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
939 Companies-Rankings updated: September 05, 2026
DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.
Established in 2002 in the USA, ObjectStyle stands as a distinguished software technology company. We are dedicated to offering comprehensive end-to-end IT services that encompass a wide spectrum of solutions. Our expertise spans various domains, ranging from web design and mobile app development to IT...
VerifiedVerified by the DesignRush team for authenticity and credibility.
Award-Winning Demand Generation Agency
Award-Winning Demand Generation Agency
Valasys Media is a highly acclaimed and award-winning Inc. 5000 vetted Lead Generation agency known for ABM, CS, MQL, HQL, BANT campaigns. Our full-funnel services include touch points like programmatic media buying, LinkedIn ads, Email Marketing, Tele-touch and Intent-based ABM building...
Multidisciplinary Digital Agency with more than 14 years of experience developing innovative platforms for digital transformation. Regardless of whether you are a startup, freelancer or company, our mission is to make users fall in love with web design , online store design or app development . Therefore...
Intellibeans Technologies, a leading outsourcing company, offers a diverse array of digital solutions designed to propel your business to new heights. From web development and e-commerce solutions to app development and digital marketing, we are your pathway to success in the digital landscape. Collaborate...
Digital marketing agency in Kennesaw, GA, serving clients in the USA. We offer web design, SEO, GEO, AEO, local SEO, PPC advertising, content marketing, and related services. Our competitive advantage is over 45 years sales and marketing experience (25+ years digital). No foreign outsourcing...
Since 1973, General Digital has provided unparalleled software development & testing services for safety-critical applications including aviation, medical, industrial, defense, and other industries...
With a global presence in New York, Dubai, and Kyiv, RFO Solutions stands as a premier agent of innovation in the tech world. Our spectrum of offerings includes tailored software development, expert team augmentation, and insightful consulting services, all designed to empower your digital journey.We...
We help startups and enterprises to drive digital engineering initiatives by helping them provide a rich, seamless experience to their customers across digital channels resulting in higher engagement, efficiency, and profitability...
iQuasar, a Northern Virginia tech leader with 20+ years of experience, specializes in Software Development, AI Integration, Web & App Development, Software Team Augmentation & More. We hold an A+ BBB rating, are verified on Clutch, and have a 97% Customer Satisfaction Rating by Dun & Bradstreet...
We collaborate with businesses that want to bolster the technical teams they already have on staff to create online, mobile, and desktop applications...
The Builders Agency believes great marketing starts with understanding the business behind it. We partner with contractors to uncover opportunities, solve growth challenges, and turn marketing into a meaningful part of building a stronger business...
A fast-growing team of passionate techies making a big mark in the digital services realm. Driven by unmatched talent and determination, we aim to push boundaries, redefine norms, and pave the way for innovative excellence...
AlfaMedia is a Miami-based software and web development agency specializing in eCommerce, custom SaaS, WordPress, and Shopify solutions. We build scalable, secure platforms and high-performing apps for startups, enterprises, and government agencies alike. We combine strong UI/UX, robust integrations, and...
Assistanova is a California-based digital marketing agency specializing in SEO, web design, content creation, ppc, and motion graphics. We deliver tailored strategies to help businesses thrive online with innovative solutions and measurable results...
Established in 2020, Red Feather Solutions is your go-to partner for Advanced IT Solutions. With a dynamic team and a commitment to excellence, We turn concepts into accomplishments, delivering innovative and personalized solutions that propel businesses forward...
6sense HQ offers custom software solutions for businesses of all sizes, providing expert services in web development, managed delivery, custom software development, dedicated team options and UX design. With a proven track record of delivering top-quality solutions, our experienced team is committed to...
R9 Digital Marketing and Consulting is here to help with your digital needs. From creating Facebook ad campaigns, Google search campaigns, SEO, building a website that works on the front end and back end, we are here for you...
Pacific Northwest Software provides contract software consulting. We make sure we understand our customers business so that we can provide the IT solutions as inexpensively as possible...
Colan Infotech is a CMMI Level 3 accredited IT services company specializing in custom software development, enterprise solutions, AI-driven applications, and digital transformation strategies. With over 15 years of industry expertise, we empower businesses with agile, scalable, and cost-effective solutions...
Empowering Businesses with Technology Solutions and Talent
Empowering Businesses with Technology Solutions and Talent
Techsila LLC, led by an experienced CEO with 18+ years in software development, stands out for its innovation, comprehensive services, global reach, and client-centricity. We offer cutting-edge solutions spanning web and mobile app development, AI, and more. Our staffing solutions provide access to top...
Sheridan Technologies is a renowned company specializing in software, hardware and product development services. Sheridan Technologies is committed to delivering unparalleled results that surpass your expectations...
