instantly clear to customers and move them to act. Every decision is grounded in a structured emotional-functional framework, ensuring your product is understood, trusted, and built to convert...

    Top Services:

    • Product Design
    • Web Design
    • UI/UX Design
    • Branding
    • Software Development
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    33 Projects Listed

    Linkup ST Services

    • Product Design
    • Web Design
    • UI/UX Design
    • Branding
    • Software Development
    • Mobile App Development
    • AI Development
    • Digital Marketing
    • Video Marketing
    • Digital Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bosch
    • Reverso
    • Porshe
    • FREESTONE
    • Impactive
    • OMG (Boba) Network
    • Snagshout
    • STQRY
    • Nutty Party
    • Wisio
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Debut Infotech

    Verified Verified by the DesignRush team for authenticity and credibility.

    AI-Powered Innovation, Delivered

    Debut Infotech is a leader in advanced technological solutions, specializing in AI, Blockchain, Smart Contracts, IoT, and mobile and web development...

    Top Services:

    • AI Development
    • Web Development
    • Blockchain
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Springfield, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    17 Projects Listed

    Debut Infotech Services

    • AI Development
    • Web Development
    • Blockchain
    • Mobile App Development
    • Software Development
    • Software Testing
    • Cloud Consulting
    • Business Consulting
    • IT Services
    • Wearables
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Nordic Strong
    • WellPoP
    • Aithentic
    • NDAX
    • PRC Coin
    • P2B
    • Best Western
    • Unique School
    • Integra Ledger
    • Friendspire
    Data sourced from the agency's DesignRush profile

    Debut Infotech Reviews & Testimonials

    • James Carter
      James Carter Review from Google
      5.0 ★

      James Carter's Review Sourced from Google

      Our company aimed to launch a trading platform but struggled with security planning and system performance. Debut Infotech supported us with crypto exchange development services using Node.js, blockchain integration, and secure wallet APIs. Their solution helped us deploy a stable exchange environment with improved transaction handling.

    • Andrew Ethan R.
      Andrew Ethan R. Review from Google
      5.0 ★

      Andrew Ethan R.'s Review Sourced from Google

      Debut Infotech efficiently addressed the performance and scalability challenges in our mobile app. They quickly diagnosed the issues and delivered a stable solution using up-to-date development tools. The project was completed on time with clear communication throughout.

    • Blunt David
      Blunt David Review from Google
      5.0 ★

      Blunt David's Review Sourced from Google

      I had the pleasure of working with Debut Infotech for DeFi development, and I am extremely satisfied with their expertise and service. Their team utilized a comprehensive suite of tools, including smart contract generators, DeFi protocol integrators, and liquidity pool management tools, all of which streamlined the development process. They not only helped us build secure and scalable decentralized finance solutions, but also provided automated yield farming and staking platforms that significantly boosted user engagement. Their focus on security, with built-in auditing tools, gave me confidence throughout the project. I highly recommend Debut Infotech to anyone looking for reliable, efficient, and innovative DeFi development.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    5.0 5.0 (17)

  • Digital Mettle, LLC

    Custom Software Solutions

    Using our software solutions, our clients make smarter decisions, streamline operations, and launch scalable products tailored to their industries. Digital Mettle blends deep technical expertise with a collaborative approach, delivering custom-built tools that solve real-world problems from automation and...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • WordPress Website Design
    • Show more
    Location
    Raleigh , North Carolina
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed

    Digital Mettle, LLC Services

    • Software Development
    • Mobile App Development
    • AI Development
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Inveniv
    • Special Olympics NC
    • Women in Aviation International
    • Giles Flythe Engineers
    • Simple Certified Mail
    • SimpleView
    • Applied Research Associates
    • Kay Yow Cancer Fund
    • Destinations International
    • National Apartment Association
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile
    5.0 5.0 (1)

  • Tensho Labs LLC

    Engineering Tailored, High-Performance Software

    Tensho Labs is an international software studio specializing in building intelligent , scalable and design driven digital products. From AI powered SAAS platforms to tools and systems to support the most intricate business processes...

