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
94 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.
vativeApps delivers custom and ready made mobile apps, from TikTok and Bigo Live clones to food delivery and dating solutions, backed by AI and full transparency...
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...
More than a digital storefront, we're a strategic digital solution partner with a decade-long experience. We help founders and entrepreneurs looking to design, develop and deploy digital solutions. When we founded ITL, we wanted to help businesses grow through technology that delivers real results. We are now...
PX Media is a full-service digital marketing and creative agency based in Pasadena, California. With 24 years of experience, the agency delivers tailored solutions across web design, SEO, PPC, branding, content marketing, and managed hosting. Known for its emphasis on transparency and results, PX Media...
Your One Stop, Website Design and Internet Marketing Partner
FDI Creative Services is Your One Stop, Website Design and Internet Marketing Resource. We have been providing web design and marketing solutions to companies around the globe since 1996. We offer creative and unique designs to each project we complete. No templates or canned websites here...
Driving Organic Growth Through SEO, Local SEO & AI Solutions
RankMeHi is a results-driven SEO and digital marketing agency helping businesses increase online visibility, generate qualified leads, and grow revenue. We specialize in Technical SEO, Local SEO, AI-powered marketing, content strategy, keyword research, link building, and conversion optimization. Our mission...
AppCrops is a next-gen technology partner delivering end-to-end digital solutions for startups and enterprises. From interactive user-friendly iOS, Android or Custom Mobile applications to Web apps, ERP systems and custom software, we help transform ideas into high-performing digital products...
Enovate LLC dba Enovate Solutions is a firm that specializes in the production of both software and media. offering comprehensive solutions for mobile, online, software, 3D, and Internet of Things technologies. We place a high priority on open and honest communication with our customers to ensure that we are...
Digital Marketing Agency in USA | Web Dev, Local SEO, SMM
Digital Growth Catalyze LLC is a leading digital marketing agency based in the USA, specializing in web development and SEO. We help businesses enhance their online presence, drive organic traffic, and dominate search rankings in the U.S. market...
At Postgripweb, we empower businesses to thrive in the digital age. Our expert team delivers innovative web solutions, seamless user experiences, and impactful online strategies that help your brand stand out and succeed...
Development of Software and Mobile Applications with Quality, Security and Agility.
Mestres da Web is a leading Brazilian software house with over 10 years of experience in custom software and mobile app development. Founded by professors from São Paulo College of Technology, it trains top engineers and delivers innovative solutions for major clients like Cacau Show, Movida, and...
Australia's leading & most awarded full service agency
Welcome is a full service agency delivering brand, strategy, social media, digital, marketing, content, technology & development, data solutions - 100% in-house & under one roof. Our award winning teams craft integrated solutions that drive growth, impact & measurable success. You are Welcome...
Web Design Vibe is a full-service digital agency specializing in custom website design, e-commerce solutions, branding, and SEO strategies that help businesses build a powerful online presence and drive measurable growth...
Pixelpulse Labs inc Web Master is home to innovative minds and solution finders committed to pushing the boundaries of what can be accomplished by assisting brands in attaining their objectives...
Colan Infotech is a CMMI Level 3 accredited IT services company specializing in custom software development, enterprise solutions, AI-driven applications, and digital transformation strategies. With over 15 years of industry expertise, we empower businesses with agile, scalable, and cost-effective solutions...
Hyperlocal Cloud is a leading software development company offering end-to-end web and mobile development solutions to startups, SMEs, and big enterprises...
BitCodeSolution boosts your business with super-smart software solutions, business marketing, making innovation and growth a breeze. Were not just any software folks, were here to customize services that fit your unique needs...
Elite Web Pro is a leading custom software development company in the USA with decades of experience in delivering perfectly aligned solutions to your business needs. Powered by the latest technology and tools, our experts will make sure your business runs 24/7 smoothly without any kind of disruption. Whether...
Digital Cyber Nation (DCN) is your one-stop solution for all things digital, offering services from logo design to advanced software development. We blend creativity, technology, and innovation to deliver customized solutions for businesses worldwide...
Nexila is a product design & development agency focused on building clear, scalable, and high-impact digital products for modern businesses. We partner with AI startups, SaaS companies, and growing teams to design and develop experiences!...
Branding, we development, and custom-built solutions based on strategy, UX design, and most importantly, your business goals. We have all the essentials to turn your idea into a solution that performs. Let's work together to build something worth talking about...
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...
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...
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...
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...
Welcome to The Omni Shot Your Trusted Partner in Web Development and Marketing! We specialize in cutting-edge Website Design, Ecommerce Solutions, SEO, and Search Marketing that drive results for your business. Discover why our clients love working with us by browsing our Customer Testimonials. Curious about...
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...
NXT LABS builds AI-powered solutions that simplify processes, automate workflows, and accelerate innovation. We help businesses unlock efficiency and make smarter decisions through custom, intelligent technology...
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...
Lets change your ideas into a catching reality! At Website Design 24/7 , we are not just providing top-notch digital solutions but making your brand unique in the crowd. Our team of professionals has the industry-wide experience to let your brand attract new audiences and boost awareness...
TConnectX Solutions is a technology development company offering custom web and mobile app development, branding and dedicated resource models. We provide innovative solutions using modern technologies such as AngularJS, Laravel, WordPress, Shopify and much more to build scalable and efficient applications...
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...
Elevate your online visibility and accelerate your business growth with SEM Revival LLC! We specialize in comprehensive digital marketing strategies customized to enhance your internet presence significantly. Our mission is to empower your brand with targeted solutions designed to maximize online visibility...
Bridging The Gap Between Affordable Talent And Global Opportunities
DivVerse LLC is a technology outsourcing and staff augmentation company located in the US. We specialize in fulfilling software development and AI talent from Africa, for startups and small-medium tech enabled organizations in the US looking to build affordable and highly efficient offshore teams...
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...
Most Affordable and Professional digital marketing agency
We at Battersea Web Expert offers online marketing solution worldwide. Which includes digital marketing, Web designing, content marketing, email marketing, PPC, and SEO Etc...
PROCEED is a full-service digital marketing agency focused on helping businesses push boundaries and achieve exceptional results. Specializing in 360-degree digital solutions, they offer services in website design, SEO optimization, social media management, and content creation...
At Siffrum, we don't just build technology we craft intelligent solutions that drive smarter, faster growth. As a full-stack IT and Software company with a dedicated Data Science wing, we blend innovation with strategy to deliver measurable results. From AI-powered analytics and custom software to scalable...
A professional Digital Marketing Agency with a dedicated focus on Pay-Per-Click (PPC) campaigns and website optimization. We excel at catalyzing Digital Success by crafting Compelling Content, Striking Visuals, and Interactive Interfaces, resulting in an unmatched level of Engagement and Growth...
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