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 are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.
AI-Powered Digital Marketing Agency for Modern Businesses
One of the top digital marketing agencies in India helps clients with SEO, Google ads, Google map listings, web design, and development services. Black Marlin Technologies, established in 2014, stands as a premier provider of digital marketing solutions, dedicated to catalyzing business expansion through the...
We help eCommerce brands scale on Shopify & Shopify Plus. Officially recognized Shopify experts since 2014.
Done it ourselves: 500+ reviews for our Shopify apps, for more than 10,000 Shopify & Shopify Plus customers.
Award Winning: Clutch Global 2023, Clutch 1000, Top eCommerce App Developer 2023...
#1 in Cybersecurity, Blockchain, AI&ML, Python, NodeJS
Apriorit is a leader in smart contract development, cybersecurity services, along with advanced data management technologies. Other services offered by this IT firm include SaaS engineering, Driver development, system programming, professional reverse engineering, blockchain, AI&ML and more...
Empowering Legal Excellence
iFour Technolab is your trusted partner in legal technology, offering custom legal software solutions to simplify complex legal processes. We understand the importance of time and efficiency in the legal industry, delivering cost-effective solutions tailored to your needs...
Strategic UX and design.
Bespoke, multi-platform programs.
Connection and engagement.
Authentic storytelling and public relations.
Leveraging our experience, humility, and values, Anomali by Design connects with peoplewherever they're at, agnostic of circumstance...
Techugo is a global AI, web, and mobile app development company delivering scalable digital solutions since 2015. With 1400+ products delivered across healthcare, fintech, and on-demand industries, we help startups & enterprises build AI-powered apps & platforms that drive real business growth...
Choose Webspaceteam for top-notch React Native development. Our experienced team excels in web, mobile, and desktop solutions, serving clients worldwide. Let's bring your ideas to life...
Domio Labs delivers production-ready SaaS and AI-powered applications at the speed AI-accelerated engineering allows fixed scope, fixed price, senior engineers throughout. No junior staffing, no scope creep, no vendor lock-in. Built for operators who need software that works on the first delivery, not the...
Since its inception in 1999, Drish Infotech has been a pioneer in delivering cutting-edge technology solutions globally. Headquartered in Silicon Valley with an additional office in Saratoga, CA, and a proficient backend development team in Chandigarh, India, Drish has firmly established itself as a prominent...
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...
Hikesiya is Silicon Valley-based software development company providing software solutions with a global team of Japan and Vietnam. Our team is a combination of skillful, enthusiastic engineers from Vietnam where the software industry is raidly growing and Japan where quality is meticulously managed in a...
Boomdevs is a strategic digital product partner for startups, scaleups, and enterprises. Since 2014, one senior team has taken products from strategy through design, engineering, and post-launch growth — custom software, web & mobile apps, UI/UX, and AI built in rather than bolted on. Our work runs at real...
Ideate, design, and build world-class software with a US-based pioneer in nearshore outsourcing and staff augmentation. Never sacrifice quality, sleep, or overpay again...
Founded in 2014, Concetto Labs is a leading hybrid app development company in India. Staying ahead of IT trends, we specialize in cross-platform solutions, flutter application development, and advanced website design, aiming to be your all-in-one IT service provider...
Inverted Software is an enterprise software development and publishing boutique firm.
Optimizing, managing and securing mission-critical IT services for the enterprise, we work closely with our customers to provide software solutions in a wide area of industries...
From Idea to Reality. Let’s Build Your Dream Website.
Unique Web Designer is a Miami and Fortlauderdale web design and development company that focuses on creating winning web solutions for its clients. Our main goal with every project is to figure out the best way to increase your bottom line...
A Technology Company Engineering What's Dynamic and Innovative
At Metafic, we deliver cutting-edge digital solutions, from Low-Code and Mobile to Web and AI-Driven Apps, along with Custom Software and Unlimited UI/UX Design Revisions on a subscription basis. With a 97% on-time delivery rate, we have completed over 500 successful projects worldwide...
Our name is inspired by the Turritopsis Dohrnii, a species of Jellyfish that can revert to its life-cycle form, via cellular differentiation. It creates a newer version of itself.
Jellyfish Technologies uses design, engineering, and technology skills to transform the ideas of its valued clients into...
Burhani Media Solutions is a dynamic digital agency specializing in creative design, motion graphics, and media production, delivering innovative visual solutions for brands and businesses...
