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

9 Companies-Rankings updated: September 03, 2026

Every agency featured on DesignRush is vetted for expertise and client satisfaction to support your decision-making. Some listings may be sponsored.

United States × .Net Development × NFT × $10,000 - $25,000 ×Clear Filters
  • Your AI-powered Engineering Partner

    Our passion drives us to deliver as a full-service software development company, guiding global enterprises through digital transformation. Exceptional attention to detail distinguishes our handling of AI-driven solutions, data analytics, and enterprise automation for measurable results...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • Big Data Analytics
    • eCommerce Development
    • Show more
    Location
    Potomac, Maryland
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    69 Projects Listed

    Instinctools Services

    • Software Development
    • Web Development
    • Mobile App Development
    • Big Data Analytics
    • eCommerce Development
    • Product Design
    • AI Development
    • IT Services
    • ERP Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Swiss Red Cross
    • SAP
    • FUJITSU
    • BURDA DIGITAL
    • DAIMLER
    • VoxGen
    • Acrolinx
    • trimet
    • darwinapps
    • AT Consulting
    Data sourced from the agency's DesignRush profile

    Instinctools Reviews & Testimonials

    • Undisclosed
      Undisclosed Manager ITM/PSE - Procurement Systems Daimler AG at Daimler
      5.0

      Software Development Review from Undisclosed

      Daimler's new Global Buying System, GLOBUS, now features proficient web-based assistance and user support. The client opted for Instinctools' forward-thinking solution that catered to its requirements, especially in multilingual content, adaptability, and scalability. (Verified via email)

    • Edward Rimon
      Edward Rimon Product and Customer Experience Director at Retail company
      5.0

      Software Development Review from Edward Rimon

      The client hadn't realized how much of its data went unused, with nearly 90% of decisions made on barely half the data. But with Instinctools' business intelligence expertise and proactive approach, the client now makes decisions with greater confidence, drawing from a more comprehensive data set and quickly addressing new challenges. All tasks, and more, were efficiently handled by a tech-skilled and proactive team. (Verified via email)

    • Dr. Jonas Block
      Dr. Jonas Block Product Owner at Ipwe
      5.0

      Software Development Review from Dr. Jonas Block

      Instinctools' has the professionalism and flexibility that young companies need. Ipwe trusts the agency's tested workflow that integrates well with internal processes. The ability to quickly add experienced and valuable professionals without prolonged interviews is a major plus. Moreover, this team is full of interesting and kind people. (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Website & application development

    Promodex is your long-term digital partner. We deliver UI/UX design, front/back-end development, marketing (SEO, SMM, PPC), support, automation, and custom CRM/ERP solutions. 12+ years of experience. Need a turnkey solution? Lets talk!...

    Top Services:

    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Web Design
    • Mobile App Development
    • Show more
    Location
    Cheyenne, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    20 Projects Listed

    Promodex Services

    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Web Design
    • Mobile App Development
    • SEO
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Fleet Care
    • IT rating LTD
    • DVL Express
    • IT-Rating.com Inc.
    • ElmiraMedins S.L.
    • Unibox
    • SKY LINE RESORT DOO
    • SERVIRED SP. Z.O.O
    • PureMaids Inc.
    • Expertyco Sp.z o.o
    Data sourced from the agency's DesignRush profile

    Promodex Reviews & Testimonials

    • Oleksii Shapran
      Oleksii Shapran CEO at PioGroup
      5.0

      Web Development Review from Oleksii Shapran

      To create an online store that fully meets the needs of our business, we turned to Promodex. The main focus was on developing a modern and user-friendly design, creating intuitive functionality, as well as API development and AI implementation.A modern online store was created with a unique design, API integration, the introduction of artificial intelligence for personalization, optimization of all processes and ensuring stable operation, which led to increased efficiency of online sales and improved user experience.

    • Sergei Kolozenko
      Sergei Kolozenko CEO at Megasite
      5.0

      Web Development Review from Sergei Kolozenko

      We have been working with this company for a year and a half on internal projects of our company. During the entire period of work, there were no problems with the quality of work or with the timing of work. The assigned tasks are performed in accordance with the contract. Promodex has established itself as a proven and reliable contractor in the field of development and technical support of websites on cms opencart and wordpress.

