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
1,186 Companies - Rankings updated: June 10, 2026
Each agency listed on DesignRush is assessed for industry expertise and customer testimonials are evaluated in order to provide you with a vetted selection. Certain listings represent paid partnerships.
Since 2013, we've delivered 300+ digital products across 17 countries, empowering brands like Porsche, Panasonic, Transparency International, Heinemann, CBRE, and dozens of ambitious startups and scaleups. [... see all Empat reviews ]
Award-Winning AR / VR / XR / AI / WebGl Experiences
Award-Winning AR / VR / XR / AI / WebGl Experiences
Groove Jones is an innovative technology company that specializes in creating AI/VR/AR software solutions for a wide range of industries, including advertising, entertainment, marketing, health, and training. [... see all Groove Jones reviews ]
TRIARE builds web and mobile apps for clients like MGM and Amazon, with a focus on transportation, education, and entertainment. Its team serves clients across the US, UK, and Germany. The software development firm is best for startups and SMBs needing a cost-effective offshore development partner. [... see all TRIARE reviews ]
ELEK+RIK: Web App Development, Mobile App Development for iOS & Android, AI Integration & Development Experts for Long-Term US Projects since 2010 [... see all ELEK+RIK reviews ]
One of the top custom software development firms in the country.
One of the top custom software development firms in the country.
Custom Software Lab is one of the top custom software development firms in the country serving small and medium sized businesses since 2001. We use 1000s of pre built modules to deliver cost effective solutions that generate quick ROI. [... see all Custom Software Lab reviews ]
Here at Mercury Development, we deliver precision-driven Software Development backed by 23 years of innovation and reliability. Our deep understanding of mobile, machine learning, IoT, and cloud-native architectures ensures unmatched results for startups and enterprises alike, trusted by Google, HSBC, and [... see all Mercury Development reviews ]
TDS Premier Web Design & Development Agency goes beyond traditional web design and development. We see each project as an opportunity to innovate and excel. With a strong focus on quality and creativity, we specialize in creating custom digital solutions to enhance user experience and strengthen. [... see all The Design Scratch reviews ]
Guiding and helping businesses worldwide build solutions that sell. Genetech is an award-winning custom software development company with almost 2 decades of experience in delivering top-notch tech services, including AI, IoT, Intelligent Apps, Cyber Security, and Tech Talent. [... see all Genetech Solutions reviews ]
EffectiveSoft is an AI-enabled product engineering company focused on digital products and enterprise systems. We combine software engineering, UX expertise, and AI capabilities to help companies build products that can adapt to changing requirements, integrations, and growth. [... see all EffectiveSoft reviews ]
Origami Studios gets its fame for developing high-performance, feature-packed mobile applications and custom softwares that deliver 5-star rating and ultimate user experience. We create applications that help you scale your business, gain traction, and become industry leaders. [... see all Origami Studios reviews ]
Custom Website Design Company. Local US-based team! We Preserve & Optimize your SEO in the Process
Custom Website Design Company. Local US-based team! We Preserve & Optimize your SEO in the Process
Services We Offer: Software, Web Applications. We have 15+ years of experience designing and developing websites and software from scratch. Our background and emphasis in behavior science allows us to creatively design websites and software systems to convert. Call us at: (916) 866-7893 for a quote! [... see all ESEOspace reviews ]
We produce dependable technology solutions while emphasizing team growth, continual innovation, and a sense of belonging. We offer value to your organization by creating new customer experiences without losing sight of the client. With the assistance of our team of professionals, we foster innovation by [... see all The App Master reviews ]
We build custom Software Solutions, Mobile Apps, Content Management Systems, Document Management Systems, Customer Relationship Management Systems (CRM), Enterprise Resource Planning (ERP), E-Commerce Software Development, Web Product Development, IT Consulting Services, Web Designing & Development. [... see all Hexagon IT Solutions reviews ]
Strategic Technology Partner for Custom Software & Mobile Development
Strategic Technology Partner for Custom Software & Mobile Development
Techstack is a strategic technology partner with 10+ years of expertise in mobile and custom software development. We build, scale, and evolve high-quality digital products through strong engineering culture, transparency, and long-term growth focus. [... see all Techstack Company reviews ]
Chimpare is a Global Leading Software Development Agency
Chimpare is a Global Leading Software Development Agency
We are a digital agency that provides end-to-end solutions to startups and enterprises alike, including Mobile App Development, Web Development, Software Development, AR/VR Development, Game Development and Blockchain Development Services. [... see all Chimpare Designs reviews ]
