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
381 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.
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...
Founded in 2014, were a global IT solutions company serving the USA, Pakistan, and Spain. We specialise in building powerful products and seamless digital experiences that are efficient, user-friendly, and ready to deploy...
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...
Peachy Digitals crafts impactful brand experiences for businesses in the digital realm. We offer branding, brand strategy, design, web development, and more. With a collaborative approach, we bring visions to life, exceeding expectations. Let us help you stand out and achieve your goals with style...
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...
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...
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...
TADApix is a full-service animation studio specializing in custom animated explainer videos, eLearning modules, and marketing content. With over a decade of experience, we help brands of all sizes from startups to Fortune 500 companies simplify complex ideas and tell powerful stories through 2D, 3D...
CTRL+ALT Digital is an award-winning, full-service digital agency, certified Women-Owned Small Business (WOSB), Google & Microsoft Partner, and a certified GSA contractor. We love what we do and it shows! Whether you need a website, mobile app, PPC, SEO, graphic design, & more we would love to help...
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...
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...
Our Mission : To Deliver Integrated, Vibrant and Streamlined ѕоlutіоnѕ for clients across the Globe, By maintaining Honesty, Transparency, and Trust with fair margins...
Transforming Tech Heritage Into Your Future Success
ModLogix by Langate is a trustworthy software vendor who focuses on legacy software transformation and cloud computing. We deal with old programming languages such as Visual Basic, Visual FoxPro, AngularJS, C, and so on...
Allegiant Digital Marketing is a Full-Service ROI Performance Based Digital Marketing Agency headquartered in Austin, TX with over 25 years of experience in Advertising & Marketing. We specialize in Search Engine Optimization (SEO), Search Engine Marketing (SEM), Social Media, Web Design, & more...
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...
Innofied is an award-winning B2B AI software development company with 600+ successful projects since 2012, helping businessesincluding Fortune 500 companieswith modern AI and SaaS solutions. With a global presence, our game-changing automated solutions continue to drive success across industries...
AI-accelerated engineering partner for legacy modernization and smart enterprise solutions dev
Founded in 2018, Devox Software partners with mid-market and enterprise businesses to modernize aging systems, engineer new digital products, and bring AI into production the right way: safely, incrementally, and with measurable ROI...
AppZoro Technologies Inc. is a software and mobile app development firm in Atlanta, offering a variety of services - web design, hybrid apps, game development, IoT services, AI App development, SaaS services & all kinds of web solutions...
Saritasa is a leading custom software development company offering a wide range of services, including mobile development, web development, AR/VR development, IoT solutions, DevOps, custom development, and database development...
Applications and platforms proudly built here in the USA. We have assisted some of the most prominent global brands operating in complex and heavily regulated sectors in successfully launching software solutions that underpin their go-to-market strategy, ensuring a world-class customer experience...
Award WinnerRecipient of a Best Design Award for outstanding work.
Your imagination, Amplified. Digitally.
We help ambitious brands leverage video, ad & brand films, branding, UI/UX design, and full-service creative solutions to achieve rapid growth seamless experiences, intuitive results...
TALRACE is a software development company that excels at providing tailored IT and outsourcing solutions. Headquartered in the United States with development hubs in Poland and Lithuania, TALRACE introduces a cross-functional global delivery strategy designed to minimize development costs and accelerate...
The Honest, Dependable, Transparent Digital Marketing Agency You've Been Looking For.
We are a results-driven digital marketing agency located in Tampa, FL. Our mission is to help businesses thrive online with high-impact SEO, Google Ads, web design, and local marketing strategies. Your investment matters, and we make sure it works hard to deliver measurable results...
UX Team delivers AI-assisted UX research, design systems, and software development for enterprise and SaaS clients like Nestlé, Morgan Stanley, and Fiserv. Its 100% US-based team reports a 90% repeat client rate. Best fit for enterprises needing a dedicated UX partner for complex software products...
A lifelong partner to solve any tech challenge together
Hi there! We were expecting you!We are a nearshore software services and consulting company that partners with forward-thinking companies to achieve their business goals and accelerate growth in the digital age.We are seen as a lifelong partner for tackling any tech challenge...
Anblicks is a Cloud Data Analytics Company – Enabling Enterprises with Data-Driven Decision Making. Since 2004, Anblicks has been enabling customers across the globe, with their digital transformation journey...
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...
BRK is a Charlotte-based full-service agency specializing in branding, video production, web design, lead generation, social media, digital marketing for B2B + B2C. With over 35 years of experience, BRK delivers strategic, data-driven campaigns that captivate audiences and drive measurable results...
Trinetix is a global team of creators and trailblazers that empower forward-thinking leaders to bring impactful ideas to digital reality through partnership, creativity, and innovation...
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...
Exinent LLC is committed to be your trusted partner for Cloud Migration and Managed IT & Security services. Our comprehensive range of services is designed to elevate your business and drive success in todays ever-evolving technology landscape...
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...
Kwanso, recognized as a top 5 mobile company by Silicon Review, is a team of expert designers, developers, machine learning engineers, and consultants dedicated to building exceptional digital experiences...
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...
VegaOne Trusted name in the field of digital marketing in California, Los Angeles. our most strong working areas included SEO, social media marketing, Web design & development including WordPress, Shopify, Ecommerce, Magento and custom CMS based website...
Headquartered in Pittsburgh and owner-led since 2013, were a creative back-boned agency that delivers world-class design and unparalleled technical excellence...
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...
Award Winning Digital Marketing Agency - Since 2010
Wisoft Solutions, a performance-driven digital marketing agency with over 14+ years of expertise. Unlock the power of a top-tier SEO company, ensuring your online presence not only stands out but also ranks high in search engine results, driving valuable organic traffic to your business...
ELIFTECH thrives on taking a business idea and transforming it into a high-tech product. ELIFTECH designs, builds, tests, and launches software technology for a variety of industries. The company successfully creates software that connects people, devices, systems, and data in a seamless process...
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...
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...
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