    • Valeriia Donetskova
      Valeriia Donetskova Marketing Specialist at Inweb
      5.0

      Web Development Review from Valeriia Donetskova

      I am very pleased with the result of the work of the Promodex team on the development of our corporate website based on the Laravel framework. The development process was very efficient and professional. The team demonstrated in-depth knowledge and experience in working with Laravel, which allowed us to create a website with high performance, reliability and security.I would especially like to note the individual approach to our project and the willingness to take into account all our wishes and requirements. The developers were always in touch, promptly responded to our requests and listened attentively to our suggestions. Thanks to this, the cooperation process was as comfortable and effective as possible.The result of the work exceeded our expectations. We have received a high-quality, modern and functional website that perfectly meets our business needs. Many thanks to the Promodex team for their professionalism, creativity and high level of service. I recommend this company to anyone who is looking for a reliable partner for developing web projects based on the Laravel framework.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Delivering Innovative Technology Solutions

    Nevina Infotech is an award winning Mobile & Web Application development company serving clients across the globe. Our goal is to offer our clients innovative solutions. We are renowned for our expert level high tech custom Web App development, Mobile App development and digital marketing services...

    Top Services:

    • Web Development
    • Mobile App Development
    • eCommerce Development
    • Web Design
    • AI Development
    • Show more
    Location
    Decatur, Georgia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    31 Projects Listed

    Nevina Infotech Services

    • Web Development
    • Mobile App Development
    • eCommerce Development
    • Web Design
    • AI Development
    • IoT
    • Software Development
    • VR/AR
    • UI/UX Design
    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Statue of Unity
    • Brandz+
    • Terazio
    • QuickAppetit
    • Kadam Colors
    • GDS
    • SHERR
    • MusikTrip
    • Safety Cam
    • Excelsior
    Data sourced from the agency's DesignRush profile

    Nevina Infotech Reviews & Testimonials

    • Aishwarya Sridhar
      Aishwarya Sridhar CEO at Ctreepay
      5.0

      Mobile App Development Review from Aishwarya Sridhar

      I was initially looking to develop and app like Gpay and Nevina Infotech did the development for the same and then unfortunately as per the change in NPCI guidelines to have 10million active users to tpap license to enter into UPI payment gateway fintech app, then at that point we were stuck and then finally then we decided with to launch app we 3 services by collaboration with cashe and Riskcovry and mobikiwik to enter the market by helping customer which is called as TreePAY which is a simple and secure way to manage your money. You can use Treepay to do contactless payments. Treepay is a payment platform where you can pay your Utility Bills, avail Personal loans and Insurances.Their commitment level and vision towards making a quality product. Mr. Rahim Ladhani CEO is a visionary man and was only focused on quality product development. He educates properly to client all industries are not where cost effectiveness works few industries especially IT services custom software development industries need time and investment to develop a quality product and they are very transparent for the same since day. I would surely recommend nevina infotech private limited.

    • Ayaan Koradia
      Ayaan Koradia partner at Gujarat food industries
      4.8

      Android Review from Ayaan Koradia

      A very well made app, simple yet efficient.Satisfied with the prompt responses from the team and a very well understanding of the need of the customer.Highly recommended

    • Aniq Nurani
      Aniq Nurani Director at Kadam Chemicals Pvt.Ltd. at Kadam Chemicals Pvt.Ltd.
      5.0

      Web Development Review from Aniq Nurani

      Nevina Infotech provided web maintenance services for a consumer goods company. The team solved website's bugs and issues for the client, as well as integrate a new extension for the site. They were able to solve every bug from the client's site. The team went the extra mile by providing solutions and suggestions for the best server configuration. They are supportive, focused, and one call away every time an issue arises.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Zajno Crew

    Award WinnerRecipient of a Best Design Award for outstanding work.

    The Design and Development Studio That Translates Your Personality Through Digital Experiences

    Zajno is an international digital design and development studio. We translate your personality through digital experiences and even more. Our forte is to create unconventional websites and apps with cutting-edge custom graphics, photos, videos, and animations...

