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
83 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.
White Rabbit emerges as a prominent creative design agency based in LA, renowned for its team comprising highly skilled individuals dispersed globally. Leveraging diverse international perspectives and extensive creative backgrounds, our agency gains a distinct edge, allowing us to curate stunning designs...
Estes Media is a full-service, done-for-you B2B digital marketing agency. We handle everything from branding, SEO, content creation, and advertising to , web design, and social media managementso you can focus on running your business. Our transparent, goal-aligned approach ensures your digital presence...
TecSmiths is based in Liverpool, TecSmiths is a leading SEO agency dedicated to helping businesses across the UK boost their online visibility and achieve sustainable growth...
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...
Tabdelta is a global AI-driven software development company in New York USA delivering innovative digital solutions to startups, SMBs, and enterprises across New York and worldwide...
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...
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...
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...
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...
The Offshore Developers is a New York-based software development agency delivering high-quality, scalable code through expert offshore teams. We specialize in web and mobile development, custom software, and dedicated engineering teams. With US-based leadership, agile processes, and modern tech stacks, we...
We help businesses scale by combining AI, automation, and CRM expertise into done-for-you solutions. From lead capture and client nurturing to AI-powered voice agents and custom workflow design, Yotomations builds systems that give you back time, reduce costs, and drive measurable growth. Your business...
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...
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...
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...
DesignersX stands tall among the leading design and development platforms headquartered in Florida, United States. Catering to businesses of all sizes, the company specializes in web apps, mobile app development, e-commerce solutions, custom Java development, and internet marketing and design services. What...
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...
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...
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...
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...
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...
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...
AI-powered on-demand dev agency. We ship MVPs, custom software, and ERP implementations up to 5x faster than traditional agencies. We work with flat monthly subscriptions. All rates include senior devs, AI agents, full project visibility through our platform, Imajin. Plans start at $3,500/mo...
Bay Area Coders is a San Francisco-based product and engineering studio working with venture-backed startups and growth-stage companies since 2016. We combine strategy, design, engineering, and AI to help teams ship real products and modernize existing ones...
Top Mobile App and Software Development Company India
India app developer is a well known Mobile App Development Company for every application and software solution. We realise that a company manager needs to handle a company with diverse clients and market competition...
Creative Support For Your Business At an Affordable Cost.
MAG-RAW Creations is a Dallas-based creative studio specializing in innovative film production, design, and technology solutions. The studio excels in crafting high-quality video content and digital designs tailored to modern trends and client needs. With a focus on cutting-edge and traditional approaches...
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...
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