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
627 Companies-Rankings updated: September 03, 2026
All agencies on DesignRush undergo evaluation based on professional expertise and verified client reviews. Please note that certain placements are paid partnerships.
CBX Solutions is a freelance digital marketing agency based in Green Bay, Wisconsin.
We provide a wide range of services to support you throughout your journey. Let us be your trusted partner in your journey towards success. With our extensive range of services, you can rest assured that we have you covered at every turn. We work tirelessly to support you and help you achieve your goals...
We engineer custom software solutions that align with your vision scalable, secure, and ready for real-world growth. Whether its a startup MVP or an enterprise-grade platform, we deliver code that lasts...
Agreed Technologies drives measurable growth through AI search optimization, custom SEO,and performance marketingserving 500+ clients nationwide since 2014 with growth built ontrust, innovation, and results...
At Elision, we are a web development and digital marketing agency specializing in eCommerce websites and custom web applications. Every project we take on is handled with full commitment and loyalty to our clients. Our agile and solution-oriented approach allows us to adapt to your unique needs, while clear...
A team-based search marketing agency working with companies across the country, Portland SEO Consultant runs three core services from its home base in Oregon: SEO, AI search optimization (AIO), and Google Ads, with local and national organic search handled under the SEO side. Copywriters, developers, link...
Launch 3X faster and cheaper with our data-driven development approach. Valueans, your friend in the world of app development! We're all about custom application development and helping your business shine with the latest tech. Our team is great at making websites and apps that work well on phones, and we...
Axion Deep Digital is an engineering first SEO and web development agency based in Las Cruces, New Mexico. We build production grade React and Next.js websites with technical SEO, Core Web Vitals optimization, and lead capture built directly into the foundation rather than added later. Our approach is focused...
Creative Design Venture is a digital agency specializing in innovative web solutions and executive digital marketing services so that our valuable clientele and their businesses can have a strong online presence...
Turning Ideas Into Apps | Your Vision, Our Innovation
Profusion Systems is a leading mobile application and software development agency that turns creative concepts into innovative, user-friendly solutions. Founded in 2012, the agency specializes in custom software, cloud migration, and chatbot development, catering to mid and large-sized businesses. With a...
NextGen Invent is a leading IT and AI services company specializing in AI, generative AI, computer vision, automation, and data analytics. Serving industries like healthcare, finance, supply chain, and manufacturing, the company has created 500+ AI models, developed over 100 software products, and e...
Designly Web Agency helps Greensboro businesses grow through professional website design and development. We specialize in building sleek, responsive, and conversion-focused websites that highlight your brand and attract customers. From eCommerce stores to business websites, our team ensures every site is...
VerifiedVerified by the DesignRush team for authenticity and credibility.
Proven Website Formula Scales Brands
We are a full service design and development agency based out of the US specializing in Web flow, shopify and WordPress builds. Once the website is optimized we also help the client bring in traffic through SEO, PPC and convert the traffic into revenue with our CRO services...
Bay Forward is a multinational ecosystem service provider and technology consulting firm specializing in Enterprise Resource Planning (ERP) implementations, artificial intelligence, and financial management. They help businesses automate operations and scale by providing fractional CFO services, bookkeeping...
Leo9 Studio is a global branding and design agency blending neuromarketing, creativity, and technology to build human-centred brands, websites, and digital experiences that inspire emotion, boost engagement, and drive measurable business growth...
InfoSwift Corp is a technology consulting and software development company with over 15 years of experience serving clients across the United States. The company specializes in next-generation technologies, data solutions, artificial intelligence, and enterprise software development...
E-COM Expert offers an all-encompassing solution tailored for entrepreneurs embarking on or advancing their business ventures. Our proficiency extends to strategic development, brand establishment, website creation, advertising campaign initiation, and steadfast guidance towards the attainment of success...
An agency that truly understands the value of marketing in business, we are a leading digital marketing company dedicated to becoming a strong pillar for your business, propelling it to new heights with exponentially high profits. We are well aware of the boundaries of marketing and advertising, but we are...
HiveB2X is a leading expert in custom software applications & implementations, specializing in tailored solutions for B2B companies. Focused on seamless integrations, personalized storefronts, & optimized functionality, empowering businesses to elevate their online presence & streamline operations...
Digital Marketing Solutions International is a business development consultancy that partners with businesses to help them create stable revenue streams, build organized operational systems, and expand their visibility. We are your trusted partner dedicated to expanding your business...
NAM Info Inc. is a technology-forward talent management organization dedicated to bridging the gap between industry leaders and exceptional human resources. They pride themselves on delivering quality candidates, deep industry coverage, and knowledge-based training for consultants. Their commitment to...
Web Design Software Development & Digital Marketing.
Enterprise 360, we are a creative team specialize in creating results driven web and digital solutions from impressive websites, software and mobile app development, e-commerce, content management and branding solutions...
