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
453 Companies-Rankings updated: September 03, 2026
All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.
Ship software with confidence, not crossed fingers.
goGreenlit is a Chicago-based QA consulting agency that helps startups and growing companies build reliable software through embedded quality assurance. Founded by experienced QA engineers Muhammad Ali and Mohammad Khan, the agency integrates directly into development teams to prevent defects before release...
BeeSoul is a creative branding and web design studio dedicated to helping purpose-driven businesses and entrepreneurs thrive through intentional design. Specializing in visual storytelling, BeeSoul crafts soulful brand identities, strategic websites, and cohesive digital experiences that align with clients...
From Dayton to Digital: Amplifying Emerging Voices
We are a small marketing consultant agency located within Dayton, Ohio that assists in giving others a louder voice. We provide creative digital marketing and branding strategies, along with web and graphic design, through visual and personal communication. We are a small social enterprise that has assisted...
2026 Webby Award Winner! Raleigh, NC marketing agency, web design company, branding agency, paid search, SEO / AEO, digital compliance / web accessibility consultant + web application development company...
Mile Marker is an agile development agency offering startups strategically designed custom software focused on solving your business problems. Mile Markers team includes product managers, developers, designers, QA, DevOps and more...
For over 14 years, Devico has been building digital experiences which drive customer engagement, a time-to-market advantage and revenue acceleration...
Experience innovation, agility, and growth with BiztechCS, a renowned web and mobile and eCommerce app development company. Since 2006, we've been empowering brands globally with cutting-edge solutions that drive measurable results...
Product Design & Development Agency For SaaS And Fintech
Visiata is a design and development studio that helps businesses build intuitive digital products through integrated strategy, design, and engineering. The studio combines product strategy, UI/UX design, web and mobile development, and ongoing product support to create scalable, high-performance digital...
Stress-Free Website Development, Maintenance, Logo Design, Copywriting Services.
STL Website Development specializes in minimalistic website development, maintenance, logo design, and copywriting services, ensuring a professional touch in every project. The agency's approach prioritizes collaboration and creativity. As such, STL Website Development brings the client's vision to life while...
Oak Street Technologies is dedicated to empowering businesses by providing comprehensive IT, HR, BPO, accounting, and strategic digital marketing services. Our aim is to enhance operational efficiency and foster sustainable growth through a holistic approach...
Dynamic custom software development company specialized in building ERP, CRM, ATS, CMS, and e-commerce solutions. Our technology stack is .NET, SQL, Entity Framework, Angular, and Typescript...
CTGs comprehensive solutions help clients across all industries address the business, technology, and operational challenges that are escalating as the pace of change gets faster and the stakes get higher. Our solutions leverage the latest tools and methodologies to allow for greater technology and...
ICODA is a Digital Agency. We have been working on the crypto industry market since 2017 and have already participated in the launch of 50+ international projects...
Innovative and creative web design for every industry and sector. We bring the power of creative design into your workflow so you can kick back and relax while we manage the entire process for you. Make us your allies and elevate your online presence today!...
At Skyfield Digital, we provide comprehensive digital solutions tailored to meet the unique needs of businesses in today's fast-paced digital landscape, where ranking on Google is only half the battle and getting cited by AI search engines is the other...
Captus Technologies offers professional services since 11+ years for more than 2300+ website developed. We have worked variety of industries such as Retail, Real Estate, Logistics, Healthcare and many more. We have Developed 1100+ Brands across the world. Our certified mobile app developers is committed to...
You spend time imagining how you can more effectively use online technology to improve your business! Hello, I am Mary Putnam and I spend my time commanding digital technology to accomplish your goals with dynamic websites, cloud based applications, and digital strategy...
Designity is an AI-enabled, human-led Creative-as-a-Service platform.
Designity is a human-led Creative-as-a-Service platform that gives brands a fully managed creative team led by AI-enabled Creative Directors and powered by the top 1% of global creatives and marketers...
Introducing Develoware: A game-changing catalyst for businesses. Empowering visionary leaders and their teams with state-of-the-art development tools and unparalleled integration capabilities. Embrace the power of innovation, streamline operations, and achieve unprecedented growth. Elevate your business with...
Hexagon Infosoft specializes in providing open source website development, creative web designs, and 360-degree digital marketing solution. With a large client base across Asia, U.S, U.K and Australia, we are among the top quality web solution providers...
Welcome to Bitz Digital, where innovation meets reliability, and your digital success is our top pri
Bitz Digital: Where ideas come alive in the digital realm. With a passion for design, we're your creative allies, turning visions into captivating digital experiences. Empower your brand with our innovative design solutions welcome to the future of web and app excellence!...
