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
627 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.
Active Logic is a premium custom software development agency with 100% US-based software engineers. We locally staff our offices with Senior Software Developers and we strive to deliver exceptional digital products through active communication and collaboration with our clients...
We're looking for businesses that need a strong online presence. You can expect your rebuilt or new website to utilize organic and paid SEO to reach search ranking goals, engage on social media platforms, run targeted online ads, deliver monthly blog posts, create valuable content for marketing, and leverage...
Salesforce, Hubspot, GoHighLevel, Web and Mobile App Development Services
Dean Infotech provides end-to-end, best and customised Salesforce and Hubspot CRM Development, Software Development, Website Designing & Development, and Mobile Apps Development. With a team of 100+ skilled professionals including developers, designers, and consultants possesses a deep understanding of the...
Expand, Sell, and Succeed with Our Tailored Digital Marketing
Danford Digital, based in Dallas, TX, is your full-service digital marketing partner, bringing innovative thinking and creative excellence to every online marketing project. We are dedicated to understanding your unique needs and believe in infusing a human touch into every digital campaign. With a commitment...
Ajroni is a full-service web design, web development, app development, SEO, and digital marketing agency developing custom, SEO-optimized and mobile-responsive websites and apps that drive traffic, sales, and business growth. Top-rated on Google & Clutch for delivering quality results...
Grazitti Interactive, a global leader in digital innovation, offering AI-driven solutions to drive customer success. We specialize in Salesforce, marketing automation, analytics, and more, partnering with industry giants to deliver results-oriented solutions for clients...
Invest In The Future of Healthcare Software Development
QSS Technosoft excels in healthcare mobile app development. We harness the latest in tech innovation, ensuring that our apps offer efficiency, personalization, and utmost convenience. With QSS Technosoft, you're not just getting a service; you're investing in the future of healthcare...
Vrinsoft is the most promising IT solution providing company, based in India which is a one-stop shop for all your business needs. We are a Microsoft certified IT company, which besides rendering professional and comprehensive business solutions also cater a range of services in mobile technologies...
TEDMOB is the top web, mobile app, and AI development company providing end-to-end digital solutions for enterprises, startups, and fast-growing companies across Lebanon, Saudi Arabia, UAE, and the wider Middle East...
Extraordinary Thoughts to Real World Possibilities
DelloFlix, LLC is a marketing, advertising, media, and entertainment agency offering expert services in branding, digital marketing, social media management, web design, video production, and advertising. We deliver innovative, results-driven solutions for businesses and high-profile clients...
XB Software is a custom software development company that helps businesses turn complex ideas, legacy systems, and even unstable AI-generated prototypes into reliable, scalable products.We specialize in building web and mobile applications, modernizing existing systems, and developing custom solutions for...
Ecom Gliders is a full-service Amazon growth agency helping brands scale with expert account management, PPC advertising, listing optimization, and complete e-commerce consulting. Since 2022, we've empowered sellers with tailored strategies, automation, and data-driven solutions to maximize visibility, boost...
WordSphere, one of the premier WordPress Design, Development & Management Comapanies. Specializes in building custom websites on WordPress - one of the world's trendy web platforms - at very reasonable market price...
Step into the spotlight with Marketing Trailblazer. In the ever-evolving world of marketing, it's easy to get lost in the noise. But with us, your brand's distinct story takes center stage. Through tailored strategies, we craft narratives that resonate, ensuring your message isn't just heard it leaves an...
TechBeta is a versatile agency providing web development and digital marketing services. We help businesses build and improve their online presence with a range of solutions for long-term growth...
VISIONEFX is a web design company headquartered in Virginia Beach, VA that provides professional website design to small business owners looking to enhance their business brand online...
We're a boutique digital marketing agency that gets straight to the point. We work with any budget, big or small, to deliver results. No fluff, no unnecessary jargon, just effective and tailored strategies to enhance your brands digital presence. Whether you're a small startup or a growing enterprise, we're...
Located in Coquitlam, Canada with an expanding office base across Metro Vancouver, Nirvana Canada is a digital boutique offering a comprehensive mix of website design & development, digital marketing, product development, branding, and everything in between...
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...