EZ Rankings is an award-winning digital & social media marketing company based in India with other branches based in USA, UK, Canada, Austrailia, UAE. Our goal is to keep you ahead of the competition by offering simple, customized yet effective solutions...
At Skylane Solutions, we help businesses grow smarter, faster, and stronger with data-driven digital marketing strategies. From startups to established brands, we provide tailored solutions that generate real results more traffic, more leads, and more sales...
"Taylor Dragon Software: Excellence in Every Code, Exceptional Care for Every Client."
At Taylor Dragon Software, we are dedicated to delivering exceptional quality in every aspect of our work. Our commitment to excellence is matched only by our excellent customer service, ensuring that every client receives personalized attention and support. No project is too large or too small for our...
LIPA is where founders turn ideas into stunning, high-converting digital experiences. We blend founder-first thinking with bold design to launch faster, sharper, and smarter...
Rankure is a results-driven SEO and digital marketing agency specializing in Local SEO, Google Maps
Rankure is a digital marketing and search growth agency helping small and medium-sized businesses improve visibility, generate qualified leads, and grow through search and digital channels...
AQe Digital specializes in enterprise software engineering and digital transformation. With 25+ years of experience, we deliver custom development, cloud-native ERP, AI/ML, RPA, IoT, UX/UI, and integrations that modernize systems and streamline operations...
Depex Technologies is a leading IT solutions provider specializing in app & web development, AI, digital marketing, and automation to drive business growth. Visit: www.depextechnologies.com...
Smile MEDIA is a website design, software development and digital marketing agency aimed at improving business performance through technology efficiencies and analytics. We digitally enable a company's products and services through cyber, mobility, cloud, social business and analytics...
IT, Software, and Chatbot Solutions to upscale your business. We partner with entrepreneurs and business leaders to design and build transformative technology solutions. By putting business goals first and the technology second, we achieve more impactful outcomes...
Transforming Ideas into Innovation: A Holistic Services Provider You Can Trust
Softech Systems has been delivering excellence to the world since 1998. We have served every continent with our expert services and competence. For utmost satisfaction of our clients, we ensure tailored and contemporary services...
AmzStorePros helps you succeed on Amazon, Etsy, and Shopify with expert management and optimization.
AmzStorePros is your go-to partner for e-commerce success on Amazon, Etsy, Shopify, and more. We optimize listings, manage accounts, and boost visibility. Our expertise helps businesses grow, ensuring higher sales and better performance. Ready to thrive? Contact us today!...
Innovative Web Development and SEO Solutions for Business Growth
Our service are in a unique combination of user-friendly design, We take care of every aspect of web, mobile app & software applications. Whether you're looking for custom web development, digital marketing solutions, or SEO strategies, our team is here to help you grow your business...
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...
Innova Designz is a full-service creative agency offering branding, graphic design, 2D & 3D animation, ads creative, web development, app development, and SEO solutions. We help businesses stand out with innovative, tailored designs and digital strategies...
Stellixsoft is a 50-person enterprise software development company specializing in IoT platform development, legacy application modernization, and complex multi-tenant systems...
DevGinix is a software development company that helps businesses build, scale, and optimize digital products through custom software, web development, mobile applications, cloud solutions, and digital transformation services. With a team of development professionals and experience across industries such as...
STS Software is a leading software development company in US, delivering innovative, scalable, and cost-effective technology solutions to businesses worldwide. With a focus on quality, agility, and customer success, we specialize in web, mobile, and enterprise software development tailored to meet diverse...
Fastest-growing Company In NYC Offering The Best Digital Marketing, Web, Mobile App Development
Griffon Webstudios has years of experience in providing the best digital marketing, website development, mobile app, ai and blockchain development services in New York. We understand the dynamic world of search marketing and our team of experienced engineers and marketing consultants will work dedicatedly to...
Comptivia Technologies is a global IT Services and Consulting company headquarters in New Jersey USA. We work with leading companies to deliver services and technologies at scale, accelerate digital operations, develop innovative applications, and drive efficiencies throughout their organization...
Silk Route Technologies helps you meet the next generation of technological challenges, leading to a future of growth and prosperity. We offer growth opportunities to international IT companies through consulting and representation to achieve sustainable growth in the US market...
Empowering Businesses with Innovative Software Solutions. By bridging the gap between existing and emerging technologies, Evolve Blue helps you innovate faster, with less risk, on your path to digital transformation...
Full-service marketing firm specializing in digital advertising, branding, strategy, UX/UI, SEO, design, SMM, SEM, online courses, video, podcasts and traditional advertising...
At LN Solutions , our mission is simple: to empower businesses with the tools and strategies they need to succeed online. Whether it's creating stunning websites, implementing effective digital marketing campaigns, or developing custom software solutions, we are here to help our clients achieve their goals...
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