Using agile technology and smart design we close the gap between brands, their products and the people who enjoy them. We believe today’s leading technology and innovative creative is the fastest way to get there. Every project is an opportunity to swing the pendulum toward the incredible, where brands and...
Digital Softagency is a global digital powerhouse crafting high-performance websites, mobile apps, and marketing solutions for ambitious brands across the USA and beyond...
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...
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...
Solve-Automate-Scale Leveraging Technology for your Business
YES IT Labs is a top software development company delivering innovative, high-quality solutions tailored to client needs. Our expert team uses cutting-edge technology to turn ideas into reality. Services include custom software, mobile/web apps, IT consulting, and more...
CodeAegis is a leading software development company committed to delivering excellence in every project. With a global presence in UAE, USA, Kuwait, and India and eight years of experience, we have been providing innovative digital solutions that reflect our dedication to quality...
Carina Softlabs Inc. is a leading IT service provider company delivering quality services all over the globe. Our range of services includes software development, website development, game development, mobile app development, and digital marketing. For more details, feel free to reach us...
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...
Custom Software Developer | Top Rated | 100% US Based
Pell Software is a 100% US based company focused on building long term, authentic partnerships. We focus on learning about your specific business needs in order to find the best software solution that will help you scale your business...
Marketing made simple. We're here for however long YOU need us!
AW Digital Marketing is a full-service marketing agency offering content marketing, SEO (Search Engine Optimization), Google Ads, social media marketing/management, website design/redesign/management, graphic design, mobile application development, marketing strategy advice and direction, email/SMS...
iQuasar, a Northern Virginia tech leader with 20+ years of experience, specializes in Software Development, AI Integration, Web & App Development, Software Team Augmentation & More. We hold an A+ BBB rating, are verified on Clutch, and have a 97% Customer Satisfaction Rating by Dun & Bradstreet...
Jax Media Team, a Jacksonville SEO company, offers full SEO/SEM services for local and national businesses. We are experts when it comes to on-page optimization, social media, PPC, PR, mobile display, etc. Our clients get a full online marketing team and much more...
Empowering Your Journey Towards Digital Excellence.
At Codetru, we're dedicated to helping businesses of all sizes harness the power of technology to drive growth, improve efficiency, and enhance customer experiences by providing innovative software services...
We deliver high-impact, scalable solutions by turning complex systems into efficient, reliable platforms.
We help businesses cut through complexity and deliver software that performs, scales, and drives real results...
Designing Digital Success, One Creative Pixel at a Time.
We are your partner in digital success. We got your back, from creative logo, powerful websites, branding to digital marketing solutions. We help businesses elevate their online presence and help them connect with their audience effectively.
Let's create, expand, and grow together!...
Our team of expert software engineers leads our clients through the product development process, laying out clear expectations and goals to hasten the product's time to market...
CodingCops is an AI-native technology and engineering partner specializing in AI development, vetted engineering talent, Salesforce, product & software development, and cloud & DevOps...
Were (spark), a full-service production agency with speed, agility, and a collaborative spirit.
We help you craft compelling stories people want to hear and deliver them on the right channel, at the right time, to the right person. Getting your brand ready to act when that magic moment strikes that...
Build Grow Scale stands as a trusted leader in e-commerce conversion rate optimization (CRO) with over a decade of experience. Their innovative Revenue Optimization process focuses on enhancing the entire customer journey to maximize conversions, elevate average order value (AOV), and minimize cart...
Our PORTFOLIO INCLUDES marketplaces, e-commerce, workflow automations, AI assistants, corporate websites, banking apps, data warehouse initiatives, and more...
Sadja WebSolutions is a digital agency focused on creating custom websites, mobile apps and digital marketing to grow brands online. We help companies around the world increase their online presence and ROI through design, development and online marketing...
Globally Recognized Digital and Engineering Solutions Partner.
Named Best AI Company and Software Development Company by The Netty Awards, Opinov8 is a global technology firm with development hubs across the United States, Europe, and Egypt...
At Tecaudex, we architect custom digital solutions from lean MVPs to full-scale web and mobile apps that transform complex operational challenges into streamlined, growth-driving software...
Mageplaza is a top-rated e-commerce extension & solution provider on the Magento & Shopify platforms
We are here to make the world of e-commerce a better place with our knowledge, innovation & dedication.
At Mageplaza, we're not just another tech company. We're your dedicated partner in crafting amazing online shopping experiences...
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