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
309 Companies-Rankings updated: September 04, 2026
Each agency listed on DesignRush is assessed for industry expertise and customer testimonials are evaluated in order to provide you with a vetted selection. Certain listings represent paid partnerships.
Atomic Object is a top-rated custom software design and development consultancy. Our co-located, U.S.-based team works with executives to improve their bottom line by delivering new products, enhancing existing products, modernizing legacy products, and integrating AI into their software systems...
TechnBrains is a software development and IT staff augmentation company building production-ready software and scale teams with pre-vetted developers...
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...
Quest Global Technologies is a global leader in development & consultation of cutting-edge Blockchain, Metaverse, AR/VR, QA, Automation, Salesforce & Web3 advancements...
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...
Intertech is a company specializing in various IT services, offering expertise in planning, architecture, design, implementation, development, quality assurance, testing, version control, documentation, and deployment of software projects...
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...
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...
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...
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...
VerifiedVerified by the DesignRush team for authenticity and credibility.
Enterprise UX Design | 3,000+ Projects for Fortune 100/500 Clients
yuj is a global UX design company with 16+ years of experience and 3,000+ projects delivered for Fortune 100 and Fortune 500 clients across automotive, fintech, healthcare, and hi-tech industries...
Incorporated in 2013, axiusSoftware is an Award Winning, ISO 9001 & ISO 27001 certified Software Development & Digital Consulting company, with registered offices in India, USA, Singapore and China...
Headquartered in Pittsburgh and owner-led since 2013, were a creative back-boned agency that delivers world-class design and unparalleled technical excellence...
Award Winning Technology & Business Consulting Agency
MindHind is a Technology, Business, Marketing & Investment Consulting Company with Global Presence in America, Europe, Australia, Middle East & Asia with 500+ Global Team Strength to achieve maximum success in Funding, Merger & Aquisitions, Research & Innovations. Delivering innovative technological solutions...
The App Founders is a recognized leader in the mobile app development industry that excels in building mobile apps to upscale your business and bolster your customer retention rate. Well transform your idea into a market-ready application on schedule and within budget...
Digital Insides is a top-awarded digital marketing company offering full-suite services to boost your online presence and maximize your business revenue. Since being in operation in 2010, we have leveraged social media marketing, email marketing, PPC marketing, search engine optimization, web development...
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...
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...
Retail is no longer just business; it's the rhythm of connection and trust. Knoativ helps brands shed the weight of complexity, turn vision into action, create experiences that don't just sell but resonate and inspire...
Product engineering for fintech, digital assets, AI, and automation
Aetsoft is a US-based product engineering company helping businesses design, build, and scale complex digital platforms across fintech, digital assets, commerce, AI, and automation...
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!...
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...
Savvycom is an AI-driven software development and IT consulting company founded in 2009, helping enterprises design, build, and modernize digital systems that deliver measurable business outcomes. Recognized as one of Vietnams Top 10 Digital Technology Companies, Savvycom partners with organizations...
Your Trusted Software Development Experts for Scalable Growth!
Inceptives Digital is a Digital Product Studio headquartered in Allen, TX, with offices in New York, San Francisco, Toronto, London, and Singapore. We build mobile apps, digital products, and AI-powered systems for startups, SMBs, and growth-stage companies that can't afford to get it wrong...
247 Labs is one of the Top Software Development Companies in Canada, serving industries in Healthcare, Insurance, Finance, Retail and more. Our services include full custom software end to end development and AI...
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...
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...
Your Software Development Partner Where AI Innovation Meets Engineering Excellence
We help clients achieve transformative growth through Software Development tailored to their unique needs. Our unparalleled skills in custom solutions, SaaS, cloud consulting, and AI-powered capabilities consistently deliver impressive results that drive business success and innovation...
CodeNinja is a full-stack AI delivery company helping enterprises, governments, and software acquirers modernize large-scale systems and operationalize AI at scale...
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...
Skipfour is a technology company that sells both services and products. We offer two types of services, a.) software solutions and b.) enabling technology services such as IT support, cloud services and so forth. We build end to end software + hardware solutions, more emphasis on software. We deliver...
Rare Crew is a custom software development company with over a decade of experience. Rare Crew develops custom solutions for all kinds of business, from multinational organizations to start-ups looking to grow their business...
Hawkwinds is a leading Custom software development company specialized in Fantasy Sports, Social network and AI. We build the world’s best fantasy sports software & Social network solutions. Get in touch with us today...
As a software services firm, delivering excellence is our mission. We offer development services through specialized teams segmented through our various brands. Whether that is app or website development, WordPress, Open Source, Billing, or E-commerce; we deliver what we promise. We have simplified the...
A Digital Marketing agency that specializes in social media and search engine platforms with a constant focus on lead generation and sales. We position our clients for success through social media management services, social media advertising services, Google ads, Microsoft ads, web design, and more...
We are an industry leading technology company in Orange County, CA specializing in managed IT services, cybersecurity & digital marketing for small and medium sized businesses. We ensure your systems are secure, running optimally and that you have help when needed...
We work on developing your business processes so that we can work on the things that take you away from the core of your business - we let you focus on developing your business...
A team of Tech-savants focused on simplifying complexities in the technology realm. We combine our technical expertise with product mindset that helps Enterprises to strengthen and transform their business by providing state-of-the art software development services...
Bower Web Solutions provides end-to-end web design and digital marketing solutions. We specialize in building, maintaining and improving commercial websites and enabling our clients to use digital media —from content marketing and SEO to paid search (SEM) and social media marketing...
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