Collaborate with top .NET development companies in the United States to modernize, streamline, and scale your systems through custom .NET development.
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.
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
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- Location
- Cheyenne, Wyoming
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 20 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsPromodex Services
Data sourced from the agency's DesignRush profileFleet 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
Promodex Reviews & Testimonials
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.
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.
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 ReviewsArtistic Designs - Creative Concepts
We at ARTICON (Custom Design Agency) believe and respect this proverb because we are in the business of creativity and ideas. We are here to create a GREAT First impression of our clients for their customers through our highly creative and unique presentations through our designs...
Top Services:
- Logo Design
- Web Design
- eCommerce Development
- Branding
- Mobile App Development
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- Location
- Dallas, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 28 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsArticon Services
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Articon Reviews & Testimonials
Web Design Review from Faisal Ayub
I used Articon and Mr. Saad was very cooperative and understanding. I am very satisfied with my website development TEXASLEDSIGNAGE.com and I would definitely use him for future business.
Small Business Review from Kara McFarlane
Had [a] great experience and got everything done I wanted for [the] small business website and logo, with great response time! (Verified via email)
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsWe Live & Breath Shopify
eCommerce Republic is a premier eCommerce transformation partner, delivering scalable commerce platforms and high-impact digital retail experiences. We specialize in helping brands thrive online through precision engineering, design excellence, and performance marketing...
Top Services:
- eCommerce Development
- Digital Services
- Graphic Design
- Branding
- Web Design
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- Location
- New Hyde Park, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 41 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountseCommerce Republic Services
Data sourced from the agency's DesignRush profileApothem Designer Optics frankie4 BUYSENSICA ETICOS GALFER EYE WEAR GETLOTZA GROUNDEDSHAKES JUNO HOUSING KAVEHOME
Top Global Mobile Development Studio
We are Horus Studio, a Global Mobile Development Studio passionate about creating cutting-edge apps using .NET MAUI, Flutter and Uno Platform...
Top Services:
- Mobile App Development
- Software Development
- IoT
- UI/UX Design
- Product Design
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- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsHorus Services
Data sourced from the agency's DesignRush profileSwedlock Farmashop Innomind Uno Platform PowerPlus Sweatworks VBC Finders 365 ID UxDivers MyPass
Making Your Digital Easier
Working Weekends is a global Shopify Partner e-commerce agency helping brands design, build, and scale high-converting online stores. We specialize in custom Shopify development, UI/UX, CRO, SEO, and performance marketing to drive measurable growth. With teams across India, Dubai, and the US, we work with...
Top Services:
- Web Development
- eCommerce Development
- Digital Marketing
- SEO
- CRO
- Show more
- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsWorking Weekends Services
Data sourced from the agency's DesignRush profileGo Off Road Barnsley Goshwara SuperYou MDNancy Cosmic Palms Revival Rugs
Working Weekends Reviews & Testimonials
asad aamir's Review Sourced from Google
Working Weekends did an incredible job building my toy store! Their creativity and attention to detail exceeded my expectations. Highly recommend their services!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsYour Solution Partner For The Digital Age!
At BCS Tech, we offer premium web design and marketing services tailored to elevate your brand. Specializing in custom website development and targeted marketing campaigns, we craft solutions that connect with your audience and drive results...
Top Services:
- Web Design
- Branding
- Digital Marketing
- IoT
- Mobile App Development
- Show more
- Location
- Houston, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $250/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsBCS Tech Services
Data sourced from the agency's DesignRush profileAyrshire Farm Imperial Jewelry Co. Limitless Entertainment Solomon Law Group
Grow with Technology.
We have a Team of 100+ Skilled App Developers who thrive on rolling up their sleeves and solving your IT problems and meeting your business needs like APP Development, Software Development, Cloud Consulting, Generative AI Development, Cyber Security Services, Custom ERP Software Development, and Web...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- Blockchain
- Software Testing
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- Location
- Irvine, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsNextOlive Services
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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
- Examine the agency’s service range and technical proficiency, especially in related technologies like ASP.NET, MVC, and Web API
- Identify if the agency has case studies and portfolios on projects similar to yours
- Read the agency’s positive and negative client reviews to assess its customer service strengths and weaknesses
- Seek out awards, recognitions, and certifications
- Send a request for proposal (RFP) to your top 5-8 candidates
- Schedule an introductory meeting and inquire about security measurements, IP rights, and development approach
- 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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