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
1,250 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.
Engineering Smarter, Faster, and Scalable Solutions.
Engineering Smarter, Faster, and Scalable Solutions.
At MatechCO, we empower businesses with cutting-edge digital solutions. Since 2009, we have been at the forefront of technology, delivering scalable, future-ready software tailored to the unique needs of enterprises worldwide...
Your Enterprise-Ready Partner in Apps, AI and Digital Transformation.
Your Enterprise-Ready Partner in Apps, AI and Digital Transformation.
Apptage, based in South Jordan, Utah, delivers end-to-end solutions in mobile apps, game dev, web dev, custom software, AI, e-commerce, cloud & data consulting and enterprise solutions helping businesses innovate faster, operate smarter and scale without limits...
Enspirit is an AI-native product design and engineering studio helping enterprises and funded startups build digital products that scale. We combine product design, full-stack engineering, AI development, and advisory services in a single team, enabling faster execution from strategy to launch...
Xtreme is a versatile design house known for its commitment to delivering unique and creative design solutions across various IT services including websites, logos, applications, animations, and stationery. The team at Xtreme embodies a lifestyle of innovation and collaboration, making it easy and enjoyable...
LA's Top WordPress, Webflow, and Shopify Digital Agency
LA's Top WordPress, Webflow, and Shopify Digital Agency
Mouche is a digital agency blending human creativity with AI efficiency. We specialize in eCommerce, Shopify, SEO, and user-centric websites built on WordPress, Webflow, and Wix. Based in Los Angeles, we help brands grow by driving traffic, boosting conversions, and creating smarter digital experiences...
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...
We stack the most innovative technologies across Shopify, CRO, E-commerce, React.js, Node.js, Salesforce, WordPress, UX/UI, and Digital Marketing to deliver future-proof solutions that move businesses forward through Staff Augmentation and White-Labeling models...
HappyFunCorp partners with companies across all industries to develop innovative AI digital products and modernize existing ones, leveraging deep engineering skills, product expertise, and human-focused design...
At Full Frame, we focus on creating websites for you at record speed. We can get your site live in under a month, loading in under one second. Stunning, custom websites that engage, convert, and elevate your brand...
What good is a website if its not bringing you a steady stream of new business?
What good is a website if its not bringing you a steady stream of new business?
At Lewis SEO Tulsa, we specialize in helping local businesses in the Tulsa area grow their online presence through proven, results-driven SEO strategies. Our expert team works to dramatically improve your websites organic search rankings targeting even the most competitive keywords so you can rise above the...
FFP is an award-winning software and app development firm specializing in turning groundbreaking ideas into powerful digital solutions. Based in NY, we help startups and established businesses bring their innovative ideas to life with cutting-edge custom solutions. Whether its mobile app development...
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...
The Builders Agency believes great marketing starts with understanding the business behind it. We partner with contractors to uncover opportunities, solve growth challenges, and turn marketing into a meaningful part of building a stronger business...
VerifiedVerified by the DesignRush team for authenticity and credibility.
AI-Powered Innovation, Delivered
AI-Powered Innovation, Delivered
Debut Infotech is a leader in advanced technological solutions, specializing in AI, Blockchain, Smart Contracts, IoT, and mobile and web development...
We Make Robust Software Solutions To Empower Your Business.
We Make Robust Software Solutions To Empower Your Business.
DiAng Tech delivers scalable business solutions and cloud-powered platforms that help companies grow faster, operate smarter, and reach more customers. We specialize in web and mobile development, custom cloud solutions, and Kubernetes cluster support...
We build cost-effective, user-friendly WordPress websites and WooCommerce solutions designed for small business growth. Our search engine optimization (SEO) strategies ensure your site ranks well, helping you connect with more customers...
Digital Softagency is a global digital powerhouse crafting high-performance websites, mobile apps, and marketing solutions for ambitious brands across the USA and beyond...
Cutting-Edge Web, Software & AI Development Company
Cutting-Edge Web, Software & AI Development Company
TechVerdi a cutting-edge development company offering web, software, mobile app, and AI solutions to create scalable, innovative solutions for businesses...
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...
We provide end-to-end solutions in App Development, Web Development, Cloud Services, Business Intelligence & Data Analytics, and Artificial Intelligence. Our services are designed to help businesses streamline operations, make data-driven decisions, and stay competitive through modern, scalable, and...
At Brand Pro Max, we don't just market we ignite movements. Were the spark that turns brands into bold, unforgettable experiences. Fueled by creativity, driven by data, and powered by community vibes, we break the mold of traditional marketing. We create connections that last, laughs that echo, and growth...
Wise Raven Consulting is a web design and digital marketing firm helping businesses of all sizesacross industries like tech, startups, authors, and professional servicesbuild strong online presences. We specialize in custom websites, SEO, and strategic digital campaigns, and also offer fractional project...