    Top Services:

    • Software Development
    • Web Design
    • Web Development
    Location
    Atlanta, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed

    Tensho Labs LLC Services

    • Software Development
    • Web Design
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • NesqualTech
    • Castello de Ristonchi
    • Autoform
    • Geibl Pools
    • Teamstars
    • Toe-Paz
    • Intergated Academic Forum
    • Fitness Finder
    • WonderWine
    Data sourced from the agency's DesignRush profile

    Tensho Labs LLC Reviews & Testimonials

    • Aashiq Ahmed
      Aashiq Ahmed Founder and CEO at Calcera Global
      5.0 ★

      Outsourcing Review from Aashiq Ahmed

      Tensho Labs LLC delivered high-quality software with a strong focus on performance, scalability, and long-term maintainability. Their engineering approach is structured and thoughtful, with clear attention to understanding requirements before implementation rather than rushing into development. Communication was consistent and professional throughout the project. The team was responsive to feedback, proactive in highlighting risks or improvements, and transparent about timelines and technical decisions. Deliverables were completed on schedule, and any changes or refinements were handled efficiently without compromising quality. From an engineering perspective, their solutions were well-architected, cleanly implemented, and aligned with best practices. While pricing reflects the level of expertise and customization involved, the value delivered justifies the cost. Overall, Tensho Labs is a reliable partner for organizations looking for tailored, high-performance software solutions, and I would confidently recommend them for complex or mission-critical projects.

    • Teo Hentzschel
      Teo Hentzschel Founder at Sinn + System
      4.8 ★

      Web Development Review from Teo Hentzschel

      It's always a pleasure working with the team of Tensho Labs. I really like their drive and their willingness to improve existing ideas and concepts. In the end, they always deliver in high quality and the communication during projects is super fast and friendly. I highly recommend them.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.4 4.4 (2)

  • imaga

    When UX & AI Both Matter

    Our PORTFOLIO INCLUDES marketplaces, e-commerce, workflow automations, AI assistants, corporate websites, banking apps, data warehouse initiatives, and more...

    Top Services:

    • AI Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • Show more
    Location
    San Mateo, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $37/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed

    imaga Services

    • AI Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Cayala
    • Halo
    • Zayn
    • Matrixsoft
    • Megapolis
    • XDS Astana Team
    • AeroCity
    • AKFA Group
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • XeoDev

    Innovative Ideas That Have Yet to Be Discovered

    XeoDev is a full service chatbot solution, AI, web, apps & software development agency. several of our clients are in the start up or next stage of growth...

    Top Services:

    • Product Design
    • Web Design
    • Mobile App Development
    • Web Development
    • Software Development
    • Show more
    Location
    Orlando, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed

    XeoDev Services

    • Product Design
    • Web Design
    • Mobile App Development
    • Web Development
    • Software Development
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • SpendLogic
    • College Fit Finder
    • Taktik Enterprises
    • Foffit
    • Domain Homes
    • Skyline Animal Hospital
    • Coptic Orthodox Diocese of the Southern USA
    • MrSorter
    Data sourced from the agency's DesignRush profile

    XeoDev Reviews & Testimonials

    • Daisy Garcia
      Daisy Garcia Review from Google
      5.0 ★

      Daisy Garcia's Review Sourced from Google

      The team at XEODEV is awesome. They built a custom system based on my needs for our company. They kept me in the loop the entire time and made sure to keep it on track to get it done in a timely manner. The response time is also a plus when ever I have a question or issue.

    • David Mock
      David Mock Review from Google
      5.0 ★

      David Mock's Review Sourced from Google

      Ray Fanous and his XeoDev team worked tirelessly and patiently with us to create an extremely professional website from beginning to end. They were very organized, professional and their communication was very good throughout the entire process. We encourage you to strongly consider XeoDev for any web development needs.

    • mina rimon
      mina rimon Review from Google
      5.0 ★

      mina rimon's Review Sourced from Google

      I had the pleasure of collaborating with XeoDev to create an eCommerce website for my business. Their team is incredibly skilled and a joy to work with. Additionally, their pricing is very reasonable.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    5.0 5.0 (29)

  • Innostax

    AI-augmented development for ambitious product teams.

    Innostax is a custom software development and IT staff augmentation company with 100+ engineers in Framingham, MA (US) and Gurugram, India. Since 2013, we've partnered with product companies and enterprises globally delivering scalable software and dedicated remote teams powered by AI-augmented deve...

    Top Services:

    • Web Development
    • Web Design
    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • Show more
    Location
    Framingham, Massachusetts
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000

    Innostax Services

    • Web Development
    • Web Design
    • Software Development
    • Mobile App Development
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Autodesk
    • Bancstac
    • Travelstart
    • Club Travel
    • Nuw Wardrobe
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile
    5.0 5.0 (1)

Related Software Development Specializations in the US

Popular Services

Why People Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding .NET development companies in the United States. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

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Learn more about DesignRush Agency Ranking Methodology.

Sources

DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

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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