Dev.Pro is a software and smart contract development partner that allows innovative technology companies to amplify their growth ambitions and expedite time-to-market. [... see all Dev.Pro reviews ]
Proud 2024 Webby Award winner in the Responsible AI category and winner of the European Technology Awards for App Development in 2021. [... see all Wolfpack Digital reviews ]
With 25 years of experience, Shinetech provides high-quality software developers who deliver results that create real business value. By embedding skilled, full-time developers into client teams, Shinetech lets companies focus on growing their business while we ensure software is evolved reliably. [... see all Shinetech Software reviews ]
Empowering Your Digital Future with Innovative IT Solutions
Empowering Your Digital Future with Innovative IT Solutions
At Quantum IT Innovation, our team excels in AI, Big Data, RPA, and Mobile App Development for iOS, Android, and Cross-Platform. We also offer expert SEO, PPC, and Social Media services to drive your business forward in the USA, UK, Canada, Ireland, UAE, Australia, India, & across the globe. [... see all Quantum IT Innovation reviews ]
Pixlrabbit is a web design, branding, and marketing agency based in Atlanta, Georgia. We combine strategy and design to create effective brands and digital solutions. [... see all Pixlrabbit reviews ]
We build digital solutions that help brands boost visibility and double their growth within 12 - 18 months. [... see all American Web Builders reviews ]
Infograins Software Solutions Pvt. Ltd., established in 2013 by Ajay and Vipin Shukla, delivers innovative IT services, including blockchain solutions, mobile app development, custom software development, staff augmentation, and AI integration. Our dedicated team provides goal-oriented solutions. [... see all Infograins reviews ]
Dedicated Teams That Build Complex Software Systems
Dedicated Teams That Build Complex Software Systems
SiliconMint designs, develops, and supports mission-critical software systems. Based in San Francisco, SiliconMint has offices in New York and Europe to serve clients across the globe. [... see all SiliconMint reviews ]
Turning Digital Ideas into Powerful & Lucrative Realities
Turning Digital Ideas into Powerful & Lucrative Realities
Wezom offers web and mobile development services, providing solutions that address business challenges, meet market demands, enhance internal operations, and stay up-to-date with digital trends. [... see all Wezom reviews ]
Alltegrio specializes in Custom AI Solutions Development . Generative AI, Machine Learning, Computer Vision, AI Assistants Development, Natural Language Processing, OCR Data, Data Annotation all tailored to your unique business needs. [... see all Alltegrio reviews ]
KodersPedia is a Palo Alto, California-based mobile app development company specializing in end-to-end digital solutions. Founded in 2020, the company offers services including mobile app development, game app development, website development, and staff augmentation. KodersPedia caters to a diverse range of [... see all Koderspedia reviews ]
The fact that we prioritize our clients above everything else sets Futuristic Web Studios apart from the competition among advertising firms. We will question you about your design preferences and then create one-of-a-kind website designs based on your ideas as well as our own creativity. We will not ask you [... see all Futuristic Web Studios reviews ]
Revolutionizing Mobile Solutions with AI-Powered Innovation for Your Business
Revolutionizing Mobile Solutions with AI-Powered Innovation for Your Business
At Mobcoder, we help our clients realize the potential of rapidly evolving mobile technologies, from developing an app strategy to launching mobile applications. We have the expertise to take the app development plan through the mobile product design, development, testing and launch phases. [... see all Mobcoder reviews ]
Ntiva is a technology company that provides managed IT and security, cloud solutions, digital transformation, and advanced IT consulting. We support the midsized and enterprise markets, including manufacturing, construction, healthcare, financial services, real estate, and nonprofits. [... see all Ntiva reviews ]
With over 9+ years of experience and 1000+ happy clients, we commit ourselves to your growth. Our team of 85+ of digital marketing experts has delivered:1. 493.37% Increase In Conversions2. 140.91% Increase In Purchases3. 702.60% Increase In Conversion Value4. 180.50% Increase In New Users [... see all Webspero Solutions reviews ]
I am grateful that you took the time to visit! Because you are here, I may assume that you are searching for help with some aspect of software development, whether it is UI/UX design or mobile app development. You are at the appropriate location. Your unique requirements for digital company might become a [... see all Differenz System reviews ]
TekRevol is a globally recognized digital innovation company with 10 years of experience delivering high-impact mobile applications, AI-powered software, and scalable digital products. Every engagement begins with a clear roadmap, defined KPIs, and a commitment to measurable business outcomes. [... see all TekRevol reviews ]