At BCS Tech, we offer premium web design and marketing services tailored to elevate your brand. Specializing in custom website development and targeted marketing campaigns, we craft solutions that connect with your audience and drive results...
Twisty Designs is a Shopify Plus agency helping 78 figure DTC brands grow through high-converting design, personalization, and automation. Experts in Customily, Teeinblue, Zakeke, and Kickflip, we build scalable, real-time customization experiences that boost sales...
Build Your Future-Ready Business With Our Digital Transformation Company
Build Your Future-Ready Business With Our Digital Transformation Company
Hegemonic is not your average IT company. We offer a full spectrum of data-driven digital solutions that blend strategy, creativity, and research to ensure all systems go for tech startups, SMEs, or entrepreneurial ventures to unlock new value for your business...
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...
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...
Inument is a custom software development company that specializes in providing tailored offshore IT staff augmentation, custom development, and seamless digital integration services...
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...
We are a groundbreaking and innovative digital marketing agency that will make your business stand out thanks to our extensive knowledge in branding, web design and development, SEO, PPC, social media management, E-commerce and much more. Today, having a good product or service is not enough. You need to make...
USATILITY is a creative agency founded in 2021 by Evan Combs to challenge the one-size-fits-all approach to design. Born from a passion for accessibility, strategy, and unfiltered creativity, USATILITY helps brands grow through design, web, motion, and storytelling that puts people first. Our mission is...
At Wildnet Edge, we combine AI-first thinking with deep product engineering expertise to build future-ready software for startups, mid-size firms, and global enterprises. Backed by Wildnet Technologies 19+ year legacy, our developers specialize in AI-native, scalable, and performance-driven systems...
Sparkware Solutions is a Virginia-based digital agency that helps small businesses grow faster, operate leaner, and scale smarter through strategic web development, AI-driven automation, and intelligent marketing systems...
Creasions, an digital advertising Dallas Agency, offers top-notch digital marketing strategies that will help your business stay ahead of the competition. Our digital marketing services are designed to increase your online visibility and help your website rank higher on search engines...
Space Inventive delivers AI-powered solutions, data engineering, and digital transformation services tailored for pharma, healthcare, and fast-growing businesses. We blend innovation with execution to solve complex challenges through scalable, future-ready technology...
Haketi, founded by Teylor Feliz, crafts web solutions to help businesses communicate and get more customers. We specialize in creating visually stunning, user-friendly, and responsive websites tailored to your unique business needs. Haketi provides innovative design and seamless functionality, creating a...
Genesis Technologies is your one-stop IT partner, offering bespoke development, testing, DevOps, and UI/UX solutions. With 14+ years of proven expertise, 1000+ delivered projects, and a perfect Job Success Score on Upwork, we are trusted by global clients to get it right, every time...
JetBase helps startups and enterprises transform bold ideas into scalable digital products. From MVPs to SaaS platforms, we build software that drives growth, strengthens retention, and delivers measurable business impact with clarity, speed, and long-term value...
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...
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...
Global software development and team augmentation company for mission critical software
Global software development and team augmentation company for mission critical software
Global software development and team augmentation company for mission critical software. Headquartered in Texas with delivery centers across Europe & Asia...
Appingine is a top app development company in the U.S., known for turning bold ideas into powerful mobile experiences. We create award-winning apps that consistently earn recognition and visibility on the App Store and Google Play. Our team is dedicated to delivering high-quality, user-focused solutions that...
EnlightVision is the partner of choice for many of the worlds leading enterprises, SMEs, and technology innovators. We elevate businesses through custom software development, product design, QA, and consultancy services. Our commitment is to deliver cutting-edge solutions tailored to your unique needs...
AvierIT Tech empowers enterprises to thrive in the digital age. As a global technology services and solutions company, they combine deep industry expertise with a passion for innovation. By harnessing the power of data, technology, and AI, AvierIT Tech transforms bold ideas into impactful outcomes. Their...
At SynkFlow, we dont just build digital solutions we craft experiences that brands can trust. From stunning websites to powerful apps and AI-driven tools, we put love into every line of code. Our mission is simple: make your brand unforgettable and your growth unstoppable. Trust us once, and well grow...
ProLance IT is a leading software development company based in India and the U.S., delivering custom web, mobile, and enterprise solutions since 2019. They specialize in full-stack development, UI/UX design, AI/ML, and staff augmentation. Serving clients across 15+ countries, ProLance IT combines innovation...
Seattle SEO & GEO Services | 18 Years of Search Excellence
Seattle SEO & GEO Services | 18 Years of Search Excellence
Verti Group International (VGI) is a Seattle SEO company specializing in Generative Engine Optimization (GEO) and Answer Engine Optimization (AEO) services for the Seattle area. Backed by an 18-year, BBB-verified track record...
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