    Top Services:

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

    Zajno Crew Services

    • Web Design
    • UI/UX Design
    • Web Development
    • Product Design
    • Mobile App Development
    • WordPress Website Design
    • Branding
    • Design Services
    • Creative Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Huawei
    • Intel
    • Konux
    • Altruus
    • uMake
    • Enigma
    • Ringba
    • Altcoin
    • Maslo
    • BiomeSense
    Data sourced from the agency's DesignRush profile
  • Creating Stunning Web and Mobile Apps

    Cleveroad is a leading provider of web and mobile solutions that cater to diverse industries and budgets. With a global team of skilled IT professionals and expertise earned from developing 500+ custom apps, we offer end-to-end development services, UI/UX design, cloud-based solutions, and advanced...

    Top Services:

    • Software Development
    • Staff Augmentation
    • IoT
    • IT Services
    • Mobile App Development
    • Show more
    Location
    Claymont, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed

    Cleveroad Services

    • Software Development
    • Staff Augmentation
    • IoT
    • IT Services
    • Mobile App Development
    • Web Development
    • ERP Consulting
    • Web Design
    • AI Development
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • OpenMind
    • Cartogram
    • DPD
    • VirginAtlantic
    • Money Wiz
    • HSBC
    • Octopus Investments
    • BET3000
    Data sourced from the agency's DesignRush profile

    Cleveroad Reviews & Testimonials

    • Thomas Day
      Thomas Day Review from Google
      5.0

      Thomas Day's Review Sourced from Google

      We engaged with Cleveroad to develop a custom application that we use to support our customer events. From the beginning, the Cleveroad team worked as true partners to understand our needs and outcomes of the product. They worked in a predictable cadence and were a welcome extension of my team. I would highly recommend Cleveroad to anyone looking trusted software development partner.

    • Matt Needleman
      Matt Needleman Review from Google
      5.0

      Matt Needleman's Review Sourced from Google

      I have worked with Cleveroad for several years now. They helped me launch an App from scratch and I could not be happier with the results. They worked hard to understand and execute my vision and are incredibly responsive to customer needs. I highly recommend anyone needing App development to work with them.

    • Camila Romero
      Camila Romero Review from Google
      5.0

      Camila Romero's Review Sourced from Google

      Cleveroad's team is professional, responsive, and highly skilled. We've had a seamless experience collaborating with them. Their structured workflow and attention to detail make them a trusted development partner. Highly recommend!-Pagato team.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We Build Games That Players Love.

    Double Coconut is a San Franciscobased boutique game development studio founded in 2012. The agency specializes in full-service game design and co-developmentfrom casual mobile and web titles to casino, mid-core, and Web3 games. Their projects have reached over 5 million players and generated...

    Top Services:

    • Software Development
    • Web Design
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed

    Double Coconut Services

    • Software Development
    • Web Design
    • Mobile App Development
    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Microsoft
    • WB
    • Cartoon Network
    • Ellen Degeneres
    • MIT
    • IBM
    • SAP
    • iWin
    • Addicting Games
    • Penn Gaming
    Data sourced from the agency's DesignRush profile
  • Global AI, Blockchain & Custom Software Experts

    Bitsclan offers AI/ML, chatbots, AI agents automation, blockchain and custom software development services. Partner with top-rated developers and grow faster...

    Top Services:

    • eCommerce Development
    • AI Development
    • Blockchain
    • Software Development
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed

    Bitsclan IT Solutions Services

    • eCommerce Development
    • AI Development
    • Blockchain
    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • DevOps Consulting
    • IT Services
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Airdropja Inc
    • Netexem Inc
    • Fennecvoyage
    • Fizz District
    Data sourced from the agency's DesignRush profile

    Bitsclan IT Solutions Reviews & Testimonials

    • Awais Tufail
      Awais Tufail Review from Google
      5.0

      Awais Tufail's Review Sourced from Google

      A Good place to place your IT Requirements and they will surely finish it by completing it and reaching to its end.

    • talha abdalli
      talha abdalli Review from Google
      5.0

      talha abdalli's Review Sourced from Google

      Excellent company. People are great there. I have known them since their early days and honestly I've to say these guys did a great job in making their mark in the software industry.

    • Azeem Yousaf
      Azeem Yousaf Review from Google
      4.0

      Azeem Yousaf's Review Sourced from Google

      It was amazing. Their service is fast, Quality is best, product is relaible and it all cost a few Dollars.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Design! Develop! Decentralize!

    Blocktunix distinguishes itself as a leading blockchain development company, recognized for its excellence in the field. Our team of highly skilled and adept blockchain developers ensures the consistent delivery of robust and dependable blockchain solutions...