Krify is a global tech company specializing in mobile apps, web development, and digital solutions. With a presence in India, the UK, and the USA, Krify delivers scalable, user focused products backed by a skilled team and a commitment to quality and innovation...
For over 25 years, OmniSpear has delivered custom web, mobile, and e-commerce solutions, helping businesses streamline operations, boost efficiency, and drive growth across industries...
Digital Health Product Development, Data Analytics, and AI
Digital Health Product Development, Data Analytics, and AI
Estenda is a custom software development, data analytics, and AI firm focused on digital health. For 20+ years, Estenda has created award winning innovate software solutions for our customers combining our deep understanding of digital health, software development, data analytics, and AI expertise...
At Scrumfish, our commitment to excellence is unwavering. We steadfastly uphold the highest standards of quality and consistently deliver tangible results that significantly enhance our clients' bottom-line performance. With our enterprise architecture software, we catalyze transformation within...
At Specter, we're not just technologists - we are problem solvers. As a boutique agency with a team of highly specialized pros, we can give your business the dedicated attention it deserves and manage all the tech your business could ever need...
Generative AI Development Company: AI Solutions for Startups and Enterprises. In the fast-paced world of 2024, RedBlink stands at the forefront of the AI revolution, transforming ideas into reality with cutting-edge AI-driven development...
Burhani Media Solutions is a dynamic digital agency specializing in creative design, motion graphics, and media production, delivering innovative visual solutions for brands and businesses...
Vitek Technology LLC is a leading group of technology experts specializing in delivering innovative SaaS solutions, comprehensive project management, and strategic consulting services. Our expertise also extends to encompassing top-tier Web and App design, seamless integration solutions, and reliable hosting...
Fineart Design Agency, a leading design agency in Canada, is passionate about creating the best user experience possible and exceeding your expectations. From ideation to launch, we are dedicated to delivering impeccable solutions that align with your development goals...
We are a leading software development company with extensive experience in building custom enterprise systems, mobile applications and stunning websites. We have been helping global businesses and startups in adopting cutting-edge technology into their business strategies and developing profitable digital...
With more than 12 years of experience, COMPU-VISION provides you with a team of experts in each field of information technology, from website, mobile application UI/UX and development, software solutions, artificial intelligence to IT consultancy...
Cheric Information Network Technologies PVT LTD specializes in dynamic digital marketing services designed to catapult your business growth and elevate your online presence. With our expertise and tailored strategies, we empower businesses to thrive in the digital landscape and achieve unprecedented success...
Growth Acceleration Partners (GAP) is a leading technology firm that offers a comprehensive range of services designed to help businesses achieve accelerated growth through innovative solutions such as Hadoop consulting...
Mighty Citizen is a creative agency that transforms mission-driven organizations through branding, marketing, and digital communications. They help nonprofits, associations, universities, and governments increase their impact and revenue by creating deeper connections with their audiences using data and...
A professional Digital Marketing Agency with a dedicated focus on Pay-Per-Click (PPC) campaigns and website optimization. We excel at catalyzing Digital Success by crafting Compelling Content, Striking Visuals, and Interactive Interfaces, resulting in an unmatched level of Engagement and Growth...
Arccus is a leading digital agency delivering cutting-edge mobile apps, responsive websites, custom ERP solutions, and AI-driven automation. We partner with startups, enterprises, and governments to design and build scalable, smart technology that drives growth and digital transformation...
Ingenious is a digital product design and development firm specializing in creating successful digital healthcare products. We help our clients design and develop custom software by providing dedicated teams to craft products from concept idea to launch or by augmenting their existing engineering teams with...
With a wealth of experience as WooCommerce developers, we specialize in offering a diverse array of services meticulously crafted to enhance your digital presence and drive exceptional outcomes...
Shopify Plus & Headless Commerce Agency for DTC Brands.
Shopify Plus & Headless Commerce Agency for DTC Brands.
Based in Lynchburg, Virginia, Creative Labs is a veteran Shopify Partner agency that has been elevating eCommerce since 2012. With a portfolio of over 800 brands across six continents, we specialize in high-converting custom development, SEO, paid media, and conversion optimization...
Dragon Army is a digital engagement agency that grows admired brands through web, mobile, AR, VR, content, and games. We've been delivering digital product solutions for the world's biggest brands for over 11 years, across a variety of technology platforms and third-party services...
FIG offers an innovative approach to the traditional agency model by providing smarter and more agile solutions that benefit clients. Our team is devoted to developing creative strategies for success, delivering exceptional results each time...
A Technology Company Engineering What's Dynamic and Innovative
A Technology Company Engineering What's Dynamic and Innovative
At Metafic, we deliver cutting-edge digital solutions, from Low-Code and Mobile to Web and AI-Driven Apps, along with Custom Software and Unlimited UI/UX Design Revisions on a subscription basis. With a 97% on-time delivery rate, we have completed over 500 successful projects worldwide...
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