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
1,230 Companies - Rankings updated: August 14, 2026
Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.
Cleveroad is a leading provider of web and mobile solutions that cater to diverse industries and budgets. With a global team of skilled IT professionals and expertise earned from developing 500+ custom apps, we offer end-to-end development services, UI/UX design, cloud-based solutions, and advanced...
Zealous System is an AI-powered technology partner delivering custom software, AI solutions, web and mobile apps, and enterprise platforms. As a software solutions provider, we serve startups and enterprises across healthcare, FinTech, logistics, education, manufacturing, and more...
At CodeSol Technologies, we are top rated digital transformation & software development company based in Austin helping local SMEs scale with confidence. As a certified local expert, we partner with business owners generating $500K$1M+ annually to modernize operations, eliminate inefficiencies, and drive...
System Integration. Business Process Optimization. Marketing Automation. Web. Search. Social.
System Integration. Business Process Optimization. Marketing Automation. Web. Search. Social.
Technology impacts every aspect of business, and when used strategically, can bring dramatic improvement to an organization's challenges. We provide a robust catalog of digital services to meet the high standards of discerning clients and the demands of an ever-changing technology landscape...
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...
We deliver transformative technologies to some of the worlds most recognized brands. We work with the top performance management vendors including OneStream, Angular, Ionic, Azure, React, Oracle to automate and optimize your business processes, and make your work simpler and more efficient...
TechnBrains is a software development and IT staff augmentation company building production-ready software and scale teams with pre-vetted developers...
Intersog stands as a top ASP.NET development company, offering dynamic web apps and services from Chicago and around the globe for over 18 years. We provide a seamless hiring process, presenting you with our finest developers for tailored solutions. Quality and speed define our approach, ensuring your product...
Proven is a full-service digital consultancy for mission-driven organizations. We combine data-driven insights with technical and storytelling expertise to empower organizations working toward a more sustainable and equitable future...
The Honest, Dependable, Transparent Digital Marketing Agency You've Been Looking For.
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...
Empowering Businesses Through Intelligent Digital Solutions
Empowering Businesses Through Intelligent Digital Solutions
Octal Digital is a leading software development firm specializing in mobile apps, web solutions, eCommerce, cloud and AI. We combine creativity with cutting-edge tech to assist businesses in their growth, optimization, and realization of their digital aspirations. Trusted by clients worldwide...
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
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...
At SoftwareHut, we’re committed to creating IT solutions that fit the needs of our clients. With a wide range of IT specialists, we’re a software development company ready to address different needs and requirements, from small companies and startups to enterprises. With over 200+ specialists on board, we...
Artisan Talent is a premier creative staffing agency that has been redefining talent solutions since its inception. Committed to excellence, we offer a comprehensive suite of services tailored to the unique needs of the creative, digital, and marketing industries...
Ship software with confidence, not crossed fingers.
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...
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...
Your Best White Label Web and Mobile App Development Partner
Your Best White Label Web and Mobile App Development Partner
Techno Exponent (T-Web Exponent Private Limited) is an award-winning leading IT company with a successful track record of working with 1200+ clients & serving 2500+ projects worldwide! We are an MCA-registered (Ministry of Corporate Affairs) ISO 9001:2015 Certified company...
eDOT Solutions delivers intelligent digital platforms that drive smarter operations, innovation, and learning. With roots in maritime, we serve hospitality, healthcare, and education, creating scalable, insight-driven systems that enhance performance and decision-making...
From Dayton to Digital: Amplifying Emerging Voices
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...
FABA Technology - Vietnam's trusted top web developer
FABA Technology - Vietnam's trusted top web developer
FABA Technology has been recognized as one of the Top Web Developers in Vietnam and Top B2B Companies in Asia, so you can trust that your project is in good hands...
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...
We build mobile apps, web platforms & AI workflows for organisations doing good in the world.
We build mobile apps, web platforms & AI workflows for organisations doing good in the world.
3 Sided Cube is a global mobile app and digital development company with a passion for Tech For Good, championing the genius over the generic to build life-saving, life-changing digital solutions...
Attorney Marketing Network Is the Leading Legal Marketing Agency.
Attorney Marketing Network Is the Leading Legal Marketing Agency.
Attorney Marketing Network is the leading legal marketing agency providing a wide array of digital services such as SEO, PPC, SMO, CRM, Web Development and more...
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...
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...
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...
GLOBAL TECH PARTNER FOR DIGITAL TRANSFORMATION AND SOFTWARE INNOVATION
GLOBAL TECH PARTNER FOR DIGITAL TRANSFORMATION AND SOFTWARE INNOVATION
Jelvix is a global tech partner with 15+ years of experience, empowering industry leaders and startups. With 450+ IT experts, we drive digital transformation across Europe, North America, Nordics, and Southeast Asia...
VerifiedVerified by the DesignRush team for authenticity and credibility.
Enterprise UX Design | 3,000+ Projects for Fortune 100/500 Clients
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...
Product Design & Development Agency For SaaS And Fintech
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.
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...
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