Special Case - a platform with a professionally qualified team with more than 13 years of experience in the production of responsive websites with a high conversion rate...
TekInvent is a leading digital transformation company delivering custom software, mobile apps, & AI-powered solutions. We help startups & enterprises innovate, automate, $ scale through cutting-edge technology, creative design, & data-driven strategyturning ideas into impactful digital experiences...
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...
CYouSucceed is a web design agency that focuses on Wordpress development and User Experience. We tailor each experience to the clients specific needs through Discover and Definition phase. NO one project or client Is the same and everyone needs something different. We do our best to see each and everyone...
Kilvington Digital Marketing: Exclusive Focus, Maximum Results.
Tired of generic marketing? We partner with one business per service area, delivering laser-focused strategies & data-driven results. Get unmatched expertise, content that converts, & measurable success. Don't settle for shared success. Contact Kilvington Digital today!...
QBurst offers a wide range of end-to-end software development services, covering various domains. Their services include Google App Engine Development, Cloud Enablement, Data & AI solutions, Digitalization, SaaS implementations, and more...
Marotino leads the way in redefining IT solutions and blockchain development, focusing on innovative end-to-end solutions that guarantee success for our clients. Our commitment to understanding your unique needs and our emphasis on quality and time-to-market strategies make us a trusted partner in your...
Since 1996, Ascendix Technologies has been headquartered in Dallas, Texas. The company specializes in AI implementation, CRM consulting, and tailored software development. With auxiliary development hubs located offshore in Poland, Portugal, and Luxembourg, our company boasts a global presence...
Delivering innovative IT solutions with expertise in Web & Mobile App Development, SEO, Digital Marketing, SMM, ERP, CRM, and AI-driven projects. With 12+ years of experience, empowering businesses to thrive through tailored, cutting-edge technology and exceptional service...
Dotix is a full-service software and product development agency specializing in web, mobile, blockchain, and digital marketing solutions for startups and enterprises...
DiligentTechnologies delivers smart, scalable digital solutions, including web & mobile development, UI/UX design, SEO, QA, and staff augmentation. We help startups and enterprises transform ideas into high-quality, reliable technology that drives growth, efficiency, and measurable results...
Northern Lights Technology Development is a global technology company that provides information technology and business process support services to improve performance, productivity, and user satisfaction; all while maximizing your technology budgets...
57 Clicks is a family-owned Orlando Florida Full-Service Digital Marketing agency. Our team helps local and national brands grow by turning clicks into customers. Our digital marketing agency offers a wide variety of services including website design, SEO, video production, PPC and social media...
KARMA jack helps enterprise and multi-location brands unlock scalable growth through full-service marketing: websites, SEO, digital ads, and brand strategyall delivered with unmatched speed and a human-first approach...
We are a marketing company who specializes in web design services. We work with businesses of all different sizes in creating dynamic websites and build custom marketing plans for our clients that build their business and bring in more customers or clients...
We don't just build websites. We build experiences.
With over two decades of experience, our team is adept at crafting tailored web solutions across a spectrum of platforms and technologies. Whether you envision complete digital overhaul or simply need to enhance and improve your existing site, we provide the expertise to bring your vision to life. Our...
At Atomic Actions, were all about making your business run smoother and smarter. We help companies multiply revenue and cut operational costs through automation and AI
We mix technical expertise with business mindset to smooth out what's holding you back...
Nexentis is on a mission to empower organizations with cutting-edge digital solutions. We are transforming firms that are dedicated to driving growth and innovation...
Technology With Soul. Strategy With Fire. Success with Purpose
Where Vision Meets Execution and Innovation Has Purpose. We believe technology should do more than just function it should fuel transformation, unlock hidden potential, and create a meaningful impact. With over a decade of experience, we specialize in delivering custom-built, high-performance solutions across...
BL Friedman Creative offers customized solutions for websites, apps, video, animation, and film. In today's digital landscape, small businesses cannot afford to overlook the vast online marketing opportunities accessible to those adept at analyzing and interpreting data into company-specific goals...
Award Winning, Full Service Digital Marketing Agency
At Media Components, we help businesses grow smarter. As a leading digital marketing agency with 20+ years of experience, we specialize in boosting online visibility, driving conversions, and maximizing ROI for companies of all sizes. From startups to established enterprises, we tailor our strategies to meet...
Xonest is the global IT Consulting company that stands for progress. We at Xonest provides you the best IT solutions which includes everything from re-designing your website, to custom develop your web app, to all eCommerce solutions, to native and hybrid mobile applications to social media marketing, to...
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