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
313 Companies-Rankings updated: September 03, 2026
Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.
Custom Software Designed To Accelerate Your Growth
We design and build modern websites and custom software that help businesses stand out, improve efficiency, and turn ideas into real, measurable results...
We at 5Fusion Tech LLC, develop your best websites, software's and social media marketing and guide you throughout the process to facilitate your business and make it easy for your to other aspects of your business...
Tech.us is an AI software solutions company that provides AI development, mobile applications, cloud consulting, and IT services. We focus on creating secure, scalable, and innovative technologies that support businesses in their digital journey...
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...
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...
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...
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...
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...
UMANG means Enthusiasm; Enthusiasm is what drives the mankind!
Umang has been working with some of the elite organization across the globe to develop and maintain their existing legacy applications. They are experts in developing custom software/Mobile/Web applications.
Umang has expertise in Delphi, Java, PHP, Python, DotNet and 20+ other technologies and has domain...
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...
Techsavvy Studios is a Creative and Digital Agency elevating brands through expertly designed websites, strategic digital marketing, and impactful branding...
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...
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...
Tenebris Design crafts bold, modern websites that blend creativity with functionality. We specialize in redesigns, development, and digital strategies that help brands grow online. Our mission is to deliver stunning design with measurable impact...
Software Solution LA is a Phoenix-based digital agency delivering custom software, web and app development, SEO, and creative design services. Since 2007, we've helped startups and enterprises innovate, grow, and strengthen their brand with affordable, tailored solutions...
Logo Design Valley is a full-service branding studio that helps fresh ventures show up with the obvious-winner look which first-time founders and early businesses need on launch...
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...
Acetech Digital creates stunning websites and digital experiences that drive growth. From web design to SEO, branding, and marketing, we help businesses thrive online...
We turn service company expertise into assets that generate demand.
Animus Digital is a Tulsa-based creative agency for B2B, industrial, Oil and Gas, and Manufacturing companies. We build websites, run SEO, and produce content that turns hard-won expertise into a steady pipeline of qualified demand...
#1 Reliable Digital Agency.
The world's most efficient digital marketing agency, providing a wide range of exclusive services.
Tafol Technologies is ranked as one of the best digital marketing agencies in Asia...
Progneo helps businesses grow worldwide with top-notch software solutions. As leaders in the industry, we focus on making our clients happy by excelling in web development, mobile app development, SAAS, SAP, UI/UX design, and SEO services. Our skilled solutions, using the latest technologies like AI, Web3...
Hybrid IT Services, Inc. is a leading technology firm that offers a blend of cloud and on-premise IT solutions tailored to meet the diverse needs of modern businesses. Specializing in creating robust, scalable IT infrastructures, the company ensures enhanced data security, improved operational efficiency, and...
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...
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...
Next Level Digitals is a design agency that crafts compelling brands, user-friendly websites and engaging UI/UX. We help startups and enterprises elevate their digital presence with fast, stress-free design, unlimited revisions, and a strong focus on emotional brand connection...
AI Search Optimization for ChatGPT, Claude, Perplexity & Google AI. Rise Peak Digital specializes in AISEO, AI Overviews, and content marketing that wins in the age of AI search. We're not just an SEO agency. We're a team of strategists obsessed with making sure your brand gets discovered, cited, and...
DesireInfoWeb is a Microsoft-focused consulting and technology services company that helps organizations improve productivity, collaboration, and digital transformation through AI and Microsoft 365 solutions...
Turning Business Ambition Into AI-Powered Advantage
DITS is a business consulting and AI transformation company helping startups, SMEs, and enterprises modernize operations, adopt AI, build scalable digital products, and accelerate growth through strategy, engineering, cloud, automation, and global delivery expertise across global markets...
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...
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...
Long Drive Marketing is a full-service digital marketing agency and division of Long Drive Group. We build marketing engines for businesses, nonprofits, and motorsports organizations across the U.S. from four offices in Nashville, Franklin, Washington DC, and Cheyenne. Our team delivers strategy consulting...
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...
Since 2014, Adweb Studio has delivered creative web design and development solutions for startups, SMEs, and enterprises. We craft high-performance websites and digital experiences that engage, convert, and drive growth through innovation, strategy, and design excellence...
Pronova Designs delivers customized, cutting-edge digital solutions that seamlessly blend innovation, design, and data-driven strategy. Our meticulous approach ensures your real-world goals are kept in focus at every step. We equip you to thrive in the digital landscape and achieve remarkable business growth...
Your Strategic Digital Partner For Ultimate Success
We're helping Houston, TX businesses with website design & development, white hat SEO, social media marketing, PPC, and 360-degree full-service digital marketing...
Fast Hippo Media is a full service digital marketing agency in Dallas, Frisco, Colorado Springs, and Plano providing web design along with SEO, SEM, Social Media Marketing and more. Success online is dependent on so much more than just web design...
Bluelinks Agency is a specialist digital marketing partner that helps brands rank higher in search, protect their online reputation. Doing SEO, digital PR and press release, online reputation management, personal branding, automation with n8n and Make.com, and WordPress website development...
Brndry is a full service strategic branding and digital growth agency delivering end-to-end creative, marketing and development solutions. From crafting distinctive brand identities and intuitive digital experiences to executing performance-driven marketing campaigns. Brndry partners with businesses across...
Techy Toes is an SEO, paid media and web design agency in St. Petersburg, FL, working with clients nationwide. We build search and advertising programmes for businesses that need traffic, leads and revenue they can trace not rankings screenshots...
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