Exadel is a leading global consulting and engineering company that delivers technology transformation to help customers become digital leaders in their industries...
Spiral Mantra is one of the leading technology solution providers with deep expertise in data engineering and advanced analytics. We started in 2021 and are grateful to have served over 150 clients across startups, and global enterprises from our registered offices in USA & India...
Modern platforms. Reliable systems. Technology that delivers - Core of Continuity
Hubops is an IT solutions company that designs, develops, and elevates businesses' digital presence, with a focus on user-centric design and technological evolution to deliver high-quality products...
24 Years of Custom Software, CRM and IT Development
WaveAccess is a results-oriented company that delivers top-notch custom software and CRM development services to a wide range of emerging and established companies worldwide...
Web Design & Digital Marketing Agency Focused on Achieving Sustainable Success
Maximize is a results-driven web design and digital marketing agency that custom tailors the best strategies to help you achieve your goals. We combine creativity and technology to build websites and marketing strategies to make your business thrive in today’s competitive Internet marketplace...
A Trusted digital transformation partner of global enterprises with expertise in Native Web and Mobile Applications, AI & Machine Learning services hosted on AWS and Azure Cloud, and product implementations...
At Final Key Consulting, we offer a range of services tailored to assist you in starting, enhancing, and growing your business. With competitive pricing, we ensure value-driven solutions that meet your needs without compromising quality...
Vetted Devs On-Demand. Scale Team Fast, Risk-Free.
Hivex is an outstaffing company that offers a full software development lifecycle, from discovery to quality assurance. Our team of experts focuses on technology-intensive industries and stays up-to-date with the latest IT trends, providing the best solutions for companies worldwide...
We are a Custom Software Development company that intends to impart cost-effective software development that matches your business needs and timeframe. Solvios Technology has the capabilities and expertise to deliver performance-centric solutions...
Capital Numbers are an award-winning Digital Transformation and Engineering Firm offering end-to-end software development solutions to Enterprises, SMEs, Digital Agencies, and Startups worldwide. Pricing starts at $25/hour...
Success in BigCommerce Web Design with Real-World Expertise
MAK Digital Design brings a wealth of knowledge and expertise in BigCommerce web design. Drawing on our team's experience with running successful eCommerce businesses and working with top-tier enterprise-level providers, we stay ahead of the latest industry trends and strategies...
Mobisoft is an award winning technology-driven company that specializes in providing digital solutions and services to businesses worldwide. With a focus on digital innovation, Mobisoft aim to empower organizations through the strategic use of technology...
NTSprint helps U.S. businesses accelerate growth through AI-powered software, dedicated nearshore engineering teams, and scalable cloud solutions. With 10+ years of experience and 500+ projects delivered, we provide real-time collaboration, faster delivery, and measurable business impact...
Our Mission : To Deliver Integrated, Vibrant and Streamlined ѕоlutіоnѕ for clients across the Globe, By maintaining Honesty, Transparency, and Trust with fair margins...
Geeks for Growth stands as a comprehensive digital marketing powerhouse, serving a global clientele towards transformative potential of SEO, marketing, white labeling and print design. Our full-service offerings encompass brand design and marketing, resonating profoundly with businesses worldwide...
Leading Website Design & Development Agency For The Best Digital Experience
American Web Designers is a professional Web Design and Digital Marketing Agency. We excel in providing full services to our clients and helping them reach their full potential along with highly successful growth...
Based in Boston, MA, our agency of digital marketing experts provide website design, lead generation, SEM, email marketing, social media, creative services and technology integration. We specialize in working with clients in travel & tourism, healthcare, & technology sectors to grow their business, build...
Custom Software Development, Product Engineering & Digital Transformation
I-Verve Inc. specializes in custom software development, product engineering, and digital transformation to help businesses scale, automate, and innovate. With expertise in AI, cloud, and enterprise applications, we empower startups, SMBs, and enterprises to stay ahead in the evolving digital world...
Prox is a creative & digital growth agency inspiring 500+ global brands to make change feel possible. Combining creativity, technology, and strategy across the USA, UAE, UK, and Australia, we build brands, transform digital identities, and create digital experiences built for whats next...
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
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