Expert Samurais in Developing Secure Apps With Sensitive Data
Expert Samurais in Developing Secure Apps With Sensitive Data
We love innovation! With more than ten years of experience in app and custom dev solutions, we found that it all starts with a good idea. A powerful one, looking for a change in the behavior of people through creativity, teamwork, and perseverance. [... see all FOONKIE MONKEY reviews ]
Empowering Businesses with Custom App and Software Solutions
Empowering Businesses with Custom App and Software Solutions
iQlance is a leading web &mobile app development company with a strong presence in Dallas, USA. With extensive experience in crafting and deploying innovative mobile applications and software, we focus on creating customer-centric product designs that deliver seamless user experience. [... see all IQlance Solutions reviews ]
Bytes Technolab Inc. is dedicated to driving digital transformation for global enterprises as a trusted enterprise software development agency. Specialized knowledge positions us as industry leaders in AI, product engineering, and workflow automation. Visit our site to learn more. [... see all Bytes Technolab Inc. reviews ]
With over 10 years of expertise, AgileTech Vietnam stands at the forefront of delivering innovative technology solutions across a wide range of industries. Our team of 300+ skilled developers has completed more than 1,000 successful projects, ranging from dynamic startups to large-scale enterprises. [... see all AgileTech reviews ]
ScienceSoft USA Corporation, doing business as ScienceSoft, is an IT consulting and software development company with 36 years of experience. We deliver secure solutions for healthcare and financial services, as well as retail, manufacturing, telecom, and more. [... see all ScienceSoft reviews ]
Crafting visually stunning websites that captivate and convert
Crafting visually stunning websites that captivate and convert
Welcome to Web Design Glory, the one-stop shop for all your digital desires. We've got all the bells and whistles to help your business hit the ground running in the world of technology. We've got all the bases covered, from digital to monetization! Let's kick your online presence up a notch! [... see all Web Design Glory reviews ]
Innowise provides diverse services, including IT consulting, digital transformation, Java development, UI/UX design, and more. [... see all Innowise Group reviews ]
Optimal IT Solutions is your one-stop destination for cutting-edge digital services. We specialize in mobile and web app development, custom software solutions, stunning web design and development, engaging social media and digital marketing strategies, and high-quality video animation. Whether you're a [... see all Optimal IT Solutions reviews ]
Kodevent is a US-based software company providing top AI developers and custom solutions built with GPT-4, Claude, Gemini, and LLaMA. We deliver intelligent software to help you launch, grow, and accelerate your businessfocusing on clear communication and lasting partnerships. [... see all Kodevent reviews ]
Building Powerful B2B eCommerce and Custom Platforms for Leading Manufacturers & Distributors
Building Powerful B2B eCommerce and Custom Platforms for Leading Manufacturers & Distributors
Codup specializes in bespoke software development services designed to streamline complex B2B workflows. Our decades of experience enable superior outcomes in integrating ERP, CRM, and fulfillment systems, helping businesses modernize operations and boost digital revenue with tailored, efficient solutions. [... see all Codup reviews ]
Solving complex problems with design and technology since 2005.
Solving complex problems with design and technology since 2005.
We create digital products that streamline operations, grow your audience, and boost business success. Partnering with visionary brands, we transform ideas into impactful solutions using innovative design and technology. Discover how our Software Development expertise can elevate your next project. [... see all Infinum reviews ]
Since 1998, Lounge Lizard Brandtenders and Marketing Mixologists Have Created the Internets Best Websites & Digital Marketing Campaigns Yielding the Highest ROI. Ask about our 7 Second Rule! [... see all Lounge Lizard reviews ]
Your links to the world of I.T | Custom Software Development and Mobile App Development Experts
Your links to the world of I.T | Custom Software Development and Mobile App Development Experts
Linkitsoft is a leading provider of custom software solutions and mobile app development services. With a team of highly skilled professionals, we specialize in crafting innovative and cutting-edge solutions tailored to meet the unique needs of our clients. Experience to deliver exceptional results. [... see all LinkitSoft reviews ]
A passionate team driven by technology in Biotech, Cloud, Data & AI. From design to development and support to management, Veraqor offers decades of experience, proven frameworks, and a disciplined approach to rapidly deliver reliable, quality solutions that help you go to market faster and get a leg up on [... see all Veraqor reviews ]
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
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