    Top Services:

    • Blockchain
    • AI Development
    • Software Development
    • Mobile App Development
    • IoT
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed

    Blocktunix Services

    • Blockchain
    • AI Development
    • Software Development
    • Mobile App Development
    • IoT
    • VR/AR
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Blockestate
    • Celloux
    • APZ-Sign
    • Beacon Boxx
    Data sourced from the agency's DesignRush profile

    Blocktunix Reviews & Testimonials

    • ammy ammy
      ammy ammy Review from Google
      5.0

      ammy ammy's Review Sourced from Google

      I had an outstanding experience as a client of Blocktunix. Their expertise in developing on the Stellar blockchain was evident from the start, with clear and transparent communication throughout the project. The team's technical skills delivered robust and secure solutions, making the integration process smooth. Their commitment to customer satisfaction and exceptional support set them apart in the blockchain development space. I highly recommend blocktunix to anyone seeking top-quality blockchain solutions.

    • rajeev dh
      rajeev dh Review from Google
      5.0

      rajeev dh's Review Sourced from Google

      I had the pleasure of working with Blocktunix, and I must say they are a phenomenal blockchain development company. Their expertise in the field is truly commendable. From the outset, their team demonstrated a deep understanding of blockchain technology and its potential for revolutionizing businesses.Blocktunix exceeded all my expectations by delivering a custom blockchain solution tailored precisely to our unique business requirements. Their approach to problem-solving was meticulous, and they took the time to understand our specific needs, resulting in a seamless and efficient solution.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Powering Innovation. Enabling Change.

    From design to deployment, Claritus delivers secure, scalable, and user-friendly applications backed by 24/7 support...

    Top Services:

    • Web Development
    • Mobile App Development
    • DevOps Consulting
    • Cloud Consulting
    • IT Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000

    Claritus Consulting Services

    • Web Development
    • Mobile App Development
    • DevOps Consulting
    • Cloud Consulting
    • IT Services
    • Managed Services
    • Staff Augmentation
    • Software Development
    • AI Development
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Blue Star
    • ValuePros
    • EnVue Telematics, LLC
    • Aussie Chook Supplies
    Data sourced from the agency's DesignRush profile

    Claritus Consulting Reviews & Testimonials

    • Abhijeet Uniyal
      Abhijeet Uniyal Review from Google
      5.0

      Abhijeet Uniyal's Review Sourced from Google

      Interview process was very goodGave interview for the post of recruitment profileFirst round went wellAnd, the lady who took my first round of interview was behaving in a very polite and convenient mannerThe second was with one of the guy who told me about the company's process including it's clients and the services they are offering to the clientsAnd, in the end of the second round, the interviewer gave the feedback in a very positive manner that first time I have talked with you so much as I have never talked with any of the candidates before came for the interview and he really liked my confidence and my way of talking and presenting myself in the interviewThe third round was with one mam who asked very relevant questions related to my education qualifications and my past experiences so far in my ex organizationsAnd, I also liked the behaviour of the mam who took my last round of interview because the way she was taking my interview in that manner that no one hasn't taken this type of interview before in any of the companyThis organization is basically a consulting firmAnd, the good thing about is that they have 5 days working policyIf you are applying for the recruiter position in this organization, make sure that you should have relevant experience in that domain and also you should focus on your communication and presentation skills because in interview, they will mostly check your communication skills only and secondly, your experience whatever the work you have done in your past organizations beforeThe nearest metro station to this place is Noida Sector 16 as this place is located very close to the metro station in A block itself

    • Mehak Khanna
      Mehak Khanna Review from Google
      5.0

      Mehak Khanna's Review Sourced from Google

      Claritus Consulting offers a collaborative culture, supportive team, and strong focus on work-life balance—ideal for professional growth.

    • Rahul Gupta
      Rahul Gupta Review from Google
      5.0

      Rahul Gupta's Review Sourced from Google

      I am blessed working with Claritus as it helps me to grow up in the market like learning new technology, getting certified courses and also providing opportunities to work with international clients.The managers have helping nature as they always provide opportunities to prove yourself.HR Team is very polite for all in the company, always ready to help and makes environment of the company interactive.

    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 

ReceiveFreeProposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner